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A Video by Grin Technologies

A Video by Grin Technologies

A Video by Grin Technologies


Grin Operations Update

March 27, 2020 3:26:09 PM PDT

As the situation with COVID-19 unfolds, we are adapting in order to provide high quality ebike conversion components and ebike accessories, while keeping our entire crew safe and employed.

Sales and Support

At the moment our sales and support staff are working exclusively from home and are not at the Grin facility. While we always prefer email communication whenever possible, we have setup a remote system to allow the sales team to call back those of you who are unable to email and leave us a phone message instead.

Local Pickup

Although the storefront is fully closed, our shipping department is still allowing local order pickups for the time being. Local orders need to be placed and paid online first, and then we will notify by email when the package is ready for scheduling an appropriate collection time. This is strictly a package pickup service, we will not have the ability to modify the orders or provide any sales assistance you may be used to. 

RMA Processing

We will continue to do our best at providing all the troubleshooting and warranty support to keep your ebike setups up and running; there is no better way to stay fresh and healthy during this time and the roads have never been less congested. However we cannot process any in-person visits to the shop, and our turn-around time for items that need repair work is currently much longer than normal given the remote work situation. We will address each situation on a case-by-case basis to sort an appropriate resolution given the circumstances.

Posted By Robbie Campbell

Business during Covid-19

March 16, 2020 8:49:00 AM PDT

Needless to say this past week saw a very rapid change in the ground situation for Covid-19 response around the world, and we're in full support of all the preventative measures being taken to reduce the foothold that it gains here.


What we are doing

We are going to try and keep Grin's online business fully operational to continue delivering ebike conversion parts around the world, but many of our staff will be working from home and we will be keeping the number of people at our shop to a minimum. For the time being:

1) No more visit appointments

We will cease doing in-person consultations at our shop. We will only be allowing visits from people who have pre-paid orders that are ready for pickup, and we'll have your items in a box by the front door when you've been notified that the order is ready. Updated to reflect our latest procedures 

2) Reduced Phone Availability

We will try to have one person available for phone support down from our normal 3 lines, which means we ask you to leave that phone line open for those who strictly need it and cannot use email due to vision or technical issues. Otherwise all correspondence (sales questions, technical questions, order updates, troubleshooting/support) will be directed over email.


We thank you for your understanding on these two points and hope that people are doing well and staying healthy. All health concerns aside, for those not affected a short-term pause in all the long distance travel, commuting, and big events may end up being good for the soul and for general perspective. Stay positive, go for bike rides, fix things up around the house, our busy lives can use the occasional reset.

Posted By Justin Lemire-Elmore

A Few Product Delays

March 6, 2020 4:10:03 PM PST

As many people are well aware the spread of Covid19 has disrupted the supply chain of goods originating in China. Fortunately most of our inventory and stock was well secured before this but we have had setbacks in 3 product lines:

1) Phaserunner

The PCB assemblies for the Phaserunner devices are not expected now until the end of this month, and we will not be taking back-orders until those parts are on hand. For many users the newer Baserunner_L10 model is an excellent substitute for those who do not require 72V operation, and we have that in good supply

2) Inexpensive Chargers:

Our cheaper 2A and 3A charger models with the ST3 port are entirely out of stock leaving us without a budget charger option to pair with our downtube batteries. Until these are back in stock (eta mid-march), we are offering the Satiator Upgrade on a kit or battery at 50% off the normal price to split the difference. Please note that this discount only applies with a battery or ready-to-roll kit purchase that includes a Satiator, and not on the charger by itself.

Get Satiator instead of Generic Charger for just $150 USD

3) Standard LiGo Batteries:

The assembly of our next batch of LiGo BMS circuitboards got seriously delayed as well, and full production might not be possible until early April. We have a limited supply of LiGo's available for backorder purchase being made from rework of existing inventory, while the new higher power LiGo+ modules are available in good supply.

Posted By Justin Lemire-Elmore

This is a reminder that we are once again attending the BC Bike Show with a full booth showcasing many of our kit and conversion products. If you want an opportunity to talk about retrofit options that would suite your needs and see the systems firsthand then please come by. It's a great event with many players in the local cycling and outdoors scene all under one roof. We're at location B207.

Floor Plan of 2020 BC Bike Show Robbie at Grin's Booth

At the show we'll be giving two presentations on solar bicycle touring and screening the short film of our 2018 Suntrip ride. The premier showing at the Mountain Film Festival was very well received and we're glad to have another opportunity to present this to a public audience, and to answer any questions about solar powered ebikes. Check us out at the Cycle Stage.

  • Saturday Feb 29th at 12:30pm
  • Sunday  March 1st  at 3:00pm
Posted By Justin Lemire-Elmore

Introducing our New Sales Crew

February 26, 2020 12:27:56 PM PST

We are happy to introduce four new people who joined Grin recently to help us out in our sales and customer support department. Bob, Laurel, and Nicole all started at the beginning of the month and have been doing an amazing job learning all the ins and outs of this operation, while our good friend Eliza's been guiding the process since coming on board last fall.

 Say hi to your new front-end crew

This expanded sales team will help us deliver fast response and excellent customer service as this business keeps getting busier and busier, and we appreciate your support and occasional patience as the new staff get fully trained up.

You can see that our front of shop renovations have been moving along as we accommodate this larger team and prepare ourselves for what is sure to be a busy summer. For now however, we will continue to be a by-appointment operation. If you do need to visit Grin in person, please remember to call or email in advance to book a time slot, Tue-Fri 11am - 6pm, instead of showing up unannounced.

Posted By Justin Lemire-Elmore

Grin's 2020 Batteries Update

February 23, 2020 1:58:24 AM PST

Our Grin battery lineup keeps growing and the latest shipment includes high capacity downtube batteries in the new Reention DP-9C 84 cell enclosure. These large packs provide over a kilowatt-hour of capacity in convenient frame mounted casing, ideal for long distance trekkers.

 New Reention Battery Enclosures

We have both a 36V 26.5Ah and a 52V 20Ah model in stock and ready to ship. We've also got a smaller 48V 16.5Ah Reention battery model for smaller range requirements. These 3 new models are all Baserunner compatible for slick conversions and are available with our Ready-to-Roll kit bundles

72V are Shipping

Last year we expanded our 72V pack offerings to include a 9.5Ah model using Panasonic 21700A cell, but they were for local customers only as we lacked the paperwork and certification to ship them. Well that has been sorted out and these 72V downtube battery packs are now available to be delivered around the world. These packs provide a very convenient approach to doing high speed EV builds without the complications of series connecting 36V batteries or dealing with sketchy pack construction.

LiGo+, Higher Power

We're also putting on the final touches for a new LiGo+ battery module that uses the high power Samsung 30Q cells. These new LiGo+ packs can sustain higher continuous discharge currents (15A vs 10A) and charge currents than our standard LiGo, making them ideal for very lightweight EV builds that are running just 2 or 3 of these modules. For large packs (4 or more in parallel) the standard LiGo batteries are still perfectly suited and the most economical, but for more ultra light systems the LiGo+ packs are just the ticket. .

Posted By Justin Lemire-Elmore

VIMFF - Feb 26th

3 Wheels Movie PosterWe're thrilled to report that the Vancouver International Mountain Film Festival (VIMFF) has selected our short film "3 Wheels Under the Sun" for their upcoming show. This tells the full story of our 2018 Suntrip race and will hit the big screens on Feb 26th at the Rio Theater along with presentations from other long distance bike tours . We welcome anyone in Vancouver with an interest in bike adventures to get tickets now. If you're into the outdoors be sure to check out the many other great shows during the 10 day festival.


BC Bike Show - Feb 29th / Mar 1st

We'll also have a screening the following weekend at the BC Bike Show on Feb 29th at 12:30pm, and March 1st at 3pm. This will be a more intimate environment that will allow discussions about the logistics of solar ebike touring and a Q&A session afterwords. If you are interested to hear more details about solar powered ebikes or have some burning questions then please come out. There are plenty of reasons already to check out the BC Bike Show and hopefully this adds one more to your list!

Posted By Justin Lemire-Elmore

Anderson Inventory Motor Clearout

February 8, 2020 12:42:18 AM PST

As we move fully to the L10 motor connector standard for medium to high power kits, we've decided to slash prices on all our remaining motor and controller inventory that use the Powerpole standard. This is your chance to get a great deal on high performance kits at 30-40% off the regular price, and it includes all of our eZee kits and the prelaced Crystalyte UFO kits.

 Clearance Motor Kits with Anderson Plugs

The motor Anderson and JST plugs and standard has served us well for over 10 years, but we're trying to reduce the overlap as our upcoming eZee and Crystalyte orders will all be with the overmolded L1019 connectors.

Posted By Justin Lemire-Elmore

Merry Christmas Grinners

December 25, 2019 4:44:50 PM PST

We hope everyone out there who celebrates is having a great Christmas holiday.

Wishing you all a great Christmas from our staff and a few +1's

It may not be peak ebike riding season but it can sure be prime building season! We're wrapping up several months of serious work behind the scenes at our shop and are glad to announce a few things as the year comes to a close.

RTR Kits

First and foremost, we've expanded our selection of Ready-to-Roll kit bundles based around the new Baserunner controller series. Including many high power hub systems now that we have the Baserunner_L10 in full production which supports 80A peak phase currents. Check the video below.

A Video by Grin Technologies

All Axle Fun

These motors are in full production at our factory/shopWe're also happy that report that our Grin All Axle hub motor is out of the Beta testing phase and in full release with an updated V2 model. We want to thank all those pilot users from the past several years as we worked out all the kinds, and all those single side trike pioneers who helped us develop a series of adapters for so many trike models. (and yeah, it goes without saying that we are working on a rear version next)


Some of the new stuff recently added to our shopThere are more end-of-the-year product treats too. We've got motor options for the 190mm fatbike frames, super secure double and triple bobs coming off our CNC mill for mounting downtube batteries, wheelbarrow and scooter motors for non-ebike conversions, and a few more 72V and 36V battery choices too.


Reading documents

With a wider audience of first timers getting into ebikes as the movement spreads, we also thought it was about time to publish some more entry-level information for people those just getting started.

  1. Don't know the difference between a torque arm and a mosfet? Here is a basic primer on all the components that make up an ebike conversion system.
  2. Not sure what hub motor options would be compatible with your bike build? We've written a thorough compatibility list for all the different styles of bikes and trikes and what does and doesn't work. 
Posted By Justin Lemire-Elmore

Drop-In Store Closed for Renovation

September 9, 2019 6:03:03 AM PDT

Well it's been another huge and busy summer, and now that it's mostly wrapping up we're planning to spend the next several months on some deep reorganization and renovation of our shop space. During this time we will operate in business-as-usual for all our online orders and email tech support. However, the storefront will be closed to casual walk-in visits except by appointment only, and our phone may unresponsive for long stretches of times too.

This is what our last big round of Renovation looked like.

These updates to our facility will allow us to grow and operate more efficiently in the years ahead, and we thank you for your patience during the process. 

For local customers wanting to purchase items, the process will involve placing the order online first and then coming by to pickup the order after you've been notified that the items are ready to collect. 

Posted By Justin Lemire-Elmore

Rear Thru-Axle Motors

September 5, 2019 4:49:00 AM PDT

In our quest to make hub motors keep up with changing frame standards, we've just released a custom version of the Crystalyte 'H' series UFO motor that is compatible with rear thru axle bike frames. We have the rear H3540 and H3525 motors in a 142x12 standard, and a wider H4040 motor available for the 148x12 boost size. 

These motors have an integrated torque arm and we've designed a special CNC machined aluminum frame clamp that provides a versatile means to secure the arm against rotation. They open up electrification options for new bike frames that have adopted the thru-axle hub standard, using the rugged and time proven Crystalyte motor series. 

They are using the L1019 plug standard and are available as part of a complete kit package as well.

Posted By Justin Lemire-Elmore

Electrafest, This Saturday Aug 24th

August 21, 2019 10:07:05 AM PDT

Our final event to attend this summer is the annual VEVA Electrafest show, happening this Saturday from 10am to 6pm at the Vancouver Roundhouse. This show dedicated to all electric vehicles has been going on annually for several decades and is really taking off now that EV's are finally coming of age.

Picture from Electrafest 2017

We'll be there with an outdoors booth and a number of interesting ebike conversions available to test ride, ready to chat and answer any questions. 

Posted By Justin Lemire-Elmore

Cargo Bike Carnival - Sat Aug 10th

August 5, 2019 11:52:48 AM PDT

AnSo and Andina over lions gate bridge on a happy cargo bike adventure.

We're hoping this everyone is out having a wonderful BC day long weekend right now. Next weekend, on Aug 10th, our friends at the Sidesaddle Bike Shop are organizing a small cargo bike festival from 10am - 3pm. This could be a fun meetup for those in the city with cargo bikes to hang out, and a great opportunity for those considering getting one take some test rides and talk with firsthand users about their experiences. We'll be there with some from our own fleet of ebikes optimized both stuff and passenger hauling for people to try, and will be happy to answer any electrification questions that come up.

Posted By Justin Lemire-Elmore

Hiring Season

July 31, 2019 2:39:18 PM PDT

If you've visited our shop this summer you've likely noticed that things can be really really busy. It's a wonderful problem to face and in order to help us maintain our high standards of customer support and product support need more people working at Grin!

We're looking to bring on up to 5 or 6 new recruits in the areas of manufacturing, packing/shipping, accounting/bookeeping, and sales/support. If you are already living in the Vancouver area and see yourself or someone you know fitting in with our culture and mission, please get in touch with us by email. There's a brief description of what we are looking for in the jobs/careers page.

Posted By Justin Lemire-Elmore

Summer Sales

July 29, 2019 9:42:46 AM PDT

We're in the midsts of inventory suffling right now especially as we transition over to the new L1019 connector standard, and that means a lot of savings and discounts with the remaining Anderson inventory:

MXUS Motor Sale

Now that we have the 9C RH212 direct drive motors in full stock, they'll become our new standard budget direct drive hub, and the remaining MXUS cassette motors are all 25% off. Same with our remaining 9C+ front motors.

eZee Kits:

We've also put a 15-18% sale on all the eZee hub motor kits in anticipation of having an L10 connectorized version of these later in the fall, so now is a fantastic time to get one of these venerable high torque geared motor systems at a discount. 


We're also retiring the classic Stokemonkey kit as we move to focus entirely on hub motor drives, and have our remaining inventory at 50% off and more. If you're looking for a real classic drive system for a cargo bike this could be your chance for bargain shopping.


New 21700 Battery Options

New 21700 Downtube Battery CasingPlus, we've recently expanded our downtube battery selection to include batteries based on the Panasonic NCR21700A cells. These are the same cells used in Tesla vehicles that became available at an unusual discount due to US/China trade issues and so we were able to bring them in and have them on sale in one go. There's a 36V 14.5 Ah, 36V 19.5Ah, and 52V 14.5Ah options, with a new enclosure standard that has an on/off switch, mini 3-pin ST charging port, and Baserunner controller compatibility.


Fatbike Rims Too

20", 24" and 26" DHL65 RimsWe also just received a shipment of the DHL65 rims from Weinmann to further support fatbike and large tire ebike conversions. Unlike most fatbike rims that have excessive left-right spoke stagger rendering them difficult to use with hub motor wheelbuilds, the DHL65 has holes drilled near enough to the centerline that even hub motors with narrow flange spacing can be laced successfully. These rims work well for tires ranging from 3" up to 4.5" in width and are stocked in 20" 24" and 26" diameters with both 32 hole and 36 hole drilling options. Available directly from our Rims catalog or as an option on any kit with a custom wheel build. 

Posted By Justin Lemire-Elmore

Grinning with a GMAC

July 13, 2019 4:46:00 AM PDT

Thanks in part to an unexpected article by the ebike champion and educator Micah Toll, we've found found ourselves being flooded with interest in our new GMAC Hub Motor series. Well we're glad to say that after 2 years of development testing and design iterations, the goals we set out to achieve in partnership with MAC motors for have been fully realized. It's time to properly introduce the GMAC motor now in full production:

A Video by Grin Technologies

A powerful regen-capable geared motor, with integrated torque arm, round axle, side cable exit, cassette freehub, and no clutch. Enjoy!

Posted By Justin Lemire-Elmore

Happy Canada Day

July 1, 2019 3:35:41 PM PDT

We hope all of our northern customers have been having a great Canada Day long weekend. If you've gone on an ebike powered camping expedition then send us your celebration pics!

For the next week we have a flat 15.2% discount on all our flagship made-in-Canada items (Phaserunner, Grin All Axle motor, LiGo batteries, dc-dc converters etc). Simply use the coupon code "Canada152" at the checkout.

Just a note to everyone that Justin and Anne-Sophie are now back from a 6-week leave after bringing a little baby girl into this world. Her name Andina was inspired from AnSo's unicycle trip across the Andes, and it's going to be a delight for us to join all the other young families who've been raising a kid from the seat of a cargo bike rather than the backseat of a car.

 She's definitely a keeper

Anyways if there's been a lack of updates on the site that is why, and we want to thank all the staff at Grin who've been keeping things running and flowing during this very busy time of year. More good stuff (videos, new products, web updates, clearance sales) coming soon.

Posted By Justin Lemire-Elmore

Single Sided All-Axle and the Spezi Show

April 20, 2019 12:41:38 AM PDT

A trade show we've been dying to attend one of these days is the Spezi bike show happening next weekend (April 27-28) in Germany. This is where all the oddball, unusual, and otherwise special bikes get showcased, and if anyone's been keen on electrifying wheeled oddities it's us!. 

While we won't be there in person, a number of vehicles will be at the show featuring the new Grin products like the GMAC Hub Motors, RH212 direct drive motors, All Axle hubs, and the Baserunner and Phaserunner_L10 controllers.  If you're lucky enough to attend then check out Booth A.18 and Booth 3.12 for some velomobiles and cargo vehicles running this gear.  

The timing is also great for us to formally announce an updated 2019 version of the Grin All Axle motor suitable for these single side applications, as explained in this new video below.

A Video by Grin Technologies

Posted By Justin Lemire-Elmore

First off we want to apologize for the longer than normal response time and email backlog as much of our team was busy both in the preparation and attendance at the Taipei Cycle Show this past week. We'll be working hard to catch up on that in the coming days and thank your patience and understanding. To all the dealers, vendors, manufacturers, component partners, and general industry friends we met at the show, what a great time and we look forward to exciting pursuits ahead. 

 Grin Booth at 2019 Taipei Cycle ShowStatorade Motor Demo at Booth

GMAC Motors

GMAC locked clutch geared hub motorOne of the items we demonstrated at the show is the new GMAC motor series. This is a powerful clutchless geared hub motor developed over the past 2 years in partnership with MAC motors, using a custom axle with an integrated splined torque arm. Imagine a MAC motor with perfect frame fit for modern bicycles, zero torque transmission on the dropouts, and phenomenal regenerative braking control.

You can learn more about the development and axle testing process on this endless-sphere thread. Our ambition is to make this splined axle design into a new standard that we deploy across our entire higher power motor lines to replace axle flats. If you're as excited as us and want to jump right into ordering, we have the first production shipment on hand available in bare motors and complete kits.


L10 Connector

L1019 Connector with PinoutOne thing you'll notice about this GMAC motor is that we are using the 10 pin waterproof locking motor plug. Over the course of the year we will be switching to this connector standard for all of our medium and high power hub motors, replacing the Anderson and JST-SM's that we had standardized on previously.

Our hope is that this plug will become to motors in the 500-1500 watt power range what the 9pin Z910 became for the low power geared motors, with all motor manufacturers agreeing to the same pinout standard for easy swapping and interchangeability . We have an L10 version of the Phaserunner motor controller available now and will soon be expanding this to a Grinfineon offering as well.


More L10 Motors

There are two additional motors in our lineup already using this locking connector. The first is a new rear cassette motor from Nine Continent, which has better disk rotor clearance and axle alignment than the MXUS hubs. Our first batch of these has sold out but the larger sea order is expected later in April.

The second is an updated variant of our Grin All Axle motor where we've got the cable exiting on the disk side of the motor for single side applications. If you've got a catrike and are looking for powerful dual motor drive like the one here, please give us a shout.

Catrike electrified with dual Grin All Axle Hub MotorsCatrike electrified with dual Grin All Axle Hub Motors

72V Batteries and 21700 Cells

72V Downtube Battery with Samsung 40T 21700 Cells We've also released our first native 72V battery pack in a conventional downtube battery casing, assembled using the high power Samsung 27100 40T cells so that even with the small 8Ah capacity it is able to deliver 40-50A continuous currents. This is an ideal battery for fast and sporty offroad ebike builds, allowing powerful performance without the weight or complexity of most 72V setups (either two 36V packs in series or a large triangle frame battery).

At the moment this battery is in stock but for local pickup orders only as we are going through the certification testing required for shipping. We've been keeping the 21700 cell offerings on our radar as they start to catch up with the performance specs of the more mature 18650 series and this year it looks like they are finally making the grade. Expect more from us as the year goes on. 

Inbound Shipments

Boxes of Crystalyte on Shop FloorOur multiple-delayed Crystalyte sea shipment has also arrived this last week after being held up by customs inspections, and all the Crystalte 'H'motors are back in stock again. A lot of you have been waiting for some time for these and the wait is finally over. 


General Kits Intro

Here is the other presentation from the BC Bike Show earlier this month. It was a basic primer for people to learn about ebike conversion options before we went on to do a live install of a conversion kit. 

A Video by Grin Technologies

Posted By Justin Lemire-Elmore

Show Presentations

March 11, 2019 5:04:15 AM PDT

This is a virtual hello to all the people who came by our booth last weekend at the BC Bike Show and are just now visiting our webpage for the first time. We had a great time and were delighted to see how much this event has grown recently. (And to those who lament that the bike show is now totally taken over by ebikes, well it's been over 15 years now that we've been trying to tell you all this day was coming!)

For those who missed seeing it live, we've also uploaded a youtube video of our live demonstration of a regular bike being converted over to electric assist. We hope that this helps demystify the process for some considering their first kit purchase. It was a fun opportunity as the owner of the bike was at the show and could ride it away the next day.

A Video by Grin Technologies

The video of our earlier presentation on how to navigate various ebike conversion options should be ready to upload later this week.

Kit vs TurnKey ebikeWith so many turn-key ebikes on display at shows like this, it's pretty common for people to ask why would they bother to retrofit a normal bike when they can just buy an electric bike that is ready to roll? It's a fair question and we decided to answer that with an in depth pamphlet that we also made available on our webpage here.

Active Transportation Survey

Unrelated to the show but also of local interest. The BC government is soliciting input on what is meant by "active transportation" which could hopefully help to direct policy and regulation governing not just ebikes but all kinds of human scaled transport. If you think electric skateboards should be on their radar or faster S-Pedalec class ebikes then this is a chance to have your voice heard. Electric bicycles have been an entirely grass roots phenomenon for most of their trajectory and it's encouraging to see the entire scope of personal mobility finally being acknowledged and discussed at this level.



Posted By Justin Lemire-Elmore
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