Availability: In stock


Quick Overview

TDCM Direct Drive with Internal Gear Hub - Unlaced. 30mm stator, Fast 395rpm winding, 5 Speed Sturney Archer Pedal Hub with Shifter. 1/8" Chain 18T Sprocket. 4-bolt Rohloff disc mount.

TDCM Internal Gear Hub with 5 speed Sturney Archer Shifter

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TDCM Internally Geared Hub - 30mm stator, unlaced, fast 395rpm winding for 20" wheels. Internal 5Spd Sturmey Archer gear hub, disc brake compatible with 4 bolt Rohloff disc rotors, compatible with Statorade in for maximum thermal performance. Requires 1/8" Chain and is best with slotted horizontal dropouts. Does not use work with conventional torque arms and supplied anti-rotation plate can be difficult to engage in shallow vertical dropouts.
Actual Weight (kg) 6.54
Country of Manufacture Taiwan
Manufacturer TDCM
Motor Type Direct Drive
Motor Power Range (Watts) 500-1000
Motor KV (RPM / V) 11.5
Phase Resistance (Ohm) 0.163
Disk Brake Compatible Yes
Axle Length (O.L.D.) 135
Nominal Wheel Size Unlaced
Flange Spoke Diameter (mm) 210
Magnetic Pole Pairs 16
Hysteresis Losses (N-m) 0.78
Eddie Losses (N-m / rad/sec) 0.006
Internal Sturney Archer C50 Gear Ratios:
1st Gear = 0.64
2nd Gear = 0.80
3rd Gear = 1.00
4th Gear = 1.25
5th Gear = 1.56

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