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Quick Overview

TDCM Direct Drive with Internal Gear Hub - Unlaced. 30mm stator, 305rpm 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, 305rpm winding. Internal 5Spd Sturmey Archer gear hub, disc brake compatible with 4 bolt Rohloff disc rotors, compatible with Statorade in Hub for maximum thermal performance. Requires 1/8" Chain and is best with slotted horizontal dropouts. Does not work with conventional torque arms and supplied anti-rotation plate can be difficult to engage in vertical dropouts.
Actual Weight (kg) 6.54
Country of Manufacture Taiwan
Manufacturer TDCM
Motor Power Range (Watts) 500-1000
Motor KV (RPM / V) 8.9
Phase Resistance (Ohm) 0.233
Disk Brake Compatible Yes
Axle Length (O.L.D.) 135
Spoke Holes 36 Hole
Nominal Wheel Size Unlaced
Motor Type Direct Drive
Flange Spoke Diameter (mm) 210
Magnetic Pole Pairs (Phaserunner) 16
Speedo Poles (for CA) 16
Hysteresis Losses (N-m) 0.78
Eddie Losses (N-m / rad/sec) 0.006
Motor Inductance (H) .0008

TDCM IGH Motor Installation Manual

TDCM IGH Sturney Archer Hub Shifter Installaion

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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