FSA CK-746-2 ISIS E-Bike Crankset

FSA crank arm set compatible with Brose, Fazua, Yamaha, and Polini engines.

Features

• Forged AL6061/T6 crank arms
• ISIS drive
• 2-Tone, laser graphics

Specifications

• Bottom Bracket Diameter: 21.5mm
• Material: Forged AL6061/T6
• Weight: 477g

Sizing

Motor, Q-Factor, Clearance;

Bosch G4 (ISIS): 175mm, 147mm

Brose MAG (ISIS): 189mm, 161mm

Yamaha PW-X2 (ISIS): 166mm, 138mm

Fazua (ISIS): 174mm, 146mm

Nidec (ISIS): 183mm, 155mm

Polini 137 (ISIS): 176mm, 148mm

Polini 144 (ISIS): 183mm, 155mm

SACHS (ISIS): 174mm, 146mm

Q-Factor is the distance between the outsides of the crank arms.
Clearance is the distance between the insides of the crank arms. Please make sure the clearance is wider than the
width of your bike’s chainstays.

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