These cold forged alloy crank arms have a new shape for greater rigidity and improved compatibility. Compatible with many E-Bike motors using ISIS spindles such as Bosch, Yamaha, Brose, Fazua and Specialised ISIS.

These cranks do NOT install on Bosch "Micro-ISIS" or "Square Taper" spindle motors

Who's this item for? Ebike riders with a motor with an ISIS spindle.

Spindle Size: ISIS

Weight: 485g.

Chainring: No chainring included.

Crank Arm Length: 160, 165 & 170mm.

Materials: Solid Aluminium forged arms.

Compatibility:

• Check your motor spindle type. These cranks are made for "ISIS" spindle motors. They install on Bosch, Yamaha, Brose, Fazua motors and a few other brand motors with ISIS Spindles.
• These cranks do NOT install on Bosch "Micro-ISIS" or "Square Taper" spindle motors.
• Specialized: Standard Levo/Kenevo/Como/Vado have an ISIS spindle. The "SL" Levo or Creo family use the M30/SL eCrank armsets.

Q factor: All eBike motors have different width spindles and this directly affects the Q factor when the crank is installed. These are the Q factors when you install this crank on these motors :

• 170mm Q: Giant/Yamaha spindle motor
• 180mm Q: BOSCH spindle motor
• 182mm Q: Specialized Levo/Kenevo (non-SL)