Three sizes are available in two lengths (155 and 165 mm).

Narrow Offset - This crank model is most suitable for Brose systems may also be used as a narrow Q-factor option on Bosch systems if there is adequate frame clearance (not compatible with Bosch gen 3 BNI spindle interface).

Standard Offset - This crank model is most suitable for Bosch gen 2/4 systems and Yamaha PW-X systems (not compatible with Bosch gen 3 BNI spindle interface).

Specialized Offset - This crank model is most suitable for Specialized Turbo systems using the ISIS mount including: Levo, Kenevo, Vado, Como, Turbo Levo e-bikes. Please note this model is not suitable for any Levo SL MTN E-Bikes using the Specialized SL 1.1 M30 motor.

• Designed for maximum ground clearance
• Self-extracting system for easy fitting and removal
• Available in 155 mm and 165 mm length
• Optimised Q-factor for compatibility with most frame/motor combinations
• Arms available in Black, Blue, Red, Silver, Purple and Orange
• Proudly Designed, Tested and Manufactured in Barnoldswick, UK
• Weight: From 472g
• Forged and CNC machined 7150 series aluminium alloy crank arms.

**Please Note**: Compatible with motor systems using an ISIS spline axle/crank arm interface only.