Q-Factor: Optimized Q-factor for compatibility with most frame/motor combinations. Compatibility: 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).
Material: Forged and CNC machined 7150 series aluminium alloy crank arms. Colors: Available in Black, Blue, Bronze, Red, Silver, Purple, and Orange. Manufacturing: Proudly designed, tested, and manufactured in Barnoldswick, UK. Please Note: Compatible with motor systems using an ISIS spline axle/crank arm interface only.