Versatile Aluminium E-Bike Cranks specifically designed for the latest breed of mountain e-bikes. Proudly Designed, Tested and Manufactured in Barnoldswick, UK. Now produced three different offsets to suit Specialized, Brose/Yamaha and Bosch motors. KEY FEATURES - Designed for maximum ground clearance - Self extracting system for easy fitting and removal - Available in 155mm and 165mm length - Optimised Q-factor for compatibility with most frame/motor combinations - Arms available in black, silver, bronze, blue, red, purple and orange - Proudly Designed, Tested and Manufactured in Barnoldswick, UK - Weight: 472g - Forged and CNC machined 7150 series aluminium alloy crank arms - Compatible with motor systems using an ISIS spline axle/crank arm interface only.