Hope EVO MTB Crankset - Single SpiderThese high-quality cranks are specifically engineered for MTB use as they offer increased stiffness for excellent pedal stroke performance. This stunning model features an expanding spline axle/arm interface and an incredibly versatile spline mounted single spider/chainring system for ease of use. To top it off, the crank arm's forged and CNC-machined 7150 series aluminium construction is immensely tough for handling sudden knocks and bumps.Features: Material: Forged and CNC-machined 7150 series Aluminium Use: MTB Self-extracting axle/arm interface Spider: Single Weight: 560gBuy Hope Components from Chain Reaction Cycles, the World's Largest Online Bike Store.