Race Face Aeffect-R MTB CranksetThese stunning crank arms are ideal for MTB use as they offer outstanding performance and control with every rotation. They feature a robust 7075 aluminium construction which allows you to benefit from their optimised stiffness without any unnecessary weight holding you back. Designed for versatility, this superb model utilises Raceface's famous CINCH system which enables you to choose from plenty of spider options as well as their trusted 24mm EXI interface spindle. Features: Material: 7075 Aluminium Use: MTB, Trail, EnduroSpider Compatibility: CINCHChainring Compatibility: Alloy or Steel CINCH direct mount chainringsSpindle: 24mm (Boost compatible)Weight: 632g (32T direct mount Alloy without BB), 696g (32T direct mount Steel without BB)Buy Race Face Components from Chain Reaction Cycles, the World's Largest Online Bike Store.