SunRace M800 Spider Mountain Bike CranksetThis high-quality model is specifically designed for MTB use as its alloy forged crank arms are incredibility tough for handling all the rebounds from rocks and tree roots. Additionally, it is compatible with 12 speed cassettes and frames with a BCD of 96mm. As an added bonus, it weighs in at only 660g, so you won’t have to worry about any excess weight holding you back.Features: Material: Alloy forged cranks Bolts: SCM435 bolts & nuts Speed: 12 speed Use: MTB BCD: 96mm Weight: 660g (approx)Buy SunRace Components from Chain Reaction Cycles, the World’s Largest Online Bike Store.