they have proven to be extremely durable

W6R - White Industries - REAR

and makes conversion between QR

Attaching to your fork or seat stay

The ARC 25 are for people who want a rim that's suitable for XC to AM riding

Race Face Atlas Cinch 30mm Axle Crank Arms - 30mm - Race Face - Easton Cinch Direct Mount - No Spider - No Chainring - Black - 170mm - 68-73mm Envelope Shipping they have proven to beAs tough as it gets, the Atlas cranks are built for hard charging and will keep you rolling no matter how hard you abuse them. Who's this for: Enduro, and All Mountain, and DH riders wanting cranks that won't break the bank, or break at all. Spindle size: These cranks use a 30mm spindle. Weight: 690g with a 32t chainring. Chainring: No chainring included. Compatible with all Cinch style direct mount rings. Chainline: Dictated by the chainring.