- The benchmark in Freeride and DH rated cranks, now lighter and stiffer - Forged 7050 aluminum crank with web bracing to cut out unnecessary material - Optimized crank clearance on 27.5 DH, 27+ and 29+ bikes - Industry standard 30mm spline interface, CNC machined from 7050 alloy - Future-proof proprietary Cinch system offers interchangeable spiders, limitless ring combinations, swappable width 30mm alloy spindles, and full compatibility across all relevant frame standards - *BB sold separately, use RF-291* for English 68/73mm, BB92 or PF30 BBs (BB cup spanner sold separately, use RF-2997) - For use with Direct Mount ring or spider, attach using a Park BBT-22 tool (use PK-5823, sold separately). Boost compatible spider also available, RF-3296 - Made in Canada - 792g with BB (175mm with 36t ring)