Shimano 11-30T12speed
11-12-13-14-15-16-17-19-21-23-26-30
★ Work on KCNC ROAD derailleur system, Shimano freehub compatible.
★ 12 individual 6/4 Ti cogs.
★ Mono block CNC machined AL7075 carrier.
★ Optimized tooth profile for swift shifting performance.
*Fixed mount, no user replaceable cogs*
