Shimano 11-30T12 speed

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*