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Shimano
11-25T 12speed
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詳細資訊
11-12-13-14-15-16-17-18-19-21-23-25
★ 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*