SKU: 18330207982
Ships within 48 hours · Estimated delivery Oct 24 - Oct 29
Shimano SM JC41 Di2 Internal Junction B Box FE Sport Unique 15° machined chain ramps This is the best Unique 15° machined chain ramps offer superior chain engaging on 5 different crank positions The double wheel sizing standards (112 and 145 millimetres) enable reducing the weight through greater use of carbon fibre Mfr Claimed Weight Specifications
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