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Ships within 48 hours · Estimated delivery Aug 2 - Aug 7
52 526 0311
Rear hub 135/142 QR
the RD-M8100 derailleur features new 13-tooth pulleys that optimally manage chain tension
left and right
corona miche x2 rd r92 power meter kit upgrade sram 52 526 0311Every watt you generate deserves to be transmitted with total efficiency. X2 RD is the gear designed for those who demand the best: light, stiff, and able to transfer every watt with absolute precision. The X2 RD R92 and X2 RD R81 are born from the same vision but specialize for different targets. The first was specifically developed for Dura Ace 9200 cranksets, offering the widest range with chainrings from 50 to 56 teeth (50, 52, 54, 55, 56). The
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