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Shimano 105 Di2 R7170 12 speed Hydraulic Disc Brake CORE Groupset (Shifters, RD, FD, 11-34 cassette, M7100 chain, Battery, 2 wires, Charger) — Clubhaus × The Cyclery
SRAM introduces new 2021 Eagle Expansion drivetrains with 52t cassette for GX, X01, XX1 and AXS | off-road.cc
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