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removing and installing Schrader and Presta valve cores (the cores are inside the valve)
R9100 and Ultegra 6870/6770 equipped bicycles
square taper Freewheel: Shimano 20T hub driver Brakes Promax cold forged
Molded nylon
141/148 Boost Hubs
X4 7-/8-Speed Rear Derailleur Vendor_SRAM removing and installing Schrader andSRAM's X4 Rear Derailleur provides precise, dependable shifting along with long term durability. Its aluminum and steel construction delivers through the roughest trail, while SRAM's 1: 1 actuation ratio and direct cable routing provide quick, reliable shifts. This derailleur is compatible with 7 or 8 speed drivetrains.
US$ 12.99
US$ 70.00
US$ 35.00
US$ 18.00
US$ 98.00
