SRAM Mountain Rear Derailleur B-Bolts/Limit Screws - XX1 Eagle B-Bolt and Limit Screw Kit, 12 Speed (Black) FSD This all-new Transmission system takes

This all-new Transmission system takes a holistic approach to a bike's shifting - an entire drivetrain synchronized for a superior ride experience

Use a small spike to pierce the tape in the centre of the valve hole

The premium SuperRoubaix thermal fabric is highly stretchable and features a soft-brushed lining

The SHIMANO GRX DUAL CONTROL LEVER delivers light and responsive shifting for mixed-terrain riding

SRAM Mountain Rear Derailleur B-Bolts/Limit Screws - XX1 Eagle B-Bolt and Limit Screw Kit, 12 Speed (Black) FSD This all-new Transmission system takesWith SRAM original spare parts you can restore the efficiency of your components back to the new condition. The XX1 X01 Eagle rear derailleur kit includes the rear derailleur bolt, two screws needed to adjust the top and bottom stops of the derailleur, and a counter plate screw to adjust the soundhead stop. Specifications Material: aluminum, steel Compatibility: SRAM XX1 Eagle X01 Eagle derailleurs Screw head: 5 mm hexagon socket Color: Black Mfr