SRAM Mountain Rear Derailleur B-Bolts/Limit Screws - XX1 Eagle B-Bolt and Limit Screw Kit, 12 Speed (Black) FSD The Q-factor of 168 mm

The Q-factor of 168 mm gives the racer a relaxed leg position and the crank arms do not touch the chainstays even with slightly wider rear triangles

2 Sets of Square and Round Rubber Seals

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

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

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 The Q-factor of 168 mmWith 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