SRAM Rear Derailleur Cable Pulley And Guide Kit - Suit X01-X01DH Virtual Parent If you plan to ride

If you plan to ride in very muddy conditions

The Reverb AXS features Vent Valve Technology which allows you to separate any ingressed air from the oil

To ensure your drivetrain is operating smoothly

This allows riders to adjust the friction between the shoe/pedal interface to suit your preferences and shoes

The compact design delivers up to 500 lumens with eight different modes

SRAM Rear Derailleur Cable Pulley And Guide Kit - Suit X01-X01DH Virtual Parent If you plan to rideOriginal Sram rear derailleur Cable pulley and guide system. Made to replace worn out or broken parts. Who's this item for? Riders with Sram, 12 speed drivetrains looking for a replacement pulley. For: SRAM XX1, X01, X01DH, X1, and GX X Horizon rear derailleurs.