RockShox Seatpost Upper Tube 125mm 30.9/31.6mm Reverb AXS B1 Model-DH Adjustable Reach Yes Brake Caliper

Adjustable Reach Yes Brake Caliper Type Flat Mount Brake Lever Actuation Hydraulic Brake Lever Use Left Color Gray Hydraulic Hose Length 950 Adjustable Contact Point No Hydraulic Fluid Type DOT Rotor Included No Pad Compound Organic

composite small trigger

Convertible spider design for different chainring and chainline configurations

Its breathability

The B-RAD 4 includes the required zip ties

RockShox Seatpost Upper Tube 125mm 30.9/31.6mm Reverb AXS B1 Model-DH Adjustable Reach Yes Brake CaliperSeatpost Upper Tube Assembly 30. 9 31. 6, 100mm (Includes Upper Tube, Keys, Clamp Bolt Plate, And Fill Valve) Reverb AXS B1+ (2026+) TECH SPECS Misc 30. 9 31. 6 125mm