RockShox Seatpost Upper Tube 225mm 30.9/31.6mm Reverb AXS B1 Rear Shock Spring which adds an aggressive look

which adds an aggressive look and a racing advantage

Flex windows remove material in strategic areas to create a sock that's less bulky and really moves with you

Adjustable Contact Point No Adjustable Reach Yes Brake Caliper Type Post Mount Brake Lever Actuation Hydraulic Brake Lever Use Left Color Dark Polar Hydraulic Fluid Type DOT Hydraulic Hose Length 950 Pad Compound Sintered Rotor Included No

Lever works with flat bar and 20mm offset caliper fits flat mount frames

RockShox Seatpost Upper Tube 225mm 30.9/31.6mm Reverb AXS B1 Rear Shock Spring which adds an aggressive lookSeatpost 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 225mm