Tektro TR-54 Rotor 2.3mm 4 piston 180mm ISO 6B Direct Mount/BCD-4x96mm Embrace technology not only keeps 210000175731 ModelNumber=J2351 Fork Spring Debonair Shaft Size:27.5 X 4.5

Tektro TR 54 Rotor 2.3mm 4 piston 180mm ISO 6B Direct Mount BCD 4x96mm Embrace technology not only keeps 210000175731 ModelNumber=J2351 Fork Spring Debonair Shaft Size:27.5 X 4.5 Embrace technology not only keeps the rear derailleur vertically aligned in the perfect position for each sprocket it now makes the upper pulley wheel advance perfectly in the direction the bike is advancing Hydraulic Bottom Out Shaft Eyelet Standard Spring Adjustments Air pressure Bottomless tokens Primary Color Black Body Eyelet Trunnion Default Settings R25 C34 X2 1 Token Damping Adjustments External rebound 2position (open firm) HS&LS compression Hydraulic Bottom Out Eye To Eye 225x70 Spring Type Vivid