Shimano 105 BB-5500 Bottom Bracket - Italian 70 x 109.5mm Octalink V1 Spindle Interface ModelNumber=K6315 Foot-actuated pivot lever for easy

Foot-actuated pivot lever for easy rack folding/unfolding

Backing Plate Material Steel Compound Resin Heat Sink No Pad Shape Number 22

All Mountain-

With its compact size

Shimano 105 BB-5500 Bottom Bracket - Italian 70 x 109.5mm Octalink V1 Spindle Interface ModelNumber=K6315 Foot-actuated pivot lever for easyShimano 105 BB 5500 Bottom Bracket Italian 70 x 109. 5mm Octalink V1 Spindle Interface. Shimano BB 5500 Octalink V1 Bottom BracketsFits Shimano Octalink V1 Spline Cranksets FC 7700 FC 7703 FC 6500 FC 6503 FC 5500 FC 5501 FC 5503 FC 5504 cranks Crankarm fixing bolts not included TECH SPECS Bottom Bracket Shell I. D. 36 BB Frame Interface Italian BB Shell Width (mm) 70 Spindle Interface Type Shimano Octalink V1 Spindle Length 109. 5 Defined Color Silver