Shimano 105 BB-5500 68x118.5mm Octalink V1 Spline English Bottom Bracket Brake Lever Use-Right Lightning Bolt Rear Thru AxleAvailable

Lightning Bolt Rear Thru AxleAvailable front and rear Lightning Bolt-On axles offer a stronger more durable lower profile and lighter weight option to replace your stock thru-axles

}DiaTech Gordo AD996TW Front or Rear Black U-Brake

Press-fit end caps allow tool-free maintenance and conversion

The Avid 20R Brake Shoes are symmetrical for use on front or rear linear pull brakes

Shimano 105 BB-5500 68x118.5mm Octalink V1 Spline English Bottom Bracket Brake Lever Use-Right Lightning Bolt Rear Thru AxleAvailableShimano 105 BB 5500 68x118. 5mm Octalink V1 Spline English Bottom Bracket. 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. 1. 37 BB Frame Interface English BB Shell Width (mm) 68 Weight 259 Spindle Interface Type Shimano Octalink V1 Spindle Length 118. 5 Defined Color Silver