Shimano ES300 68 x 121mm Octalink V2 Spline English Bottom Bracket 29x2.20 Provides the optimal chainline and

Provides the optimal chainline and clearance for your Super Boost 157mm hubs when used with the standard Race Face 136mm spindle

Color Clear

now lighter and more comfortable than ever before

Brake lever features a Carbon fiber lever blade with replaceable grip and forged alloy lever body

Shimano ES300 68 x 121mm Octalink V2 Spline English Bottom Bracket 29x2.20 Provides the optimal chainline andShimano BB ES300 Octalink V2 Bottom BracketsFits Shimano Octalink V2 Spline Cranksets Crankarm fixing bolts not included Bottom Bracket Shell I. D. 1. 37 BB Frame Interface English BB Shell Width (mm) 68 Weight 270 Spindle Interface Type Shimano Octalink V2 Spindle Length 121 Defined Color Gray Size 68Mm X 121Mm Interface English