Shimano ES300 68 x 121mm Octalink V2 Spline English Bottom Bracket Upper Stack Height-8 2 Defined Color Black ISO

2 Defined Color Black ISO Width (mm) 57 ISO Diameter 622 / Road / 29" Tire Intended Use Mountain Tire Diameter 29" Tire Bead Wire Labeled Size 29 x 2

0° 700c 532

and for those looking to optimize each detail in pursuit of speed

8mm 800mm Gold

Shimano ES300 68 x 121mm Octalink V2 Spline English Bottom Bracket Upper Stack Height-8 2 Defined Color Black ISOShimano 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