Shimano ES300 73 x 126mm Octalink V2 Spline English Bottom Bracket MFPN=11654479 The most common mounting is

The most common mounting is in the big ring position because of chainstay clearance

Windproof four-way stretch material

Set of 5 expanding collets covers most bicycle bearing IDs from 6mm to 32mm

Primary Color Blue Volume 3

Shimano ES300 73 x 126mm Octalink V2 Spline English Bottom Bracket MFPN=11654479 The most common mounting isShimano 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) 73 Weight 270 Spindle Interface Type Shimano Octalink V2 Spindle Length 126 Defined Color Black Size 73Mm X 126Mm Interface English