Shimano ES300 68 x 126mm Octalink V2 Spline English Bottom Bracket 186 or bolted down

or bolted down

5mm Depth 20mm Material Aluminum Type Tubeless Color (H/S/R) Black Weight 1110g Axle Size 12X142mm

Integrated plastic insert sleeve for Di2 Batteries

} Boost your speed on mixed and soft terrain thanks to the evolved Michelin DH 22 tread pattern Maximum grip to win races

Easily removes grease grime and chain oil in seconds

Shimano ES300 68 x 126mm Octalink V2 Spline English Bottom Bracket 186 or bolted downShimano 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 126 Defined Color Gray Size 68Mm X 126Mm Interface English