Shimano BB-ES300 BSA Bottom Bracket - 68mm x 118 MFPN=11.4018.111.039 Posi-Lock retention system with 6

Posi-Lock retention system with 6 degrees of float (SPD compatible XPT cleats included)

Extra strength due to its "Bead 2 Bead Protek" cross-laid reinforcement on the tires crown and sidewalls for effective puncture protection

Includes new click tight bracket for effortless quiet and reliable transport

Ergonomically designed handle made of lightweight but super tough composite material

Shimano BB-ES300 BSA Bottom Bracket - 68mm x 118 MFPN=11.4018.111.039 Posi-Lock retention system with 6Shimano BB ES300 Octalink V2 Bottom BracketsFits Shimano Octalink V2 Spline Cranksets Crankarm fixing bolts not included BB Frame Interface English BB Shell Width (mm) 68 Spindle Interface Type Shimano Octalink V2 Spindle Length 118 Size 68Mm X 118Mm Interface English