Shimano BB-ES300 BSA Bottom Bracket - 68mm x 118 CheckoutTitle=RockShox Air Shaft - Sid B1 80-29 Less volume for slim feet

Less volume for slim feet or more space for growing feet

High pin power with reinforced durability

Easy to clean and re-use

Latitude entry system allows rapid engagement in any condition positioning the front claw upwards for intuitive seamless contact with the pedal

Compatible with Di2

Shimano BB-ES300 BSA Bottom Bracket - 68mm x 118 CheckoutTitle=RockShox Air Shaft - Sid B1 80-29 Less volume for slim feetShimano 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