Shimano Dura-Ace R9100 Hollowtech II Italian Bottom Bracket MFPN=K13-3100I-BLK 5x12cm Color Black Weight 120g

5x12cm Color Black Weight 120g Size Short

Model T2-SX Spindle CrMo Size 9/16" Body Material Aluminum Color Orange Weight 377g

Model Gridlock Grip Shape Round Grip Color Orange Clamp Color Black Length 145mm Diameter 35mm

Before your child takes on pedaling

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

Shimano Dura-Ace R9100 Hollowtech II Italian Bottom Bracket MFPN=K13-3100I-BLK 5x12cm Color Black Weight 120gShimano Dura Ace BB92 BB9000 Hollowtech II Bottom Brackets Bottom Bracket Shell I. D. 36 BB Frame Interface Italian BB Shell Width (mm) 70 Weight 65 Spindle Interface Type Shimano Hollowtech II Defined Color Black Type Italian