All Di2 components on the bicycle require the same firmware version

Forged aluminum clamp

Lightweight SELECT Transfer Mesh fabric dries fast to help regulate body temperature and is made from 100% recycled material

15kg maximum recommended load

SHIMANO GR501 Flat Pedal Mountain Bike Shoe - Youth Sizes - Closeout Size:- 43 All Di2 components on theFlat Pedal Shoe Provides The Grip, Protection, Comfort, And Style Riders Desire. Proprietary SHIMANO rubber outsole improves grip on pedal pins for better bike control and ground for greater traction. Durable synthetic upper with mesh for protection and breathability. Reinforced toe and ankle protection. Volume Tour Last for all day on and off the bike comfort. Available in sizes: 33 48. Smaller kid sizes for that little shredder! All sales are FINAL