All Di2 components on the bicycle require the same firmware version

130mm length for standard shift/brake setup (not for twist shifters = use 90mm replacement grip options for twist shifters)

This light set provides 350 lumens of light in front of you and a bright red flash behind you

No leg gripper

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