Bontrager Quantum Mountain Bike Shoes Trek is sufficient for the front

is sufficient for the front or rear derailleur to instantaneously select the correct gearFull and semi synchronized shifting programable

This modern-day classic is built to ride

Product Group: BBB BTL-105 BracketPlug Bottom Bracket tool Hollowtech II

Motor : 36V 250W Rear Hub Motor

Bontrager Quantum Mountain Bike Shoes Trek is sufficient for the frontDescription Superior simplicity The Quantum is a no nonsense mountain bike shoe perfect for anyone looking to clip in and hit the trails. These two bolt compatible shoes feature the reliable adjustability of three zonal hook and loop straps, so you always stay comfortable and secure when pushing the pedals. If you want to look sleek and sophisticated, look to Quantum for a more efficient ride. Product details inForm Race offers a slightly roomier,