
Trek Bicycle
Shimano GRX M827 Di2 12-Speed Rear Derailleur
- Trek Bicycle$565Buy
The creators who use it, or GearCred, may earn a commission when you buy through these links, at no extra cost to you.
From Trek Bicycle
A premium wireless 12-speed gravel derailleur built for robust 1x performance, impact resilience, and wide-range adventure gearing.