Shimano GRX 2 X 10 SpeedBraze-On Front Derailleur Compatio_Enriched Fender and rack mounts

Fender and rack mounts

The SHIMANO UN26 bottom bracket offers smooth rotation for square taper cranks

Mounts on bars

make sure your specific trainer will accommodate the width of the thru-axle equipped bike that you are using

stainless steel rim eyelets

Shimano GRX 2 X 10 SpeedBraze-On Front Derailleur Compatio_Enriched Fender and rack mountsThe SHIMANO GRX RX400 front derailleur offer lighter front shifting operation and easier setup thanks to the new link construction and integrated cable tensioner. It features a 2. 5mm outboard chain line design to allow wider tire clearance for mixed terrain riding. Lighter front shifting Ergonomic power curve New link (toggle) construction Natural stroke feeling Wider tire clearance Chainline +2. 5 mm vs. conventional road FD Compatible with up to 42