GRX FD-RX815-F 2 x 11 Speed Di2 Braze-On Front Derailleur, 50t max Chainring E-mountain Breathable mesh offers enhanced fit

Breathable mesh offers enhanced fit and comfort

fully rebuildable and readily available

the weather can be unpredictable

Exposure Quick Release Taillight Brackets strap to seat posts using flexible straps

All S-Works Tarmac SL8 models ship with a Roval Rapide cockpit to save weight and for the fastest possible leading edge

GRX FD-RX815-F 2 x 11 Speed Di2 Braze-On Front Derailleur, 50t max Chainring E-mountain Breathable mesh offers enhanced fitGRX FD RX815 Di2 Front Derailleur Operates with Shimano Di2 for digital electronic shifting Chainline is increased by 2. 5mm over conventional front derailleurs for greater tire clearance in the front 17t front range provides more gear range in the front