Shimano GRX FD-RX815-F 2 x 11 Speed Di2 Braze-On Front Derailleur 50t max Chainring CheckoutTitle=Bosch PowerTube Mounting Kit - Lock Side }CeramicSpeed OSPW Pulley Wheel System

}CeramicSpeed OSPW Pulley Wheel System for Shimano 9100/9150 and 8000 SS/8050 SS - Alloy Pulley Carbon Cage Black

Smart sensor technology senses motion and turns Vya on when inserted into mount

Composed of a weather-resistant polyurethane exterior the advanced high-performance belt features strong stretch-free carbon fiber tensile cords

}RockShox Coil Spring 2010-2017 Domain Dual Crown/BoXXer Race/RC/Team/R2C2 Soft Yellow

Precision indexed shifting

Shimano GRX FD-RX815-F 2 x 11 Speed Di2 Braze-On Front Derailleur 50t max Chainring CheckoutTitle=Bosch PowerTube Mounting Kit - Lock Side }CeramicSpeed OSPW Pulley Wheel SystemShimano GRX FD RX815 F 2 x 11 Speed Di2 Braze On Front Derailleur 50t max Chainring. GRX FD RX815 Di2 Front DerailleurOperates 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 TECH SPECS Double or Triple Double Drivetrain Speeds 11 Derailleur Capacity 17 Front Derailleur Clamp Braze on Front