Shimano GRX Di2 FD-RX825 Front Derailleur 12 Speed Readystock They are very light

They are very light

making it a thrust for triathlon athletes

4x 700c rims

By controlling two separate BOA dials

ULTEGRA CS-R8100 cassettes are the new paradigm in road shifting

Shimano GRX Di2 FD-RX825 Front Derailleur 12 Speed Readystock They are very lightSHIMANO GRX Di2 FD RX825 Front Derailleur 12 Speed Specifications Series: GRX Di2 RX825 Application: Gravel, Cyclocross, City & Touring Gearing: 2x Chainline: 46 mm Chainring Size (max.): 48 tooth Capacity: 17 tooth Movement: down swing Mount: braze on Outer Body Material: carbon Inner Body Material: steel Cage Material: steel Number of E Tube Ports: 1 Mfr Claimed Weight 142g