Shimano GRX Di2 FD-RX825 Front Derailleur 12 Speed Readystock ULTEGRA CS-R8100 cassettes are the

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

RedLite® clip

60mm or 80mm

if a football bounces nearbyAcoustic signal indicates battery status and active statusBars are connected by special rivetsABUS XPlus cylinder for the greatest protection against manipulation

making it a thrust for triathlon athletes

Shimano GRX Di2 FD-RX825 Front Derailleur 12 Speed Readystock ULTEGRA CS-R8100 cassettes are theSHIMANO 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