Shimano GRX Di2 FD-RX825 Front Derailleur 12 Speed Readystock LED: 1*high-efficiency white LED

LED: 1*high-efficiency white LED

They are very light

By controlling two separate BOA dials

Its material and welded seams make it absolutely waterproof

Internal zippered pocket secures small valuables

Shimano GRX Di2 FD-RX825 Front Derailleur 12 Speed Readystock LED: 1*high-efficiency white LEDSHIMANO 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