Shimano FD-RX820 GRX Double Front Derailleur - 12 Speed Electronic Parts With 840 grams it is

With 840 grams it is one of the lightweights

Improved stability

and waterproof

durable nylon with a zippered closure

9oz / 255g

Shimano FD-RX820 GRX Double Front Derailleur - 12 Speed Electronic Parts With 840 grams it isThe Shimano GRX FD RX820 front derailleur offers lighter front shifting operation and easier setup thanks to its toggle link construction and integrated cable tensioner. Features include a 2. 5mm outboard chain line design that provides wider tire clearance for mixed terrain riding, and it accommodates a 17t front chainring range for wider gearing options Smooth and natural shift action with Toggle Link for lighter front shifting +2. 5mm chainline vs.