With 189 g it is the lightest Ergowave model with active technology

29cm x 9cm x 48 cm

Endurance racers needing a lube to last all day (e

Diameter: This is a 31

hubs and more

Shimano GP-M8250 XT SGS DI2 Drivetrain Kit - Derailleur and Shifter - 12 Speed - Silver Exclusive With 189 g it isThe DEORE XT Di2 drivetrain kit combines the all new DEORE XT M8250 SGS long cage derailleur with the M8250 SHIMANO RAPID ES shifter, BT DN320 battery, and EC EN100 charger. The derailleur paired with a standard 10 51T M8200 cassette gives all types of riders the range and robustness to tackle every trail on the mountain. With built in Automatic Impact Recovery, a new, impact deflecting wedge shape, and simple covered pulley solutions, this derailleur