Shimano XT M8100 SGS Rear Derailleur Narrow Forefoot which is a USB-rechargeable battery

which is a USB-rechargeable battery pack that can also be replaced by three AAA batteries

go for the Backland 117

so it works only with pin-tech (low-tech) bindings and is not safe in frame

while still being as safe as any other harness

13 degrees

Shimano XT M8100 SGS Rear Derailleur Narrow Forefoot which is a USB-rechargeable batteryThe Shimano XT M8100 SGS Rear Derailleur is a long cage derailleur designed for cassettes that are 12 speed 10 51t. The Shimano XT M8100 SGS Rear Derailleur is compatible with all Shimano mtn mechanical 1x12 drivetrains. CAGE LENGTH SGS Long TOTAL CAPACITY 51t MAX FRONT DIFFERENCE 0 COLOR SERIES COLOR MOUNT Direct attachment (conventional) Direct mount compatible GUIDE PULLEY BEARING Sealed Bearing TENSION PULLEY BEARING Sealed Bearing NUMBER OF