NEW Shimano XT RD-M8100-SGS Rear Derailleur - 12-Speed, Long Cage, Black, For 1x chain_1speed The Side Entry cage is

The Side Entry cage is great for smaller frames or when the main triangle space is being shared with a frame bag

double bushing configuration

Mounts to the side of many rear racks

Weight: 268 g

Power readings accurate to +/- 5%

NEW Shimano XT RD-M8100-SGS Rear Derailleur - 12-Speed, Long Cage, Black, For 1x chain_1speed The Side Entry cage isThe Shimano Deore XT RD M8100 M8120 rear derailleur is designed to provide smooth and stable shifting for 12 speed MTB drivetrains. Offers fast and shockless shifting The low profile design includes a bumper added to the derailleur pulley cage Shimano Shadow RD+ technology reduces chain slap and creates a quieter drivetrain Includes large 13t pulley Color: Black Cage Length: Long Drivetrain Speeds: 12 Largest Cog: 51 Chain Wrap Capacity (teeth): 41