Shimano XT RD-M8100-SGS Rear Derailleur 12Speed

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Vendor: Shimano SKU: IRDM8100SGS


SHIMANO DEORE XT - Rear Derailleur - SHIMANO SHADOW RD+ - 1x12-speed
The all-new SHIMANO DEORE XT M8100 series of derailleurs brings a new level of drivetrain silence thank to decreased tension in the low gear position and an added bumper on the pulley cage. Larger 13T pulleys increase efficiency and chain management while compatibility with SHIMANO's new 12-speed cassettes boosts range.


- Fast and precise shifting performance optimized to take on any trail
Faster and shockless shifting
Wide range 12-speed drivetrain with low sprocket combination -10-51T
- Silent drivetrain in all gear positions
Decreased rear derailleur and chain tension in low gear
New bumper added to rear derailleur pulley cage
Bump Stopper
Bigger 13T pulley
- Stable drivetrain on rough terrain
Low-profile design


- SERIES DEORE XT M8100 Series
- Color Series color
- Average weight 284
- Remarks w/Bumper on pully cage
- Compatible chain HG 12-speed
- Total capacity 41T
- B-axle_Hollow axle ✔
- Mount_Direct attachment (Conventional) ✔
- Fluoric coated link bushings 7
- Low sprocket_Max. 51T
- Low sprocket_Min. 51T
- Max. front difference 0T
- Pulley_G pulley bearing Sealed Bearing
- Pulley_Sunken type pulley bolt ✔
- Pulley_Teeth 13T
- Pulley_T pulley bearing Sealed Bearing
- Pulley cage SGS
- Top-normal spring type_SHIMANO SHADOW RD+ ✔
- Top sprocket_Max. 10T
- Top sprocket_Min. 10T
- Rear speeds 12

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