Shimano SLX RD-M7100 Rear Derailleur - 12 Speed
Shimano SLX RD-M7100 Rear Derailleur - 12 Speed RD-M7100-SGS SLX - Rear Derailleur - SHIMANO SHADOW RD+ - 1x12-speed The SLX M7100 series of derailleurs deliver advanced shifting performance with 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. FEATURE Fast and shockless shifting Low-profile design Extra wide range 12-speed drivetrain -10-51T (12-speed) -10-45T (12-speed) Decreased rear derailleur and chain tension in low gear New bumper added to rear derailleur pulley cage Bigger 13T pulley BENEFIT Advanced shifting performance provides the confidence to enjoy any trail Silent drivetrain in all gear positions Stable drivetrain on rough terrain IRDM7100SGS PRODUCT SPECIFICATIONS MODEL NO RD-M7100-SGS SERIES SLX M7100 Series Color Series color Average weight 316 g B-Axle_Hollow axle B-axle 2_Hollow axle Compatible chain HG 12-speed Direct attachment (Conventional) Fluoric coated link bushings 4 Low sprocket_Max. 51T Low sprocket_Min. 45T Max. front difference 0T Pulley_Sunken type pulley bolt Pulley_Teeth 13T Pulley cage SGS Rear speeds 12-speed Top-Normal spring type_SHADOW RD+ Top-Normal Spring Type SHIMANO SHADOW RD+ Top sprocket_Max. 10T Top sprocket_Min. 10T Total capacity 41T
Shimano SLX RD-M7100 Rear Derailleur - 12 Speed RD-M7100-SGS SLX - Rear Derailleur - SHIMANO SHADOW RD+ - 1x12-speed The SLX M7100 series of derailleurs deliver advanced shifting performance with 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. FEATURE Fast and shockless shifting Low-profile design Extra wide range 12-speed drivetrain -10-51T (12-speed) -10-45T (12-speed) Decreased rear derailleur and chain tension in low gear New bumper added to rear derailleur pulley cage Bigger 13T pulley BENEFIT Advanced shifting performance provides the confidence to enjoy any trail Silent drivetrain in all gear positions Stable drivetrain on rough terrain IRDM7100SGS PRODUCT SPECIFICATIONS MODEL NO RD-M7100-SGS SERIES SLX M7100 Series Color Series color Average weight 316 g B-Axle_Hollow axle B-axle 2_Hollow axle Compatible chain HG 12-speed Direct attachment (Conventional) Fluoric coated link bushings 4 Low sprocket_Max. 51T Low sprocket_Min. 45T Max. front difference 0T Pulley_Sunken type pulley bolt Pulley_Teeth 13T Pulley cage SGS Rear speeds 12-speed Top-Normal spring type_SHADOW RD+ Top-Normal Spring Type SHIMANO SHADOW RD+ Top sprocket_Max. 10T Top sprocket_Min. 10T Total capacity 41T
Shimano SLX RD-M7100 Rear Derailleur - 12 Speed RD-M7100-SGS SLX - Rear Derailleur - SHIMANO SHADOW RD+ - 1x12-speed The SLX M7100 series of derailleurs deliver advanced shifting performance with 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. FEATURE Fast and shockless shifting Low-profile design Extra wide range 12-speed drivetrain -10-51T (12-speed) -10-45T (12-speed) Decreased rear derailleur and chain tension in low gear New bumper added to rear derailleur pulley cage Bigger 13T pulley BENEFIT Advanced shifting performance provides the confidence to enjoy any trail Silent drivetrain in all gear positions Stable drivetrain on rough terrain IRDM7100SGS PRODUCT SPECIFICATIONS MODEL NO RD-M7100-SGS SERIES SLX M7100 Series Color Series color Average weight 316 g B-Axle_Hollow axle B-axle 2_Hollow axle Compatible chain HG 12-speed Direct attachment (Conventional) Fluoric coated link bushings 4 Low sprocket_Max. 51T Low sprocket_Min. 45T Max. front difference 0T Pulley_Sunken type pulley bolt Pulley_Teeth 13T Pulley cage SGS Rear speeds 12-speed Top-Normal spring type_SHADOW RD+ Top-Normal Spring Type SHIMANO SHADOW RD+ Top sprocket_Max. 10T Top sprocket_Min. 10T Total capacity 41T
Shimano SLX RD-M7100 Rear Derailleur - 12 Speed RD-M7100-SGS SLX - Rear Derailleur - SHIMANO SHADOW RD+ - 1x12-speed The SLX M7100 series of derailleurs deliver advanced shifting performance with 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. FEATURE Fast and shockless shifting Low-profile design Extra wide range 12-speed drivetrain -10-51T (12-speed) -10-45T (12-speed) Decreased rear derailleur and chain tension in low gear New bumper added to rear derailleur pulley cage Bigger 13T pulley BENEFIT Advanced shifting performance provides the confidence to enjoy any trail Silent drivetrain in all gear positions Stable drivetrain on rough terrain IRDM7100SGS PRODUCT SPECIFICATIONS MODEL NO RD-M7100-SGS SERIES SLX M7100 Series Color Series color Average weight 316 g B-Axle_Hollow axle B-axle 2_Hollow axle Compatible chain HG 12-speed Direct attachment (Conventional) Fluoric coated link bushings 4 Low sprocket_Max. 51T Low sprocket_Min. 45T Max. front difference 0T Pulley_Sunken type pulley bolt Pulley_Teeth 13T Pulley cage SGS Rear speeds 12-speed Top-Normal spring type_SHADOW RD+ Top-Normal Spring Type SHIMANO SHADOW RD+ Top sprocket_Max. 10T Top sprocket_Min. 10T Total capacity 41T
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The lowest price for Shimano SLX RD-M7100 Rear Derailleur - 12 Speed right now is $22.10 at AliExpress.com - AliExpress-226247430, compared across 5 retailers.
The all-time low was $16.59 on 13 Nov 2025 — today's price is 33% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 2 July 2026.
Last updated at 02/07/2026 20:25:55
Compatible for Shimano SLX M7100, 1x12 Speed MTB Groupset Shifter Lever & Rear Derailleur M7100 M7120
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Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Shimano Slx M7120 M7100 Rear Derailleurs 12 Speed Sgs Long Cage Mtb
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Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Shimano Slx Rd-m7100-sgs 1x12 Spd Super Long Cage Rear Derailleur Read
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Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Compatible for Shimano SLX M7100, 1x12 Speed MTB Groupset Shifter Lever & Rear Derailleur M7100 M7120
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
SHIMANO DEORE SLX M7100 M7120 Rear Derailleurs Mountain Bike M7100 SGS MTB Derailleurs 12-Speed
Free delivery
SHIMANO SLX M7100 1x12S Groupset 12 Speed SL-M7100-R Shifter RD-M7100-SGS Rear Derailleur RD-M7120
Delivery $18.29
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