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- 66%
Shimano SLX RD-M7100 Rear Derailleur - 12 Speed
Shimano SLX RD-M7100 Rear Derailleur - 12 Speed
Shimano SLX RD-M7100 Rear Derailleur - 12 Speed

Shimano SLX RD-M7100 Rear Derailleur - 12 Speed

Shimano SLX RD-M7100 Rear Derailleur - 12 Speed

$20.99

(1,185 reviews)

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

(1,185 reviews)

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

$20.99 - $286.44

in 52 offers

The lowest price for Shimano SLX RD-M7100 Rear Derailleur - 12 Speed right now is $20.99 at AliExpress.com - AliExpress-226247430, compared across 24 retailers.

The all-time low was $16.59 on 13 Nov 2025 — today's price is 27% above the lowest ever. It has been notably cheaper before — worth setting a price alert.

Prices last updated 5 June 2026.

Price comparison

Price data powered by pricesAPI.io

Last updated at 05/06/2026 02:07:50

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.
Amazon.com.au

$98.18

SHIMANO SLX RD-M7100 Rear Derailleur

Delivery $21.20

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!

Amazon.com.au

$144.64

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!

AliExpress.com - AliExpress-226247430

$20.99

SHIMANO SLX M7100 1x12S Groupset 12 Speed SL-M7100-R Shifter RD-M7100-SGS Rear Derailleur RD-M7120

Delivery $17.64

AliExpress.com - AliExpress-226247430

$31.79

SHIMANO SLX SL-M7100 2S 12S Shifter RD-M7100 SGS/RD-M7120 SGS 12 Speed Rear Derailleurs MTB Bike

Free delivery

AliExpress.com - AliExpress-226247430

$32.99

SHIMANO SLX M7100 M7120 Shift Lever Rear Derailleur 12Speed for MTB Mountain Bike 2S 12S Shifter

Free delivery

AliExpress.com - AliExpress-226247430

$42.77

SHIMANO DEORE SLX XT RD XTR M6100 M7100 M7120 M8100 M8120 M9100 12S SGS Rear Derailleurs MTB

Delivery $15.84

AliExpress.com - AliExpress-226247430

$64.69

SHIMANO SLX M7100 12v Rear Derailleur RD-M7100-SGS 1x12-speed Low sprocket 51T Top sprocket 10T

Delivery $19.61

AliExpress.com - AliExpress-226247430

$65.78

SHIMANO SLX M7100 M7120 Rear Derailleur 12 Speed MTB Long Cage SGS Cycling For Mountain Bike For

Delivery $13.96

AliExpress.com - AliExpress-226247430

$82.78

Shimano SLX M7100 12 SPEED Rear Derailleur MTB Mountain Bike 12S Long Cage Rear Derailleurs 12V

Free delivery

AliExpress.com - AliExpress-226247430

$87.97

SHIMANO SLX M7100 1x12v Groupset 12 Speed SL-M7100-R Shifter and RD-M7100-SGS Rear Derailleur

Delivery $19.61

Price history

Price history

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.

Price comparison

Updated 5 days ago
Please note: price history and price alerts are not available for some stores, including Amazon.com.au.
Amazon.com.au

$98.18

SHIMANO SLX RD-M7100 Rear Derailleur

Delivery $21.20

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!

Amazon.com.au

$144.64

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!

AliExpress.com - AliExpress-226247430

$20.99

SHIMANO SLX M7100 1x12S Groupset 12 Speed SL-M7100-R Shifter RD-M7100-SGS Rear Derailleur RD-M7120

Delivery $17.64

AliExpress.com - AliExpress-226247430

$31.79

SHIMANO SLX SL-M7100 2S 12S Shifter RD-M7100 SGS/RD-M7120 SGS 12 Speed Rear Derailleurs MTB Bike

Free delivery

AliExpress.com - AliExpress-226247430

$32.99

SHIMANO SLX M7100 M7120 Shift Lever Rear Derailleur 12Speed for MTB Mountain Bike 2S 12S Shifter

Free delivery

Price history

Price history

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.

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