Compare (0/5)

Rear Derailleurs

Shop

Learn

Shimano

Shimano Altus Rear Derailleur 7/8 Speed M310 Black

$47.00 Full price

$47.00

Club price

$47.99 Full price

Shimano

Shimano Rear Derailleur 1x11 Deore M5100

$105.00 Full price

$105.00

Club price

$119.99 Full price

20% Off Full Price

Shimano

Shimano Deore RD-M6100 12-Sp for 51T Max Shadow+ Long Cage Rear Derailleur

$103.00 Full price

$103.00

Club price

$129.99 Full price

Shimano

Shimano Rear Derailleur Deore M5120-SGS RD+ 2x11, 1x10, 2x10-speeds

$99.00 Full price

$99.00

Club price

$109.99 Full price

15% Off Full Price

Shimano

Shimano RD-TY300 Tourney Rear Derailleur 6/7speed

$21.00 Full price

$21.00

Club price

$24.99 Full price

15% Off Full Price

Shimano

Shimano Derailleur-RR 10S 105-5701 Triple Black

$110.00 Full price

$110.00

Club price

$129.99 Full price

23% Off Full Price

SRAM

SRAM Derail-RR 9S X5 LG

$86.00 Full price

$86.00

Club price

$112.99 Full price

SRAM

SRAM Derailler-RR 11S NX

$179.00 Full price

$179.00

Club price

$192.99 Full price

18% Off Full Price

Shimano

Shimano RD-RX812 Rear Derailluer GRX 11-Speed for 42T

$171.00 Full price

$171.00

Club price

$209.99 Full price

Shimano

Shimano RD-U6000 Cues Rear Derailleur 10/11 Speed 50T Max

$105.00 Full price

$105.00

Club price

$109.99 Full price

Shimano

Shimano Cues RD-U4000 Shadow Rear Derailleur 46T 9-Speed

$79.00 Full price

$79.00

Club price

$84.99 Full price

Shimano

Shimano RD-U6020-10 Cues Rear Derailleur 10 Speed 39T Max

$82.00 Full price

$82.00

Club price

$84.99 Full price

Shimano

Shimano RD-U2000 Essa 8 Speed Rear Derailleur 45T Max

$77.00 Full price

$77.00

Club price

$79.99 Full price

27% Off Full Price Clearance

Shimano

Shimano RD-M8120 REAR DERAILLEUR XT SHADOW+ 12-SPEED LONG 45T MAXIMUM 2x12

$152.00 Full price

$152.00

Club price

$209.99 Full price

Shimano

Shimano Rear Derailleur RD-M3100 Alivio Shadow 9-Speed

$75.00 Full price

$75.00

Club price

$79.99 Full price

24% Off Full Price

Shimano

Shimano RD-T8000 Deore XT Long Cage 10-Speed Rear Derailleur

$129.00 Full price

$129.00

Club price

$169.99 Full price

Shimano

Shimano RD-M8130 XT Shadow+ Rear Derailluer 11-Speed 50T Maximum

$183.00 Full price

$183.00

Club price

$209.99 Full price

24% Off Full Price

SRAM

SRAM Derail-RR 10S Gx MD

$120.00 Full price

$120.00

Club price

$157.99 Full price

Shimano

Shimano RD-M3020 ACERA 7/8-SPEED BLACK 40T MAX

$47.00 Full price

$47.00

Club price

$49.99 Full price

28% Off Full Price

Shimano

Shimano A070 Rear Derailleur 7 Speed Tourney Axle Mount

$25.00 Full price

$25.00

Club price

$34.99 Full price

32% Off Full Price

SRAM

SRAM X3 8 Speed Rear Derailleur

$45.00 Full price

$45.00

Club price

$52.99 Full price

SRAM

SRAM S200 Eagle 12-Speed MTB Rear Derailleur Black

$242.00 Full price

$242.00

Club price

$255.00 Full price

Shimano

Shimano Deore RD-M7200 12-Speed MTB Rear Derailleur

$129.00 Full price

$129.00

Club price

$139.99 Full price

Shimano

Shimano Tourney RD-TY500-SGS 7/6-Speed Rear Derailleur

$27.00 Full price

$27.00

Club price

$29.99 Full price

15% Off Full Price

Shimano

Shimano Tiagra Rear Derailleur 10 Speed RD-4700 Short Cage

$76.00 Full price

$76.00

Club price

$89.99 Full price

24% Off Full Price

SRAM

SRAM REAR DER GX 2X11SP LONG BLK 00.7518.082.000

$247.00 Full price

$247.00

Club price

$290.99 Full price

30% Off Full Price

SRAM

SRAM Derailler-RR 10S X5 LG

$109.00 Full price

$109.00

Club price

$117.99 Full price

Find Your Size

Step 1: Measure your height

Take off your shoes
Stand with your back straight against a wall
Balance a book on your head to mark your height on the wall
Measure your height by the distance from the floor to the mark

Your height:

Find Your Size

Step 2: Adjust your inseam

Based on your height, we’ve calculated a starting point.
You can measure your inseam by tucking a book between your legs so there is pressure but it isn’t uncomfortable.
Inseam typically falls with 5cm of the average.

Your inseam:

Find Your Size

Your results

For the we suggest the following size.

More comfort More speed

Height: --

Inseam: --

Adjusted Height: --

Find Your Size

We have saved your measurements.

Recommended sizes will now be highlighted on the page.

Related Categories

Mountain Bike Derailleurs

Shop mountain bike derailleurs for smoother, more reliable gear shifts on any trail. Explore rear and front options suited to every riding style and budget.

Explore More

Jockey Wheels

Explore More

Road Bike Derailleurs

Shop road bike derailleurs for smoother, more precise shifting. Whether you're upgrading or replacing, explore a wide range of options to suit every road setup.

Explore More

Front Derailleurs

Upgrade your drivetrain with front derailleurs built for smooth, reliable shifting. Shop a wide range of options online or in store, suited to every riding style.

Explore More