Delivering to:
Collecting from:

Derailleurs

Front Derailleurs

Rear Derailleurs

Mountain Bike Derailleurs

Road Bike Derailleurs

Chains

Cassettes & Freewheels

Shifters

Compare (0/5)

Not sure what sized bike is best?

Answer a few short questions and we'll make a recommendation on which size is best for you.

MicroShift MEZZO FD-M20 Front Derailleur 3x7/8 Speed 42T-34T-24T

MicroShift

MicroShift MEZZO FD-M20 Front Derailleur 3x7/8 Speed 42T-34T-24T

$27.00 Full price
$27.00
Club price
$28.99 Full price
Shimano Ultegra FD-R9100 Link Cover
49% Off Full Price Clearance

Shimano

Shimano Ultegra FD-R9100 Link Cover

$5.00 Full price
$5.00
Club price
$9.99 Full price
Shimano Dura-Ace 11-Speed Pulley Set for RD-R9100 Black

Shimano

Shimano Dura-Ace 11-Speed Pulley Set for RD-R9100 Black

$42.00 Full price
$42.00
Club price
$45.00 Full price
Shimano Tiagra FD-4700-B 2x10-Speed Road Front Derailleur

Shimano

Shimano Tiagra FD-4700-B 2x10-Speed Road Front Derailleur

$49.00 Full price
$49.00
Club price
$54.99 Full price
Shimano RD-7000 Pulley Wheel Tension & Guide
44% Off Full Price Clearance

Shimano

Shimano RD-7000 Pulley Wheel Tension & Guide

$10.00 Full price
$10.00
Club price
$17.99 Full price
19% Off Full Price Clearance

BPW

BPW Front deraileur 31.8 3 spd down-pull

$20.00 Full price
$20.00
Club price
$24.99 Full price
SRAM GX Type 2.1 11-Speed MTB Rear Derailleur
15% Off Full Price

SRAM

SRAM GX Type 2.1 11-Speed MTB Rear Derailleur

$179.00 Full price
$179.00
Club price
$211.00 Full price
Shimano Tourney RD-A070 7-Speed Direct Mount Road Rear Derailleur Black

Shimano

Shimano Tourney RD-A070 7-Speed Direct Mount Road Rear Derailleur Black

$27.00 Full price
$27.00
Club price
$29.99 Full price
Pilo Derailleur Hanger - D593 - Cube

Pilo

Pilo Derailleur Hanger - D593 - Cube

$45.00 Full price
$45.00
Club price
$49.99 Full price
Pilo Derailleur Hanger - D19

Pilo

Pilo Derailleur Hanger - D19

$59.00 Full price
$59.00
Club price
$59.99 Full price
SRAM Rival 1 Long Cage Type 3.0 11-Speed Road Rear Derailleur

SRAM

SRAM Rival 1 Long Cage Type 3.0 11-Speed Road Rear Derailleur

$199.00 Full price
$199.00
Club price
$211.00 Full price
Shimano Claris RD-R2000-SS 8-Speed Road Rear Derailleur

Shimano

Shimano Claris RD-R2000-SS 8-Speed Road Rear Derailleur

$40.00 Full price
$40.00
Club price
$45.00 Full price
Wheels Manufacturing DH404-02 Derailleur Hanger for SRAM UDH

Wheels Manufacturing

Wheels Manufacturing DH404-02 Derailleur Hanger for SRAM UDH

$75.00 Full price
$75.00
Club price
$79.99 Full price
Shimano Acera M360 7/8 Speed Derailleur Black
17% Off Full Price

Shimano

Shimano Acera M360 7/8 Speed Derailleur Black

$99.00 Full price
$99.00
Club price
$119.99 Full price
Shimano Alivio M3120-M 9 Speed Front Derailleur

Shimano

Shimano Alivio M3120-M 9 Speed Front Derailleur

$55.00 Full price
$55.00
Club price
$59.99 Full price
Shimano Tiagra RD-4700 10-Speed Rear Derailleur Tension & Guide Pulley Set

Shimano

Shimano Tiagra RD-4700 10-Speed Rear Derailleur Tension & Guide Pulley Set

$12.00 Full price
$12.00
Club price
$13.99 Full price
Aforge 038 Derailleur Hanger
16% Off Full Price

Wheels Manufacturing

Aforge 038 Derailleur Hanger

$25.00 Full price
$25.00
Club price
$29.99 Full price
Meta CNC Model 30 Alloy Derailleur Hanger - suits Bianchi, Canyon, Kona etc

Meta CNC

Meta CNC Model 30 Alloy Derailleur Hanger - suits Bianchi, Canyon, Kona etc

$35.00 Full price
$35.00
Club price
$39.00 Full price
Shimano Cues 10-Speed Rear Derailleur RD-U6020-10

Shimano

Shimano Cues 10-Speed Rear Derailleur RD-U6020-10

$70.00 Full price
$70.00
Club price
$73.99 Full price
Shimano Tourney FD-TY601-L3 3x6/7/8-Speed Top-Swing Front Derailleur
16% Off Full Price

Shimano

Shimano Tourney FD-TY601-L3 3x6/7/8-Speed Top-Swing Front Derailleur

$25.00 Full price
$25.00
Club price
$29.99 Full price
Sram X01/X01DH X-Sync Pulley Assembly

SRAM

Sram X01/X01DH X-Sync Pulley Assembly

$89.00 Full price
$89.00
Club price
$99.99 Full price
Meta CNC Model 35 Aviation Alloy Derailleur Hanger Silver

Meta CNC

Meta CNC Model 35 Aviation Alloy Derailleur Hanger Silver

$36.00 Full price
$36.00
Club price
$39.99 Full price
Shimano Altus FD-M2000-DS6 3x9-Speed Down-Swing Front Derailleur
16% Off Full Price

Shimano

Shimano Altus FD-M2000-DS6 3x9-Speed Down-Swing Front Derailleur

$25.00 Full price
$25.00
Club price
$29.99 Full price
Pilo Derailleur Hanger for Giant

Pilo

Pilo Derailleur Hanger for Giant

$45.00 Full price
$45.00
Club price
$49.99 Full price
Meta CNC Model 1 Derailleur Hanger - Suits various Kona, Marin, Norco, Fuji, Orbea, Merida, BMC, Diamondback

Meta CNC

Meta CNC Model 1 Derailleur Hanger - Suits various Kona, Marin, Norco, Fuji, Orbea, Merida, BMC, Diamondback

$31.00 Full price
$31.00
Club price
$35.00 Full price
Aforge Derailleur Hanger - 136 - WMFG 167

Wheels Manufacturing

Aforge Derailleur Hanger - 136 - WMFG 167

$45.00 Full price
$45.00
Club price
$49.99 Full price
MicroShift MEZZO FD-M22 Front Derailleur 3x7/8 Speed 48T-38T-28T

MicroShift

MicroShift MEZZO FD-M22 Front Derailleur 3x7/8 Speed 48T-38T-28T

$40.00 Full price
$40.00
Club price
$45.99 Full price
Meta CNC Model 49 Aviation Alloy Derailleur Hanger Silver

Meta CNC

Meta CNC Model 49 Aviation Alloy Derailleur Hanger Silver

$40.00 Full price
$40.00
Club price
$45.00 Full price
MicroShift Acolyte RD-M5185M Medium Cage Rear Derailleur 1x8 Speed Black

MicroShift

MicroShift Acolyte RD-M5185M Medium Cage Rear Derailleur 1x8 Speed Black

$79.00 Full price
$79.00
Club price
$80.95 Full price
PILO D716 Derailleur Hanger GT

Pilo

PILO D716 Derailleur Hanger GT

$45.00 Full price
$45.00
Club price
$49.99 Full price
Wheels Manufacturing Derailleur Hanger #289 Viper

Wheels Manufacturing

Wheels Manufacturing Derailleur Hanger #289 Viper

$65.00 Full price
$65.00
Club price
$69.99 Full price
Shimano XT RD-M8100 12-Speed Rear Derailleur Guide & Tension Pulley Set
15% Off Full Price

Shimano

Shimano XT RD-M8100 12-Speed Rear Derailleur Guide & Tension Pulley Set

$22.00 Full price
$22.00
Club price
$25.99 Full price
Shimano FD-M315 Atlus Front Derailluer 2 x 7/8 Speed Top-Swing For 36T

Shimano

Shimano FD-M315 Atlus Front Derailluer 2 x 7/8 Speed Top-Swing For 36T

$29.00 Full price
$29.00
Club price
$32.99 Full price
Derailleur Hanger DH05

Wheels Manufacturing

Derailleur Hanger DH05

$65.00 Full price
$65.00
Club price
$69.99 Full price
Aforge Derailleur Hanger - 094 - WMFG 065 - Specialized

Wheels Manufacturing

Aforge Derailleur Hanger - 094 - WMFG 065 - Specialized

$28.00 Full price
$28.00
Club price
$29.99 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
cm

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.
cm

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.

Most Popular Brands

5% BEST PRICE GUARANTEE

5% BEST PRICE GUARANTEE

We beat any price by 5%
CLICK AND COLLECT

CLICK AND COLLECT

Live stock availability
CLUB 99 MEMBERSHIP

CLUB 99 MEMBERSHIP

Exclusive club benefits
FREE SHIPPING OVER $149*

FREE SHIPPING OVER $149*

*Excluding bikes/bulky items

99 Bikes acknowledges the Traditional Custodians of the Land on which we live, work and ride, and pay respects to Elders past and present

Welcome Here
Australian Aboriginal Flag
Torres Strait Islander Flag
Acknowledgement flag