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Derailleurs

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MicroShift R9 RD-R43M Medium Cage 9/10-Speed Rear MTB Derailleur 11-34T
32% Off Full Price Clearance

MicroShift

MicroShift R9 RD-R43M Medium Cage 9/10-Speed Rear MTB Derailleur 11-34T

Regular price $47.00 Full price
Sale price $47.00
Club price
Regular price $69.99 Full price
BBB Rollerboys Pulley Set 13T/13T Shimano 12 Speed

BBB

BBB Rollerboys Pulley Set 13T/13T Shimano 12 Speed

Regular price $39.00 Full price
Sale price $39.00
Club price
Regular price $44.90 Full price
Shimano FD-U4000 Cues Front Derailleur Low-Clamp 2x9/10 Speed Dual Pull

Shimano

Shimano FD-U4000 Cues Front Derailleur Low-Clamp 2x9/10 Speed Dual Pull

Regular price $32.00 Full price
Sale price $32.00
Club price
Regular price $34.99 Full price
Wheels Manufacturing Derailleur Hanger #19
27% Off Full Price Clearance

Wheelsman

Wheels Manufacturing Derailleur Hanger #19

Regular price $36.00 Full price
Sale price $36.00
Club price
Regular price $49.99 Full price
Wheels Manufacturing Derailleur Hanger #58 (Fuji/Raleigh)
23% Off Full Price Clearance

Wheelsmith

Wheels Manufacturing Derailleur Hanger #58 (Fuji/Raleigh)

Regular price $46.00 Full price
Sale price $46.00
Club price
Regular price $59.99 Full price
Wheels Manufacturing Derailleur Hanger #144
15% Off Full Price

Wheelsmith

Wheels Manufacturing Derailleur Hanger #144

Regular price $59.00 Full price
Sale price $59.00
Club price
Regular price $69.99 Full price
Wheels Manufacturing Derailleur Hanger #27

Wheelsman

Wheels Manufacturing Derailleur Hanger #27

Regular price $45.00 Full price
Sale price $45.00
Club price
Regular price $49.99 Full price
Pilo Hanger D16 - Kona, Marin, Norco, Orbea, Ironhorse (Dropout-25 / 52)

Pilo

Pilo Hanger D16 - Kona, Marin, Norco, Orbea, Ironhorse (Dropout-25 / 52)

Regular price $54.00 Full price
Sale price $54.00
Club price
Regular price $59.99 Full price
PILO Derailleur Hanger - D671 for NORCO
25% Off Full Price Clearance

Pilo

PILO D671 Derailleur Hanger for Norco

Regular price $52.00 Full price
Sale price $52.00
Club price
Regular price $69.99 Full price
SRAM X3 8 Speed Rear Derailleur
32% Off Full Price

SRAM

SRAM X3 8 Speed Rear Derailleur

Regular price $45.00 Full price
Sale price $45.00
Club price
Regular price $52.99 Full price
SRAM Derailler-RR 10S X5 LG
22% Off Full Price

SRAM

SRAM Derailler-RR 10S X5 LG

Regular price $109.00 Full price
Sale price $109.00
Club price
Regular 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
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

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99 Bikes has a wide range of front and rear derailleurs to fit every bike. When it comes time to replace a damaged or worn out derailleur shop in-store or online for the best range and best prices in New Zealand. 99 Bikes has your road, mountain and commuter bike covered with a range of front derailleurs, rear derailleurs and pulley wheels to keep your bike running smoother for longer.