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Bottom Brackets

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Shimano 105 BB-5500 Bottom Bracket Unit 68x109mm

Shimano

Shimano 105 BB-5500 Bottom Bracket Unit 68x109mm

Regular price $79.00 Full price
Sale price $79.00
Club price
Regular price $89.99 Full price
Shimano Deore XT Threaded Bottom Bracket 68/73mm

Shimano

Shimano Deore XT Threaded Bottom Bracket 68/73mm

Regular price $49.00 Full price
Sale price $49.00
Club price
Regular price $54.99 Full price
Race Face Bottom Bracket Bb92 W/Extra Seal 41mm x 30mm ID For Cinch Cranks

Race Face

Race Face Bottom Bracket Bb92 W/Extra Seal 41mm x 30mm ID For Cinch Cranks

Regular price $94.00 Full price
Sale price $94.00
Club price
Regular price $99.90 Full price
SRAM DUB BB92 89-92mm Pressfit MTB Bottom Bracket

SRAM

SRAM DUB BB92 89-92mm Pressfit MTB Bottom Bracket

Regular price $90.00 Full price
Sale price $90.00
Club price
Regular price $106.99 Full price
Shimano MT501 Threaded Bottom Bracket 68 x 73mm

Shimano

Shimano MT501 Threaded Bottom Bracket 68 x 73mm

Regular price $29.00 Full price
Sale price $29.00
Club price
Regular price $34.99 Full price
SRAM GXP Bottom Bracket English Thread 73 x 68mm

SRAM

SRAM GXP Bottom Bracket English Thread 73 x 68mm

Regular price $80.00 Full price
Sale price $80.00
Club price
Regular price $94.99 Full price
SRAM GXP Pressfit MTB Bottom Bracket 09A English 92mm

SRAM

SRAM GXP Pressfit MTB Bottom Bracket 09A English 92mm

Regular price $90.00 Full price
Sale price $90.00
Club price
Regular price $106.99 Full price
SRAM GCP Pressfit MTB Bottom Bracket 92mm

SRAM

SRAM GCP Pressfit MTB Bottom Bracket 92mm

Regular price $90.00 Full price
Sale price $90.00
Club price
Regular price $106.99 Full price
Shimano XT MT800 Bottom Bracket 68-73mm
Clearance

Shimano

Shimano XT MT800 Bottom Bracket 68-73mm

Regular price $95.00 Full price
Sale price $95.00
Club price
Regular price $124.99 Full price
SRAM DUB 68-73mm English BSA Threaded MTB Bottom Bracket

SRAM

SRAM DUB 68-73mm English BSA Threaded MTB Bottom Bracket

Regular price $90.00 Full price
Sale price $90.00
Club price
Regular price $99.99 Full price
Shimano Bottom Bracket Deore MT500 Press Fit MTB

Shimano

Shimano Bottom Bracket Deore MT500 Press Fit MTB

Regular price $25.00 Full price
Sale price $25.00
Club price
Regular price $29.99 Full price
Shimano BB71 Press-fit MTB Bottom Bracket

Shimano

Shimano BB71 Press-fit MTB Bottom Bracket

Regular price $33.00 Full price
Sale price $33.00
Club price
Regular price $39.99 Full price
Shimano BB-UN300 Square Type Bottom Bracket 73x122.5mm

Shimano

Shimano BB-UN300 Square Type Bottom Bracket 73x122.5mm

Regular price $27.00 Full price
Sale price $27.00
Club price
Regular price $29.99 Full price
Shimano BB-UN300 Square Type Bottom Bracket 68x118mm

Shimano

Shimano BB-UN300 Square Type Bottom Bracket 68x118mm

Regular price $25.00 Full price
Sale price $25.00
Club price
Regular price $29.99 Full price
Shimano BB-UN300 Square Type Bottom Bracket 68x113mm

Shimano

Shimano BB-UN300 Square Type Bottom Bracket 68x113mm

Regular price $25.00 Full price
Sale price $25.00
Club price
Regular price $29.99 Full price
Shimano BB-UN300 Square Type Bottom Bracket 68x115mm

Shimano

Shimano BB-UN300 Square Type Bottom Bracket 68x115mm

Regular price $27.00 Full price
Sale price $27.00
Club price
Regular price $34.99 Full price
Shimano BB Unit Ht2 Ult-R60 68/73mm

Shimano

Shimano BB Unit Ht2 Ult-R60 68/73mm

Regular price $42.00 Full price
Sale price $42.00
Club price
Regular price $49.99 Full price
Shimano BB-UN300 Square Type Bottom Bracket 68x122.5mm

Shimano

Shimano BB-UN300 Square Type Bottom Bracket 68x122.5mm

Regular price $25.00 Full price
Sale price $25.00
Club price
Regular price $29.99 Full price
Shimano BB-UN300 Square Type Bottom Bracket 68x110mm

Shimano

Shimano BB-UN300 Square Type Bottom Bracket 68x110mm

Regular price $25.00 Full price
Sale price $25.00
Club price
Regular price $29.99 Full price
Shimano SM-BB72 Press-fit 41mm Road Bottom Bracket

Shimano

Shimano SM-BB72 Press-fit 41mm Road Bottom Bracket

Regular price $39.00 Full price
Sale price $39.00
Club price
Regular price $49.99 Full price
Shimano BB-UN300 Square Type Bottom Bracket 68x127.5mm

Shimano

Shimano BB-UN300 Square Type Bottom Bracket 68x127.5mm

Regular price $23.00 Full price
Sale price $23.00
Club price
Regular price $29.99 Full price
Shimano BB-UN300 Square Type Bottom Bracket 68x107mm

Shimano

Shimano BB-UN300 Square Type Bottom Bracket 68x107mm

Regular price $25.00 Full price
Sale price $25.00
Club price
Regular price $29.99 Full price
Shimano Bottom Bracket RS500 Tiagra Road Press-Fit

Shimano

Shimano Bottom Bracket RS500 Tiagra Road Press-Fit

Regular price $23.00 Full price
Sale price $23.00
Club price
Regular price $27.99 Full price
Shimano BB Unit H2 Presfit Xt-Mt800 89.5/92

Shimano

Shimano BB Unit H2 Presfit Xt-Mt800 89.5/92

Regular price $57.00 Full price
Sale price $57.00
Club price
Regular price $67.99 Full price
Shimano BB-RS501 Bottom Bracket Right & Left Adaptors BSA Bearing

Shimano

Shimano BB-RS501 Bottom Bracket Right & Left Adaptors BSA Bearing

Regular price $28.00 Full price
Sale price $28.00
Club price
Regular price $35.99 Full price
Shimano BB-UN300 Square Type Bottom Bracket 73x118mm

Shimano

Shimano BB-UN300 Square Type Bottom Bracket 73x118mm

Regular price $25.00 Full price
Sale price $25.00
Club price
Regular price $29.90 Full price

Shimano

Shimano ES300 Octalink Bottom Bracket 68/113

Regular price $33.00 Full price
Sale price $33.00
Club price
Regular price $39.99 Full price
SRAM Dub BSA E-Type Bottom Bracket Superboost+ 73mm

SRAM

SRAM Dub BSA E-Type Bottom Bracket Superboost+ 73mm

Regular price $96.00 Full price
Sale price $96.00
Club price
Regular price $106.99 Full price
Race Face X-Type Bottom Bracket Team

Race Face

Race Face X-Type Bottom Bracket Team

Regular price $80.00 Full price
Sale price $80.00
Club price
Regular price $84.90 Full price
Shimano Alivio BB-ES300 Hollow Type Bottom Bracket 73 x 118mm

Shimano

Shimano Alivio BB-ES300 Hollow Type Bottom Bracket 73 x 118mm

Regular price $33.00 Full price
Sale price $33.00
Club price
Regular price $39.99 Full price
Shimano ES300 Bottom Bracket 73x113mm

Shimano

Shimano ES300 Bottom Bracket 73x113mm

Regular price $33.00 Full price
Sale price $33.00
Club price
Regular price $39.99 Full price
Shimano Ultegra Bottom Bracket

Shimano

Shimano Ultegra Bottom Bracket

Regular price $42.00 Full price
Sale price $42.00
Club price
Regular price $49.99 Full price
Shimano BB91 Press Fit Bottom Bracket 42mm
Clearance

Shimano

Shimano BB91 Press Fit Bottom Bracket 42mm

Regular price $53.00 Full price
Sale price $53.00
Club price
Regular price $69.99 Full price
SRAM BB Unit BB30
16% Off Full Price

SRAM

SRAM BB Unit BB30

Regular price $80.00 Full price
Sale price $80.00
Club price
Regular price $94.99 Full price
Truvativ GXP Team Pressfit Specialized Bottom Bracket
Clearance

Truvativ

Truvativ GXP Team Pressfit Specialized Bottom Bracket

Regular price $64.00 Full price
Sale price $64.00
Club price
Regular price $84.99 Full price
SRAM Bottom Bracket Powerspline 68E/73x118mm

SRAM

SRAM Bottom Bracket Powerspline 68E/73x118mm

Regular price $64.00 Full price
Sale price $64.00
Club price
Regular price $70.99 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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For the we suggest the following size.

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Inseam: --
Adjusted Height: --

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99 Bikes has a wide range of bottom brackets to fit every bike. Whether you want to change your entire crankset, fit that annoying creak or are just doing some routine maintenance 99 Bikes has the best range of bottom brackets at New Zealand's best prices.