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Bottom Brackets

Pressfit Bottom Brackets

Threaded Bottom Brackets

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Shimano BB-UN300 Square Type Bottom Bracket 68x110mm
16% Off Full Price

Shimano

Shimano BB-UN300 Square Type Bottom Bracket 68x110mm

$25.00 Full price
$25.00
Club price
$29.99 Full price
Shimano Deore XT Threaded Bottom Bracket 68/73mm

Shimano

Shimano Deore XT Threaded Bottom Bracket 68/73mm

$49.00 Full price
$49.00
Club price
$54.99 Full price
Shimano Bottom Bracket RS500 Tiagra Road Press-Fit
17% Off Full Price

Shimano

Shimano Bottom Bracket RS500 Tiagra Road Press-Fit

$23.00 Full price
$23.00
Club price
$27.99 Full price
SRAM DUB BB92 89-92mm Pressfit MTB Bottom Bracket
15% Off Full Price

SRAM

SRAM DUB BB92 89-92mm Pressfit MTB Bottom Bracket

$90.00 Full price
$90.00
Club price
$106.99 Full price
Shimano MT501 Threaded Bottom Bracket 68 x 73mm
27% Off Full Price

Shimano

Shimano MT501 Threaded Bottom Bracket 68 x 73mm

$29.00 Full price
$29.00
Club price
$39.99 Full price
SRAM GXP Bottom Bracket English Thread 73 x 68mm
15% Off Full Price

SRAM

SRAM GXP Bottom Bracket English Thread 73 x 68mm

$80.00 Full price
$80.00
Club price
$94.99 Full price
SRAM GCP Pressfit MTB Bottom Bracket 92mm
15% Off Full Price

SRAM

SRAM GCP Pressfit MTB Bottom Bracket 92mm

$90.00 Full price
$90.00
Club price
$106.99 Full price
SRAM DUB 68-73mm English BSA Threaded MTB Bottom Bracket

SRAM

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

$90.00 Full price
$90.00
Club price
$99.99 Full price
Shimano Bottom Bracket Deore MT500 Press Fit MTB
16% Off Full Price

Shimano

Shimano Bottom Bracket Deore MT500 Press Fit MTB

$25.00 Full price
$25.00
Club price
$29.99 Full price
Shimano BB71 Press-fit MTB Bottom Bracket
17% Off Full Price

Shimano

Shimano BB71 Press-fit MTB Bottom Bracket

$33.00 Full price
$33.00
Club price
$39.99 Full price
Shimano BB-UN300 Square Type Bottom Bracket 68x118mm
16% Off Full Price

Shimano

Shimano BB-UN300 Square Type Bottom Bracket 68x118mm

$25.00 Full price
$25.00
Club price
$29.99 Full price
Shimano BB-UN300 Square Type Bottom Bracket 68x113mm
16% Off Full Price

Shimano

Shimano BB-UN300 Square Type Bottom Bracket 68x113mm

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

Shimano

Shimano BB-UN300 Square Type Bottom Bracket 68x115mm

$27.00 Full price
$27.00
Club price
$29.99 Full price
Shimano BB Unit Ht2 Ult-R60 68/73mm
15% Off Full Price

Shimano

Shimano BB Unit Ht2 Ult-R60 68/73mm

$42.00 Full price
$42.00
Club price
$49.99 Full price
Shimano BB-UN300 Square Type Bottom Bracket 68x122.5mm
16% Off Full Price

Shimano

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

$25.00 Full price
$25.00
Club price
$29.99 Full price
Shimano SM-BB72 Press-fit 41mm Road Bottom Bracket
21% Off Full Price

Shimano

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

$39.00 Full price
$39.00
Club price
$49.99 Full price
Shimano BB-UN300 Square Type Bottom Bracket 68x127.5mm
23% Off Full Price

Shimano

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

$23.00 Full price
$23.00
Club price
$29.99 Full price
Shimano BB-UN300 Square Type Bottom Bracket 68x107mm
16% Off Full Price

Shimano

Shimano BB-UN300 Square Type Bottom Bracket 68x107mm

$25.00 Full price
$25.00
Club price
$29.99 Full price
Shimano SM-BB72 Press-fit 41mm Road Bottom Bracket
23% Off Full Price

Shimano

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

$35.00 Full price
$35.00
Club price
$45.99 Full price
Shimano BB-UN300 Square Type Bottom Bracket 73x118mm
16% Off Full Price

Shimano

Shimano BB-UN300 Square Type Bottom Bracket 73x118mm

$25.00 Full price
$25.00
Club price
$29.90 Full price
29% Off Full Price Clearance

Shimano

Shimano ES300 Octalink Bottom Bracket 68/113

$28.00 Full price
$28.00
Club price
$39.99 Full price
Shimano Ultegra Bottom Bracket
49% Off Full Price Clearance

Shimano

Shimano Ultegra Bottom Bracket

$25.00 Full price
$25.00
Club price
$49.99 Full price
Shimano Alivio BB-ES300 Hollow Type Bottom Bracket 73 x 118mm
17% Off Full Price

Shimano

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

$33.00 Full price
$33.00
Club price
$39.99 Full price
Shimano ES300 Bottom Bracket 73x113mm
37% Off Full Price Clearance

Shimano

Shimano ES300 Bottom Bracket 73x113mm

$25.00 Full price
$25.00
Club price
$39.99 Full price
Shimano Bottom Bracket Unit SPL-9mm 68x126E ES300
42% Off Full Price Clearance

Shimano

Shimano Bottom Bracket Unit SPL-9mm 68x126E ES300

$23.00 Full price
$23.00
Club price
$39.99 Full price
SRAM BB Unit BB30
32% Off Full Price

SRAM

SRAM BB Unit BB30

$80.00 Full price
$80.00
Club price
$94.99 Full price
Truvativ GXP Team Pressfit Specialized Bottom Bracket
24% Off Full Price Clearance

Truvativ

Truvativ GXP Team Pressfit Specialized Bottom Bracket

$64.00 Full price
$64.00
Club price
$84.99 Full price
Modus BC73 Square Taper Sealed Cartridge Bottom Bracket 68x127.5mm
33% Off Full Price

Modus

Modus BC73 Square Taper Sealed Cartridge Bottom Bracket 68x127.5mm

$18.00 Full price
$18.00
Club price
$26.99 Full price
Shimano ES300 Bottom Bracket 73x126mm
17% Off Full Price

Shimano

Shimano ES300 Bottom Bracket 73x126mm

$33.00 Full price
$33.00
Club price
$39.99 Full price
Modus Cartridge Bottom Bracket 68 x 124.5mm BC73

Modus

Modus Cartridge Bottom Bracket 68 x 124.5mm BC73

$25.00 Full price
$25.00
Club price
$27.99 Full price
SRAM BB Bearing Adjuster BB30/Pressfit 30
20% Off Full Price

SRAM

SRAM BB Bearing Adjuster BB30/Pressfit 30

$167.00 Full price
$167.00
Club price
$209.99 Full price
Shimano ES300 Hollow-Type Bottom Bracket 68mm x 126mm
42% Off Full Price Clearance

Shimano

Shimano ES300 Hollow-Type Bottom Bracket 68mm x 126mm

$23.00 Full price
$23.00
Club price
$39.99 Full price
Shimano ES300 Bottom Bracket 68 x 121mm
52% Off Full Price Clearance

Shimano

Shimano ES300 Bottom Bracket 68 x 121mm

$19.00 Full price
$19.00
Club price
$39.99 Full price
Shimano 105 BB-5500 Bottom Bracket Unit 68x109mm
36% Off Full Price

Shimano

Shimano 105 BB-5500 Bottom Bracket Unit 68x109mm

$79.00 Full price
$79.00
Club price
$89.99 Full price
Shimano SM-BB71 Bottom Bracket Press Fit MTB 83mm
41% Off Full Price Clearance

Shimano

Shimano SM-BB71 Bottom Bracket Press Fit MTB 83mm

$29.00 Full price
$29.00
Club price
$49.99 Full price
SRAM BB PRESSFIT 30 68/92mm BB30A
15% Off Full Price

Truvativ

SRAM BB PRESSFIT 30 68/92mm BB30A

$84.00 Full price
$84.00
Club price
$99.99 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
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Inseam: --
Adjusted Height: --

Find Your Size

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Recommended sizes will now be highlighted on the page.

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.
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