Skip to Content

Which bottom bracket fits your bike?

Answer a few questions about your frame and crankset and find out which bottom bracket you need.

  1. 1 Shell type Smooth inside (press-fit)
  2. 2 Standard
  3. 3 Crankset
  4. 4 Bearing type
  5. 5 Colour
  6. 6 Your bottom bracket
Other shell type

2. Select the bottom bracket standard of your frame

You usually find this in the manual of your frame or in the technical specifications on the website of the bike or frame maker. Select the standard that matches your frame below.

A. Width of the shell

Measure the shell from its left to its right edge with a caliper.

B. Inner diameter of the shell

Measure the inner diameter of the shell with a caliper.

Pick what you measured; only sizes that lead to a standard are offered. 1 standard fits your measurements. standards fit your measurements.
BB30 Frame width 68 mm / 73 mm Inner diameter 42 mm
BB30A Frame width 73 mm Inner diameter 42 mm
BB86/BB92 Frame width 86.5 mm / 92 mm Inner diameter 41 mm
BB89 Frame width 89.5 mm Inner diameter 41 mm
BB386 Frame width 86.5 mm Inner diameter 46 mm
BB90 / BB95 Frame width 90.5 mm / 95 mm Inner diameter 37 mm
PF30 Frame width 68 mm / 73 mm Inner diameter 46 mm
PF30A Frame width 73 mm Inner diameter 46 mm
OSBB Frame width 61 mm Inner diameter 46 mm
BBright42 Frame width 79 mm Inner diameter 42 mm
BBright46 Frame width 79 mm Inner diameter 46 mm