Internal Euro Bottom Bracket includes LH & RH threadedcups, bearings(4), tube spacer, cone spacers(2), & aluminum spacers.

- Bottom Bracket widths: 68mm

- Axle size:19mm 

- Installs with Park BBT-9 tool.

- The Internal Bearing BB allows you the narrowest Q-Factor (the distance between the pedals) as well as the ability set up your chainline as close to the centerline of the bicycle as possible.