• Now comes with coloured bearing covers/spacers just the US Hop Up kits.

• Kit comprises: Two Profile American BB bearings without cups - can also be used as replacement bearings in any American (old style/large) BB frame. Tube spacer. 2 coloured bearings covers/spacers.

• For use with 19mm crank spindles only.

• For use with "Mid" bottom bracket frames. If you aren't sure which BB you need just ask us!

Bottom Bracket includes:
Bearings (2)
Tube spacer (1)
Colour anodised cones (2)
5mm Tube spacer (1)
1/8′ Thick spacer (1)
1/16′ Thin spacer (1)

Colours: Polished, Black, Red, Blue, Gold, Green, Purple.

Weight: 165g/5.78 oz