Tribal Bikes USA American Bottom Bracket 19mm Sealed

Description

US BB Size for 51mm shells and 19mm crank spindles.

Available in a range of colours: Black, bluem gold, red or silver.

Includes:

2 x Mid Bearings

2 x Coloured Alloy Adaptor Cups

1 x center spacer

2 x coloured dust covers

Selection of coloured spacers