Description
Brompton G Line JIS bottom bracket – for the Brompton spider crankset – excluding crank bolts.
Specification
Note: Not compatible with the older fixed crankset used on 16 inch wheel size Brompton folding bikes or the advanced superlight crankset used on the T Line
This Bottom Bracket is only compatible with the G Line 20 inch wheel size Brompton bike – though not the G Line Electric
The G Line has a 68mm bottom bracket shell the same as a standard Brompton, but with a longer spindle length
Size: JIS 123MM