Brompton factory part-numbers:-
QRSPRSTACK-BB1
Jul-10
Chainguard, sprocket, spacers, & circlip set, 12T for Brompton 1-speed These parts are only for the application shown
3.1mm 1.5mm 38mm O.D.
2.2mm
Brompton factory part-numbers:-
QRSPRSTACK-BB1
BROMPTON BB1 (12T)
Jul-10
Chainguard, sprocket, spacers, & circlip set, 12T for Brompton 1-speed These parts are only for the application shown
3.1mm 1.5mm 38mm O.D.
2.2mm
BROMPTON BB1 (12T)