M20/21 SINGLE SPRING CLUTCH

Also known as the AA clutch.

CLUTCH CENTRE AA TYPE

15-4306

AA CLUTCH STEEL PLATE INTERNAL LIPS

15-4307

Outer diameter 126,3mm, Inner 86mm, inside lips 77,6mm
Need 3 of these per bike. AA clutch = central spring clutch.
For external lip plates see 66-3812

CENTRAL CLUTCH NUT

15-4312

Clutch nut M20. This is the central nut in many BSA’s and it has often been hammered!

GASKET UNDER BOWLERHAT

15-4316

Gasket for the central clutch cover

CLUTCH PUSH ROD M20 LATE

66-3067

Length 32,3cm x 1/4"
Old number 15-4261 (shorter)

STEEL PLATE AA CLUTCH EXTERNAL LIPS

66-3812

Outer diameter including lips 132,6mm, inner diameter 90mm, lips 9mm wideFor internal lips see 15-4307
Need 4 of these per bike.
AA clutch = central spring clutch.

AA CLUTCH DRUM

68-3809

NEW

Brand new clutch housing for the single spring clutch. Impressive quality. British Made.