BSA Gearbox Inspection Cover - Swinging Arm A and B Group + 4 Speed C Group Models
Correct fitment on A7, A10, B31, B33 swinging arm models + C10L, C11G and C12 models circa 1954-62.
Overall width: 2+1/2" (63.8mm)
Overall height: 2+1/4" (57.9mm)
Between top/bottom fixing hole centres: 2+1/16" (52mm)
Between left/right fixing hole centres: 1+13/16(46mm)
Made in England