2 x Rear Wheel Brake Cylinder- 3/4" (1959-2000)Superior Quality. Rear brake cylinder (3/4" or 19mm bore) which was fitted to various models from 1959 to 2000 as listed: Mk1 850cc 1959-1964, Cooper 997cc 1961-1963, Mk2 and Mk3 1967-1977, 1275GT 1978-1980, all standard Mini models 1978-2000.