The RAM-B-309-1 (single 1" ball) and
RAM-B-309-2 (double 1" ball) mount bases are part of
the RAM 309 Clutch/Brake Motorcycle Family. These bases connect
to your handlebar clutch/brake clamp, left or right side,
and holds one or two 1" diameter mounting balls. The
base fits the control clamps on your motorcycle with 40mm
x 6mm stainless steel hardware, provided in the kit.