This is a universal Brembo rear caliper. It will not fit most Japanese sportbikes without the appropriate adapter. 

– Billet aluminum rear caliper with 2x34mm pistons.
– 84mm fixing centers.
– Also available with bracket set for most Japanese sport bikes. 

This unit is a plug & play replacement for motorcycles equipped with OEM Brembo 84mm axially-mounted cast calipers.