PZ Racing Triple Clamp Bracket Mount for ST500 Bracket mount for Start ST500 on triple clamp with perforated ring nut Deal Product details Product details PZ Racing Triple Clamp Bracket Mount for ST500 BM500S Bracket mount for Start ST500 on triple clamp with perforated ring nut.Compatible holes: from 12mm to 18mm Cod. BM500SIt is advisable to always ask for confirmation of availability and delivery times. The photo may not fully reflect the shape and model of the product.