Brembo RCS19 GP Radial Brake w/ Folding Lever & 1" Clamp ONLY FOR 1" BARS (Harley/V-Twin Applications), 110.A897.10. *** THIS IS ONLY FOR 1" BAR APPLICATIONS --- HARLEY/V-TWIN MODELS *** Adjustable ratio 18/20 (choose between 19x18 or 19x20 configurations) -- Includes Folding Break-away Lever & Built in Brake Light Switch -- This is a Universal RACE Part. Brembo Parts are NOT bike Specific.