Quick-action twist grip set from DOMINO / TOMMASELLI. Fits Aprilia SX, RX, Derbi Senda SM, R, Gilera RCR, SMT. This twist grip set can of course be used with any 22mm diameter handlebar and retrofitted to other mopeds, scooters, quads. Supplied as shown with fittings and DOMINO Grips (half-waffle).Exterior length: 151mm, Internal length: 120mm Ratio: 3.6 ° per millimeter. Total stroke: 74mm. Throttle Type: twist grip. Clamp: 22mm