Handlebar Extensions, Universal Balancers These handlebar end balancers can be used to mount our bar end mirrors or lever guards without making any modifications to the controls. The counterweights extend the surface of the handlebar by 20mm on each side and make it easy to mount LSL accessories. It must be ensured that the handlebar is hollow and has an internal diameter of 15 to 18mm. The fastening takes place via a robust brass retractor which is much more resistant than normal rubber fastenings. Accessory compatible with most handlebars with an external diameter of 1" (25.4mm). Main characteristics: fixing surface inside the handlebar from 14 to 18mm length of the external part of the counterweight 20mm width of the counterweight (the part where the mirror is to be fixed) 25 ,4mm Sold in pairs.