Product Armrest Length 5 * Product Height (from handlebar to armrest) 3.5 -4.5 * Constructed of lightweight aluminum * Height and depth adjustable * Handgrips extend forward or back supinate pronate and are angle adjustable * Contoured armrest with a flexible edge * Includes hook and loop fastener straps to prevent arms from slipping * Choice of mounting positions - inside or outside of the handlebar for lateral adjustment Spacers are included for additional lateral range * E1399-1 E1399