The 918 Twinwall Yamaha YZ/YZF 2006 Bend Handlebars - Blue is part of the latest performance motocross and enduro hardware range from Renthal. . Renthal is a renowned manufacturer of high-performance motorcycle, motocross, enduro, trials and ATV components. Founded in 1969, Renthal has established itself as a leader in the industry, producing handlebars, grips, sprockets, and more. Their products are favoured by professional riders worldwide for their durability, precision engineering, and innovative design. . The Twinwall consists of two aluminium alloy tubes, one within the other. This design gives the handlebar additional strength and security. Making Twinwall bars the toughest motocross handlebar in the world! . Features: . Covered by: US Patent No. 6182528 & 5832785, GB Patent No. 2321225, US Design No. 431803 . The outer tube is made from 7010 T73 aluminium, which has extreme good resistance to mechanical damage and is anodised to prevent corrosion. . The inner tube is manufactured from an ultra high strength 7010 T6 aluminium which is hard anodised. . Every Twinwall comes with a Renthal injection molded foam bar pad. . Manufactured exclusively with in the Renthal Factory by Renthal manufacturing employees. . The Twinwall under goes a 29 step process that sees raw tubing come in and finished handlebars leave the factory. . Testing plays an important role during the development and production of each Renthal Handlebar. . Renthal and Racing go hand in hand. Renthal are proud to be in the hands of every racer, from 50cc mini riders to World Champions. . Manufacturer part number: 921-01 -BU-07-184 .