Renthal Parts

Renthal — The Benchmark in Handlebars, Chains & Gearing

### Brand Heritage & Championship Pedigree Founded in 1969 by enthusiastic motorcycle riders and precision engineers Andrew Renshaw and Henry Rosenthal in Manchester, England, Renthal derives its world-famous name from the combination of its founders' surnames ('Ren' and 'Thal'). From modest beginnings crafting aluminum trials handlebars, Renthal has grown into the undisputed global leader in motocross, supercross, and off-road control components. Renthal handlebars, grips, and sprockets have captured over 240 World Championship titles and more than 200 AMA National Motocross and Supercross championships—a record unmatched by any other component manufacturer in history.

Headquartered in a specialized manufacturing and R&D facility in Bredbury, England, Renthal oversees every aspect of production in-house. Renthal pioneered the use of high-strength aerospace aluminum alloys in motorcycle handlebars, transforming the industry from heavy, bendable steel bars to precision-engineered, fatigue-resistant aluminum steering systems. Today, Renthal is the factory-fitted original equipment supplier to elite motorcycle manufacturers including Honda, Kawasaki, Suzuki, and KTM.

• Twinwall 1-1/8" Handlebars: Patented dual-tube architecture combining a 7304-T6 outer tube with a 7010-T6 inner tube for maximum structural strength and controlled impact flex (featuring the popular 997 Stewart/Villopoto bend).
• Fatbar 1-1/8" Handlebars: Unbraced, computer-tapered 7010-T6 aerospace aluminum handlebars designed for optimal shock absorption, reduced arm pump, and fatigue reduction.
• 7/8" Standard Handlebars: Classic crossbraced aluminum handlebars crafted from Renthal's exclusive 7010-T6 alloy for traditional 7/8-inch clamp mounts.
• DuPont Kevlar Infused Grips: World-renowned half-waffle and full-diamond grips infused with millions of microscopic Kevlar aramid particles for maximum tackiness and triple the lifespan of standard grips.
• R1 Works 520 Non O-Ring Chains: Ultralight, shot-peened alloy steel competition racing chains delivering maximum power transfer and 7,644 lbs tensile strength.
• Twinring Hybrid Rear Sprockets: Patented bi-metal sprockets combining a case-hardened nickel-coated steel outer tooth ring with a CNC-machined 7075-T6 aluminum inner carrier.
• Ultralight 7075-T6 Aluminum Rear Sprockets: Precision CNC-machined lightweight racing sprockets with angled self-cleaning mud grooves.

### How Renthal Outperforms Stock OEM Components 1. Handlebar Strength & Damping: Standard OEM handlebars often use generic 6000-series aluminum or low-spec steel that bends easily in tip-overs and transmits harsh high-frequency vibrations into the rider's arms. Renthal's exclusive 7010-T6 alloy provides 30% higher tensile strength and superior elastic memory, absorbing braking bump chatter while maintaining steering precision. 2. Hybrid Sprocket Longevity: Standard 100% aluminum sprockets wear out rapidly in sand and mud, while solid steel sprockets add substantial rotating unsprung weight. The Renthal Twinring solves this by using a case-hardened steel outer ring that outlasts aluminum sprockets by up to 300%, mounted to a lightweight aluminum core that keeps unsprung mass low. 3. Kevlar Grip Compound: Standard soft grips wear out in just a few rides, while hard grips cause severe arm pump and blistering. Renthal's Kevlar resin matrix provides an ultra-plush, vibration-damping feel that outlasts conventional soft grips by up to three times.

### Manufacturing Precision & Quality Control Renthal subjects every production run to rigorous quality control protocols. Their handlebars undergo 15-step anodizing baths, automated shot-peening to induce compressive surface stress, and 100% optical inspection for wall thickness uniformity. Renthal chains and sprockets are engineered with proprietary tooth radiuses and induction-hardened pins that eliminate friction, prevent premature elongation, and guarantee seamless power transfer.

• Handlebar Clamping: Always torque Renthal 1-1/8" handlebar clamps evenly in a cross-pattern to 20-25 Nm. Ensure controls are torqued lightly (5-8 Nm) so perches rotate during a crash rather than bending the bar or snapping levers.
• Chain Slack: Maintain 50-55mm of chain slack measured from the center of the swingarm slider. Clean with a soft nylon brush and lubricate with Renthal Chain Lube after every wash.
• Sprocket Replacement: Always replace your front countershaft sprocket and rear sprocket simultaneously when installing a new chain to prevent premature tooth hooking and chain wear.

Frequently Asked Questions