Pro Taper Race Spec 420 Rear Sprocket

With the perfect balance of weight, strength and durability, ProTaper Race Spec aluminum rear sprockets have been precision CNC machined to the strictest of tolerances from the highest quality alloy that has been specially formulated for Offroad motorcycle sprockets. Laboratory designed by engineers to achieve maximum balance and optimization of key features like load distribution, reduction of unsprung rotating mass and tooth endurance result in a rear sprocket that is unparalleled in the market.

• Made of 7075-T6 Heat Treated Aluminum
• Precision CNC machined to strictest of tolerances
• CNC machined edge chamfers and inlay for subsurface ProTaper sticker location
• The exclusive design enhances durability and increases the sprocket/chain contact area by 40%, resulting in significantly increased sprocket life over other brands
• Deep penetrating anodized finish
• Engineer designed lightening window pattern to achieve optimum balance of weight and strength
• Exclusive ProTaper angled mud groove design every tooth on both sides which prevents dirt build up that leads to horsepower loss and sprocket wear
• Countersinks to concentrically locate sprocket regardless of hub center guide
• Made in the USA

Engineers designed this motorcycle sprocket in a laboratory to achieve maximum balance. It is made of heat-treated, high-quality aluminum alloy, precisely CNC-machined to the strictest of tolerances, and finished with deep penetrating anodization.