Renthal Twinring Rear Sprocket - 520 Chain

The Renthal Twinring™ Rear Sprocket delivers exceptional durability and performance for serious riders. Combining lightweight aluminum with robust steel, this sprocket provides an optimal balance of strength and weight, ensuring long-lasting reliability on the track or trail.

Description

The Renthal Twinring™ Rear Sprocket features a high-strength 7075 T-6 aluminum inner ring, identical to Renthal's renowned Ultralight™ sprockets, minimizing weight without compromising strength. The outer ring is constructed from electro-less nickel-coated steel, maximizing durability and resistance to wear. Designed with minimal material, the steel outer ring maintains a low weight profile. The outer ring is thermally expanded at 200°C before being fitted over the inner ring, creating a permanent bond through an interference fit and wave pattern. Flat socket head screws further enhance the sprocket's strength, especially during side impacts, and prevent contact with the chain guide. Self-cleaning mud grooves between each tooth prevent dirt buildup, reducing chainwheel wear and maintaining optimal performance. This sprocket lasts three times longer than an all-aluminum sprocket while remaining significantly lighter than an all-steel sprocket, offering superior performance and longevity.

Features & highlights

• High-strength 7075 T-6 aluminum inner ring for reduced weight.
• Electro-less nickel-coated steel outer ring for ultimate durability.
• Interference fit and wave pattern ensure a permanent bond between rings.
• Flat socket head screws add strength and prevent chain guide contact.
• Self-cleaning mud grooves reduce dirt buildup and chain wear.
• Lasts 3x longer than aluminum, lighter than steel sprockets.

Technical specifications

• Brand: Renthal
• Product Name: Sprocket
• Mounting Position: Rear
• Chain Size: 520
• Tooth Count: 50
• Material: 7075-T6 Aluminum & Nickel-coated Steel
• Type: Drive
• Color/Finish: Black

Important to know

No specific requirements or limitations noted.

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