Renthal Twinring™ Rear Sprocket - 48 Tooth - Blue | Part Number 2240-520-48GPBU

The Renthal Twinring™ Rear Sprocket features a high-strength design crafted from Ultralight™ 7075 T-6 aluminum, ensuring lightweight performance without sacrificing durability. The outer ring is constructed from electro-less nickel coated steel, providing maximum durability and resistance to wear, making it suitable for demanding riding conditions. The sprocket’s innovative manufacturing process involves expanding the steel outer ring at 200°C and fitting it over the aluminum inner ring, creating a permanent interference fit combined with a wave pattern for a secure, long-lasting bond. This design guarantees that the sprocket maintains integrity over prolonged use, even under intense side impacts.
The flat socket head screws enhance structural strength during aggressive riding and prevent contact with the chain guide, reducing potential damage. Additionally, the sprocket incorporates self-cleaning mud grooves between each tooth, which help prevent dirt accumulation, minimize chain wear, and lower overall weight.
Compared to standard all-aluminum sprockets, the Renthal Twinring™ lasts approximately three times longer, offering exceptional longevity while remaining significantly lighter than all-steel counterparts. This combination of durability and weight savings makes it an ideal choice for riders seeking reliable performance and extended gear life in a premium rear sprocket.

Features:

• Constructed from Ultralight™ 7075 T-6 aluminum for strength and reduced weight

• Electro-less nickel coated steel outer ring for enhanced durability

• Manufactured with interference fit and wave pattern for a permanent bond

• Flat socket head screws provide additional strength and prevent contact with chain guide

• Self-cleaning mud grooves reduce dirt buildup, wear, and weight