Description
Rear sprocket selection directly impacts your bike’s acceleration, top speed, and chain longevity—making durability and weight critical factors in performance. The Renthal Twinring 50T combines a lightweight 7075 T-6 aluminum core with a hardened steel outer ring, delivering three times the lifespan of conventional aluminum sprockets without the weight penalty of all-steel alternatives. Self-cleaning mud grooves and reinforced flat socket screws ensure consistent performance in demanding conditions while minimizing maintenance downtime.
- Tooth Count: 50T
- Chain Size: 520
- Finish: Black
- MPN: 2240-520-50GPBK
- Inner Ring: Ultralight 7075 T-6 aluminum
- Outer Ring: Electro-less nickel-coated steel
- Bond Method: Thermal interference fit
- Durability: 3x longer-lasting
- Weight: Lighter than steel
- Self-Cleaning: Mud groove design
- Hardware: Flat socket head screws
- Installation: Bolt-on replacement
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