Description
If you’re running a 520 chain on your dirt bike or adventure rig, sprocket wear directly impacts your power delivery and acceleration. The Renthal 51 Tooth Black TwinRing combines a lightweight aluminum core with a durable nickel-coated steel outer ring—outlasting all-aluminum alternatives by 3x while staying lighter than full-steel options. Self-cleaning mud grooves keep your drivetrain performing in harsh conditions, making this a smart upgrade for riders who demand reliability without compromise.
- Tooth Count: 51
- Chain Size: 520
- Inner Ring: Ultralight™ 7075 T-6 aluminum
- Outer Ring: Electro-less nickel-coated steel
- Design: TwinRing® with permanent bond
- Finish: Black
- Position: Rear
- Applications: Off-road, adventure touring, dual-sport, street
- Key Feature: Self-cleaning mud grooves
- Durability: 3x longer than all-aluminum
