Description
If you’re running a 520 chain setup and demand sprocket durability without sacrificing weight, the Renthal Twinring 50-tooth rear sprocket delivers the engineering to back it up. The hybrid construction—7075 T-6 aluminum inner ring bonded with an electro-less nickel-coated steel outer ring—outlasts all-aluminum alternatives by 3x while staying lighter than solid steel options. Whether you’re pushing hard on the track or tackling demanding terrain, this sprocket resists wear and maintains consistent performance when it counts.
Key Performance Features:
- Permanent thermal bond at 200°C
- Self-cleaning mud grooves
- Flat socket head screws
- 3x lifespan vs. all-aluminum
- Minimal weight penalty
Technical Specifications:
- Tooth Count: 50
- Chain Size: 520
- Inner Ring: Ultralight™ 7075 T-6 aluminum
- Outer Ring: Electro-less nickel-coated steel
- Color: Black
- MPN: 1230-520-50GPBK
