Description
Every gram matters when you’re chasing lap times or maximizing acceleration on the strip. DRIVEN Racing’s 39-tooth rear sprocket delivers one of the lightest 520-chain options available without sacrificing the durability your engine demands. Built with proprietary EST Technology, this sprocket balances reduced rotational mass with extended service life—giving you the performance edge and reliability that separates winners from the rest.
- 39-tooth count
- 520-chain compatible
- Lightweight steel construction
- Proprietary EST Technology
- CNC-machined profile
- Black zinc semi-gloss finish
- Lowered surface design
- Reduces rotational weight
- Extended longevity
- MPN: 5063-520-39T
- Bolt-on installation
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