Description
SUNSTAR SPROCKETS REAR SPROCKET YAM 520 41T, Steel
- Constructed of high-quality, aerospace grade 7075 T-6 aluminum
- Computer-designed weight reduction holes for lightness
- Exclusive tooth-valley design provides 24% better chain contact area for the best power transfer possible
- Finished with a clear anodized coating that adds durability and a superb finish
- Grooves added at bottom of tooth area
STEEL OEM REPLACEMENT REAR SPROCKETS
- Constructed of the highest quality 1045 high-carbon steel
- Exclusive heat treatment and quenching process for strength and durability
- Nearly all machines come equipped from the factory with this sprocket
- The strongest, longest lasting steel replacement sprocket available
POWERDRIVE COUNTERSHAFT SPROCKETS
- Constructed of the same great quality and specifications that the Japanese OEMs have trusted and used since 1946
- Manufactured from case-hardened chromoly steel for unparalleled strength and durability
- Most race applications feature drilled weight-reduction holes (depends on application/tooth size)
- Parkerizing surface treatment prohibits rust and corrosion, building resistance against those agents, resulting in a longer lasting, better appearance
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