SUNSTAR WORKS TRIPLESTAR ALUMINUM REAR SPROCKETS (5-145738BK)
$129.95
- Constructed of the highest quality, aerospace grade 7075 T-6 aluminum.
- Computer designed weight reduction holes for lightness and stability.
- Exclusive tooth-valley design that provides 24% more chain contact area for the best power transfer possible.
- Extra thick hard anodized coating for added durability and a superb finish _x001a_ leads to 10-15% increase in sprocket life.