520-50T ALUMINUM REAR SPROCKET BLACK

Cleaning grooves added at the bottom of tooth area Exclusive tooth-valley design provides 50% better chain contact area for the best power transfer possible Hard anodized coating for added durability and a superb finish Constructed of high-quality, aerospace grade 7075 T-6 aluminum Computer-designed weight reduction holes for the best combination of lightness, strength, and stability Sunstar is the largest OEM and aftermarket supplier of motorcycle and ARV sprockets in the manufacturing world for very major Japanese motorcycle builder since 1946