JT Rear Steel Sprocket 40 Tooth for 520 Chains – Compatible with Aprilia, Beta, BMW, Husqvarna

The JT JTR5.40 rear steel sprocket is designed for high-performance motorcycles using 520 chain systems. Crafted exclusively from premium Japanese 545C high carbon steel, this sprocket offers exceptional durability and strength. Each sprocket is heat-treated and hand-finished to meet or exceed original equipment manufacturer (OEM) standards, ensuring a reliable fit and long-lasting performance. With a 40-tooth configuration, it provides optimal gear engagement for smooth acceleration and efficient power transfer. Its construction allows it to last up to two or three times longer than mild steel or surface-hardened sprockets, making it a cost-effective upgrade for demanding riding conditions. The sprocket features a 530 chain pitch, compatible with various motorcycle brands including Aprilia, Beta, BMW, and Husqvarna, ensuring versatile application across different models.

Features:

• Top quality at economical prices

• Made exclusively from the finest Japanese 545C high carbon steel

• Heat treated and hand finished to meet or exceed OEM standards

• Outlasts mild steel or surface-hardened sprockets by two to three times

• OEM gearing includes 48 Tooth rear and 21 Tooth front sprockets

• All sprockets feature a 530 chain pitch