JT SPROCKETS Rear Sprocket - Blue - 48 Tooth - Yamaha JTA251.48BLU

A worn or mismatched rear sprocket directly impacts acceleration, top-end speed, and overall drivetrain efficiency on your Yamaha. The JT Sprockets 48-tooth rear sprocket delivers the precision engineering and durability required for consistent performance, whether you're pushing hard on the track or logging miles on the street. Computer-designed for optimal strength-to-weight ratio, this sprocket is built to handle serious riding demands without sacrificing reliability.

JT's proven manufacturing process combines CNC precision with premium materials and heat treatment, ensuring your sprocket resists wear, maintains precise engagement with your chain, and delivers smooth power delivery lap after lap. Unlike budget alternatives, every JT sprocket is bead-blasted to reduce surface tension and stress concentration points—a detail that extends service life and prevents premature failure under load.

• 48-tooth rear sprocket
• Yamaha-specific fitment
• Blue anodized finish
• Heat-treated steel
• Computer-designed geometry
• Bead-blasted surface
• Bolt-on installation
• MPN: JTA251.48BLU
• OEM-quality construction
• Optimized strength-to-weight