JT Sprockets JTA890.45BLK Rear Aluminum Racing Sprocket 45 Tooth Black

The JT Sprockets JTA890.45BLK is a high-performance 45-tooth rear sprocket engineered for serious riders who demand race-proven durability without excess weight. Precision CNC machined from certified 7075-T6 Ergal aviation-grade aluminum alloy, this RaceLite sprocket delivers exceptional strength-to-weight ratio for both track and aggressive street applications.

Key Features:

• 7075-T6 Ergal aluminum alloy construction - the same material used in aerospace applications
• CNC machined to JT's exacting tolerances for perfect tooth profile and chain engagement
• RaceLite design reduces rotational mass for improved acceleration and handling response
• Black anodized finish for corrosion resistance and professional appearance
• 45-tooth configuration for optimized gearing ratio
• Engineered to withstand extreme pro-race conditions

JT Sprockets is a trusted name in motorcycle drivetrain components, supplying factory race teams and demanding riders worldwide. This rear sprocket provides the perfect balance of lightweight performance and long-term durability, making it ideal for sportbike riders, track day enthusiasts, and racers seeking every advantage.