New Street Bike Products

If you're serious about corner-exit acceleration on your 675 Daytona or R, sprocket gearing is one of the highest-impact modifications you can make. This RK quick-acceleration kit delivers aggressive final-drive ratios that cut 0-60 times without...

If you're serious about extracting maximum acceleration from your S1000 RR, a properly geared drivetrain is non-negotiable. This RK Chain and Sprocket Kit delivers race-proven gearing and premium XW-ring sealed chain technology—the same components...

Stock gearing limits your S1000 RR's acceleration potential on the track or street. This RK Quick Acceleration kit replaces compromised OEM components with race-proven sprockets and a sealed chain engineered for both responsiveness and reliability...

When you're chasing lap times on the RSV-4 APRC, acceleration out of corners is everything. This RK Chain and Sprocket Kit is engineered specifically for quick acceleration, delivering shorter gearing that translates raw engine power into immediate...

If you're serious about lap times and acceleration, reducing rotating mass is non-negotiable. This RK 520 Aluminum Race kit delivers a one-tooth-smaller front sprocket paired with a lightweight 7075 T6511 rear sprocket, cutting parasitic weight and...

If you're serious about lap times and acceleration, reducing rotating mass is one of the most effective upgrades you can make to your ZX-10R. This RK 520 Aluminum Race kit cuts weight at the rear sprocket while delivering sharper throttle response and...

If you're chasing faster acceleration and quicker gear transitions on your GSX-R750, this RK 520 Aluminum Race kit delivers measurable performance gains by reducing rotating mass at the rear wheel. The one-tooth-smaller front sprocket sharpens your...

Shaving rotating mass from your drivetrain is one of the most effective ways to improve acceleration and throttle response on your YZF-R1. This RK 520 Aluminum Race Kit replaces your stock chain and sprockets with lightweight, race-spec components that...

Your chain and sprocket set are the critical link between your engine's power and the pavement—wear or degradation here kills acceleration, fuel efficiency, and handling precision. This RK OEM replacement kit restores your Kawasaki ZX-4RR to factory...

Over time, chain and sprocket wear is inevitable—but premature degradation robs you of throttle response and fuel efficiency while introducing safety risks on the road. This RK OEM replacement kit restores your Scrambler Desert Sled 803 to factory...

Quick acceleration performance demands the right gearing strategy, and this RK kit delivers the geometry your GSX-R1000R needs to cut faster lap times and sharper throttle response. The XW-ring sealed chain and premium steel sprockets work together to...

If you're serious about quarter-mile times and explosive off-the-line performance, gearing matters. The RK 520 Quick Acceleration Kit delivers the exact ratio optimization your GSX-R1000R needs to convert engine power into real-world acceleration gains...

Your chain and sprocket wear directly impacts throttle response, acceleration, and overall drivetrain efficiency on your CBR 600 RR. This OEM replacement kit restores factory gearing and power delivery without requiring re-tuning or secondary...

Your Kawasaki EX 500's chain and sprocket system endures constant stress—worn sprockets cause premature chain wear, reduce power transfer efficiency, and compromise safety. This RK OEM replacement kit restores your bike to factory specifications with...

Your ZX-6R's power delivery relies on a precisely matched chain and sprocket system—worn teeth translate directly to sluggish acceleration and lost lap times. This RK OEM Replacement Kit restores factory gearing geometry with premium case-hardened...

Chain and sprocket wear is one of the most common performance limiters on high-mileage sport bikes—and the ZX-10R is no exception. This RK OEM replacement kit restores factory gearing and responsiveness while using premium case-hardened steel that...

Your ZX-10R's power delivery depends on a drivetrain that can handle sustained performance without compromise. Over time, factory chain and sprocket wear reduces efficiency, throttle response, and acceleration—ultimately costing you lap time and...

Your chain and sprocket kit is the backbone of power delivery on the ZX-10R—wear and stretch rob you of throttle response, acceleration, and overall drivetrain efficiency. This OEM replacement kit restores the original gearing geometry and tension...

Your ZRX 1200's drivetrain takes a beating at high mileage, and a worn chain and sprocket kit robs you of power delivery and throttle response. This RK OEM replacement kit restores factory gearing while upgrading to premium C45 steel components that...

Your ZX14's chain and sprocket system is critical to translating engine power to the pavement—worn sprockets and chains rob you of efficiency and create dangerous slack in your drivetrain. This RK OEM replacement kit restores your bike to factory...