New Street Bike Products

If you're serious about extracting every ounce of performance from your S-1000-RR, reducing rotating mass is non-negotiable—and this RK 520 Aluminum Race Kit delivers exactly that. The combination of a lightweight 7075 T6 aluminum rear sprocket and a...

If you're serious about track performance on your S-1000RR, reducing rotating mass at the rear wheel is one of the highest-impact upgrades you can make. This kit delivers quicker acceleration and faster gear transitions by pairing a premium sealed racing...

Race-focused riders demand faster acceleration and quicker throttle response without compromising reliability. This RK 520 Aluminum Race Kit delivers exactly that by pairing a premium XW-ring sealed racing chain with lightweight 7075 T6511 aluminum rear...

A worn chain and sprocket kit directly impacts your ZX-4RR's acceleration, fuel efficiency, and overall drivetrain reliability. This OEM replacement kit restores factory performance characteristics while using premium case-hardened steel that handles...

Your GSX-R 1000R's original chain and sprocket set experiences measurable wear over time, leading to power loss, increased noise, and reduced fuel efficiency. This RK OEM Replacement Kit restores factory performance characteristics while delivering the...

Chain and sprocket wear is inevitable—but premature failure doesn't have to be. This RK OEM replacement kit restores your CBR300R to factory gearing and performance, using case-hardened steel components engineered to handle the demands of high-mileage...

Over time, chain and sprocket wear directly impacts your CBR 600 F4i's acceleration response, fuel efficiency, and overall drivetrain reliability. This OEM replacement kit restores your bike to factory performance specifications without guesswork about...

Your CBR 1000's drivetrain endures constant stress—worn chain and sprocket sets compromise acceleration response and create dangerous slack that threatens engine integrity. This RK OEM replacement kit restores factory-spec gearing and precision fit,...

A worn chain and sprocket kit robs your EX 250 of crisp acceleration and smooth power delivery. This RK OEM Replacement Kit restores factory performance characteristics while using premium case-hardened steel that withstands high-mileage demands better...

Chain and sprocket wear directly impacts throttle response, acceleration, and overall drivetrain efficiency—especially on high-mileage machines where stock components lose their edge. This RK OEM Replacement Kit restores factory gearing and performance...

Your ZX-10R's original chain and sprocket set experiences inevitable wear under aggressive riding—degraded sprockets cause power loss, increased noise, and chain slippage that compounds into catastrophic drivetrain failure. This RK OEM Replacement Kit...

Chain and sprocket wear is one of the most common failure points on high-mileage sport bikes, directly impacting acceleration response and overall drivetrain reliability. This RK OEM Replacement Kit restores your GSX-R600 to factory specifications with...

Your GSX-R600's chain and sprocket are the critical link between engine power and road grip—worn teeth or a stretched chain cost you acceleration, throttle response, and ultimately lap times. This RK OEM replacement kit restores factory gearing and...

Chain and sprocket wear is inevitable, but premature failure doesn't have to be. This RK OEM replacement kit restores your SV 650/S to factory-spec performance with premium C45 steel components that handle the demands of aggressive riding and...

Your GSX-R1000's chain and sprocket kit experiences wear faster than any other drivetrain component—especially at high RPMs where power delivery demands precision. This RK OEM Replacement Kit restores the exact gearing and engagement geometry your bike...

A worn chain and sprocket kit robs your GSX-R1000 of power delivery, throttle response, and fuel efficiency—and it's one of the most common maintenance items that riders overlook until performance suffers. This RK OEM replacement kit restores your bike...

Your YZF-R6/S demands a drivetrain that can translate engine power into immediate acceleration without compromise. RK's 520 Quick Acceleration Kit delivers race-proven gearing and durability engineered specifically for your bike, ensuring consistent...

If you're serious about acceleration performance on your YZF-R6, gear ratios matter—a lot. This RK Quick Acceleration Kit replaces stock sprockets with race-optimized gearing that delivers noticeably sharper throttle response and faster drive-off...

If you're chasing quicker acceleration and mid-range punch on your YZF-R1, a properly geared chain and sprocket kit is one of the most direct performance upgrades available. RK's Quick Acceleration Kit delivers proven race-specification components...

If you're serious about extracting every ounce of acceleration from your YZF-R1, gearing directly impacts your ability to hit peak RPMs and dominate off-the-line performance. This RK Quick Acceleration Kit replaces both chain and sprockets with...