RLV Black Diamond 76T #219 One-Piece Sprocket - 7075-T6 Aluminum - LO206 / Yamaha

Maximizing power transfer to the rear axle of your kart requires precision-machined racing gear that won't deflect under heavy load. The RLV Black Diamond 76T #219 Sprocket delivers uncompromising durability and exact chain alignment for high-torque applications. Built for the grueling demands of competitive sprint racing, this one-piece sprocket is engineered from aerospace-grade 7075-T6 aluminum, providing the ultimate foundation for reliable power delivery session after session.

Optimizing Drive-Line Efficiency Beyond Clutch Assembly Upgrades

Many drivers focus solely on their engine build, but translating raw output into forward momentum requires a bulletproof drive-line. Whether you are running a high-revving 2-cycle or trying to maximize every ounce of briggs and stratton lo206 horsepower, this 76-tooth sprocket ensures zero energy is wasted. The proprietary Black Diamond hard-anodized coating drastically reduces chain friction, allowing your clutch assembly to engage smoothly and transfer torque instantaneously to the track surface without parasitic drag.

Consistent Performance: From Brake Discs to Rear Axle

Reliability is the cornerstone of any championship-winning chassis setup. Just as you depend on fade-free brake discs to dive deep into the apex, you need a rear sprocket that won't prematurely wear or warp under aggressive acceleration. The RLV Black Diamond series undergoes rigorous metallurgical treatments to withstand extreme temperatures and lateral loads. This means fewer thrown chains, zero mid-race mechanical failures, and a consistent gear mesh that lasts an entire season of hard racing.

Track-Tested Reliability Alongside Your Go Kart Tires

Your setup is only as strong as its weakest link. When your fresh go kart tires bite into the asphalt, the sudden shock-load travels directly through your chain and sprocket. The RLV 76T #219 sprocket is purpose-built to handle these violent torque spikes. Its precision-machined tooth profile guarantees that the chain rollers seat perfectly every time, preventing the micro-binding that causes premature wear. Equip your chassis with a sprocket designed for the podium.

• 7075-T6 Aerospace Aluminum: Yields exceptional tensile strength to resist bending during aggressive curb strikes.
• Black Diamond Hard Anodizing: Drastically reduces friction and extends tooth life far beyond standard aluminum sprockets.
• Precision #219 Pitch Profile: Ensures flawless chain engagement, minimizing rolling resistance and parasitic drag.
• Optimized 76-Tooth Count: Ideal for dialing in specific gear ratios for medium-to-short sprint tracks.
• Lightweight One-Piece Design: Reduces rotating mass on the axle without sacrificing structural integrity.
• Advanced Heat Dissipation: Maintains dimensional stability even when track temperatures soar during long mains.
• Universal Carrier Fitment: Mounts seamlessly to standard 6-bolt sprocket hubs for quick trackside gear changes.

Frequently Asked Questions

Q: Is this sprocket compatible with my #35 chain?

A: No. This is a #219 pitch sprocket. It is specifically designed for #219 racing chains. Please ensure your clutch and engine drive gear are also set up for #219 pitch to ensure proper engagement.

Q: How do I know if a 76T sprocket is the right size for my track?

A: Gearing is track-dependent. A 76T sprocket is generally used for medium-to-short sprint tracks. If you find your engine is hitting the rev limiter too early on the straights, you may need a smaller tooth count; if you are lacking acceleration out of corners, you may need a larger tooth count.

Q: Does this sprocket fit all standard kart axle hubs?

A: Yes, this sprocket features a universal 6-bolt pattern designed to mount seamlessly to standard racing kart sprocket carriers.

Q: How should I maintain my Black Diamond sprocket?

A: After each race day, inspect the teeth for signs of hooking or excessive wear. Clean the sprocket with a degreaser to remove track debris and apply a high-quality chain lubricant to the chain to minimize friction and extend the life of the hard-anodized coating.

Q: Why choose 7075-T6 aluminum over steel?

A: 7075-T6 aluminum offers an excellent strength-to-weight ratio. It significantly reduces rotating mass on your rear axle compared to steel, allowing for quicker acceleration and better throttle response, which is critical in classes like the LO206.

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