Weld Racing 77MP510N75F RT-S S77 15x10 Forged Aluminum Black Beadlock Wheel Medium Pad 5x120mm

The Weld Racing RT-S S77 (77MP510N75F) is a 15x10.33-inch forged aluminum beadlock drag wheel engineered for serious street and strip performance. Featuring a medium mounting pad height, this wheel is built on Weld's proven three-piece modular construction using a forged billet aluminum center and cold-forged rim shells — the same technology trusted by championship-winning NHRA teams.

The classic S77 tuning fork spoke design reduces unsprung weight while maintaining the structural integrity demanded by high-horsepower applications. The integrated single beadlock ring secures the tire bead at the rim, enabling racers to run ultra-low tire pressures for maximum contact patch and traction off the line — without the risk of tire slip or debeading.

Key Features:

• Series: RT-S S77 — classic tuning fork multi-spoke design built for modern muscle
• Construction: 3-piece modular with forged billet center and cold-forged rim shells
• Diameter / Width: 15 in. x 10.33 in.
• Bolt Pattern: 5x120mm (5-lug)
• Backspace: 7.5 in.
• Pad Height: Medium pad — clears specific drum and multi-piston opposed calipers
• Beadlock: Single beadlock design for low tire pressure drag racing applications
• Finish: Matte black anodized center
• Includes: Matching center cap
• Certifications: Surpasses SFI 15.1 Drag Race Drive Wheel Specifications and SAE J2530 Aftermarket Wheel Standards
• Made in the USA — manufactured at Weld's 140,000 sq. ft. Kansas City, MO facility

Weld RT-S S77 wheels are engineered specifically for modern muscle cars and high-performance street machines, delivering the lightweight durability and race-proven design that has made Weld Racing a benchmark in drag racing for over 55 years. Sold individually.