Weld Racing 71LB-504B25A RT-S S71 Forged Aluminum Drag Wheel 15x4 5x4.75 Black Anodized

The Weld Racing RT-S S71 (71LB-504B25A) is a 15" x 4" forged aluminum drag wheel finished in black anodize, featuring a 5 x 4-3/4" (5x120.65mm) bolt circle and 2.50" backspacing. Engineered for serious drag racing applications, this front runner wheel brings Weld's proven racing technology to the street and strip.

Key Features:

• 3-Piece Modular Construction: Forged billet center and cold-forged rim shells assembled via a unique welded process for exceptional application flexibility
• Premium Aluminum Alloy: Manufactured from primary forging-grade aluminum alloys for maximum strength and reduced unsprung weight
• Low Brake Clearance Design: Designed to clear drum brakes, early disc brakes, and aftermarket drag racing brake systems
• Classic S71 5-Spoke Star Styling: Iconic Weld Racing appearance with a durable black anodized finish
• FEA-Validated Strength: Tested with Finite Element Analysis (F.E.A.) and in-house destructive testing to ensure safety and durability
• Wheel Size: 15" diameter x 4" wide
• Bolt Circle: 5 x 4-3/4" (5 x 120.65mm)
• Backspacing: 2.50"
• Offset: +13mm
• Finish: Black Anodized
• Lug Nut Shank Length: 0.490–0.550 in.
• Lug Nut Shank Diameter: 0.679–0.687 in.
• Sold individually

The RT-S S71 series is available in 15" to 18" diameters and offers multiple mounting pad heights to accommodate a wide range of brake systems. The low-pad configuration on this wheel is ideal for drum brakes, early disc brakes, and aftermarket drag racing setups. Whether you're building a dedicated track car or a dual-purpose street/strip machine, the Weld Racing S71 delivers the lightweight performance and race-proven durability that Weld has been known for since 1967.