Harley-Davidson 40910-84A Axle Wheel Spacer 3/4 x 1.25 HardDrive Front Rear Replacement Chrome

OVERVIEW

This Harley-Davidson® HardDrive axle wheel spacer serves as a direct replacement component to restore accurate front and rear wheel alignment. Precision-machined to meet factory tolerances and finished with a resilient chrome coating, it provides dependable structural support for maintenance or build applications involving standard axle assemblies.

ENGINEERING & PERFORMANCE

Precise outer and inner diameter machining guarantees correct lateral wheel placement, preventing suspension binding and uneven tire wear over time. The continuous chrome plating shields the underlying metal from road salt, brake dust, and moisture exposure, extending service life under demanding riding conditions. Designed as a drop-in replacement, this spacer maintains original hub geometry and mounting patterns without requiring aftermarket adjustments or cutting.

KEY FEATURES

• Replacement for Harley-Davidson® OEM part #40910-84A
• HardDrive chrome axle wheel spacer
• Fits 3/4" axles with 1.25" width
• Dimensions: Outer Diameter 1-1/8" | Inner Diameter 3/4" | Width 1.25"
• Precision-machined for proper wheel alignment
• Suitable for front or rear applications
• Durable chrome finish
• Sold each
• Made in Taiwan

TECHNICAL SPECIFICATIONS

• Brand: HardDrive
• Part Name: Axle Wheel Spacer (Part #40910-84A)
• Part Type: Chassis Hardware
• Material: Precision-machined metal with chrome finish
• Dimensions: OD 1-1/8" x ID 3/4" x W 1.25"
• Axle Interface: Compatible with 3/4-inch axle shafts

FITMENT

• Universal — fits Harley-Davidson models requiring axle spacer part #40910-84A. Verify compatibility with your specific year and model before purchase.

WHY HARLEY RIDERS CHOOSE THIS

Riders rely on this HardDrive spacer because it reproduces exact OEM mounting geometry while adding a protective chrome layer that resists corrosion and road grime. The consistent bore diameter ensures wheels sit squarely on the axle spindles, which improves handling stability and reduces stress on bearings and seals. By delivering a straightforward upgrade path for restored or custom wheel setups, this spacer offers proven reliability for touring, softail, and Dyna platforms that demand precise wheel spacing.