Harddrive Rear Axle Adjuster Kit - Harley FXR & Sportster
About Harddrive
Harddrive is the house performance and replacement line built for American V-twins, covering everything from engine hardware and electrical to controls, lighting and chassis parts. The range is aimed squarely at Harley-Davidson and Indian riders who want a direct-fit part without dealer pricing, and it spans decades of model years — from Evolution-era Softails to current Milwaukee-Eight baggers.
Maintain optimal rear axle alignment and prevent swing arm tube collapse with the Harddrive Rear Axle Adjuster Kit. This kit is a direct OEM replacement designed for Harley-Davidson FXR and Sportster models, ensuring your rear wheel stays true and your drivetrain performs efficiently. It includes heavy-duty washers for secure tensioning.
Why riders pick this
- Rear axle block adjuster for accurate alignment
- Prevents swing arm tube collapse
- Includes heavy-duty washers
- Direct OEM replacement
Proper rear axle adjustment is critical for both the performance and safety of your Harley. An incorrectly tensioned axle can lead to premature chain or belt wear, poor handling, and even damage to your swing arm. This Harddrive kit provides the necessary components to accurately adjust your rear axle, protecting your swing arm from over-tightening damage and keeping your wheel perfectly aligned for a smooth ride.
Precision Adjustment, Enhanced Durability
- Rear axle block adjuster design for accurate alignment
- Prevents swing arm tube collapse from over-tightening
- Includes heavy-duty washers for secure fitment
- Direct OEM replacement for hassle-free installation
Critical for Drivetrain Longevity
This rear axle adjuster kit is an essential component for anyone maintaining their Harley FXR or Sportster. By allowing for precise adjustment and preventing common issues like swing arm damage, it contributes significantly to the longevity of your chain, belt, and rear suspension components. Ensure your bike's rear end is dialed in correctly with this reliable Harddrive kit.
Specifications
- Brand: Harddrive
- Manufacturer Part #: 339100
- UPC: 191361167355
- Weight: 1.1405 lbs
- Country of Origin: China (Taiwan)
Common questions
What is included in this Harddrive Rear Axle Adjuster Kit?
This kit includes the rear axle adjuster block and heavy-duty washers, which are all the components needed to properly tension your rear axle without over-tightening.
Will this kit prevent my swing arm from collapsing?
Yes, when installed correctly, this kit is designed to prevent the swing arm tube from collapsing, a common issue caused by over-tightening the rear axle nut.
Does this axle adjuster kit fit my specific Harley model?
This part is designed for Harley-Davidson FXR and Sportster models. Please confirm your bike's year and model against the fitment list before ordering to ensure compatibility.
Ordering from Vtwinbikers
- Brand new, sourced through authorized US distribution — never used, never grey-market.
- Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
- Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
| BRAND | Harddrive |
| TYPE | Drive |
| SKU | 820-52355 |
| WEIGHT | 1.14 lb |
