1. Product Overview
The NICECNC Tapered Axle Front Wheel Spacers are designed to enhance the front end appearance of your motorcycle while providing essential protection for the front wheel bearings. These spacers are a direct replacement for Harley-Davidson part number 41458-08.
Constructed from aircraft-grade 6061 aluminum alloy, these spacers offer high durability and strength. The anodized surface treatment provides an enhanced exterior texture and offers superior resistance against corrosion and rust, ensuring a long service life. The CNC milled process ensures precise fitment and compatibility with specified Harley-Davidson models.

Image 1.1: A pair of black NICECNC Tapered Axle Front Wheel Spacers, showcasing their design and finish.
2. Package Contents
- 1 Pair of NICECNC Tapered Axle Front Wheel Spacers
3. Compatibility and Fitment
These tapered front wheel spacers are compatible with various Harley-Davidson Touring models from 2008 and later, provided they are not equipped with ABS brakes. It is crucial to verify your motorcycle's specifications before installation.
Important Note: These spacers are not compatible with Fork Slider End Cover P/N 46282-07.
Compatible Models (without ABS brakes):
- Road King FLHR: 2008-2019, 2022
- Road King Classic FLHRC: 2008-2010
- Road King Special FLHRXS: 2017-2019
- Electra Glide Standard FLHT: 2008-2009, 2019
- Electra Glide Ultra Classic FLHTCU: 2008-2013
- Electra Glide Classic FLHTC: 2008-2013
- Electra Glide Low Ultra Classic FLHTCUL: 2015-2016
- Street Glide FLHX: 2014-2023
- Street Glide Special FLHXS: 2014-2019
- Road Glide FLTR: 2008-2009
- Road Glide Custom FLTRX: 2010-2013
- Road Glide FLTRX: 2015-2019, 2022
4. Setup and Installation
Installation of front wheel spacers requires mechanical aptitude and specific tools. If you are not confident in performing this procedure, it is highly recommended to seek assistance from a qualified motorcycle technician or refer to your motorcycle's official service manual.
Required Tools (Not Included):
- Motorcycle lift or stand
- Appropriate wrenches and sockets
- Torque wrench
- Grease (recommended for axle and bearings)
Installation Steps:
- Prepare Motorcycle: Park the motorcycle on a level surface. Use a motorcycle lift or stand to securely raise the front wheel off the ground. Ensure the motorcycle is stable and cannot tip over.
- Remove Front Wheel: Following your motorcycle's service manual, carefully loosen and remove the front axle nut and axle. Support the wheel as you remove the axle to prevent it from falling.
- Remove Old Spacers: Once the wheel is off, remove the existing front wheel spacers. Note their orientation and position for reference.
- Inspect and Clean: Inspect the wheel bearings, axle, and fork sliders for any signs of wear, damage, or corrosion. Clean all components thoroughly.
- Install New Spacers: Apply a thin layer of appropriate grease to the inner surfaces of the new NICECNC tapered spacers and the axle. Carefully insert the new spacers into their correct positions on either side of the wheel hub. Ensure they seat properly against the wheel bearings.

Image 4.1: Close-up view of a NICECNC tapered spacer correctly seated within a motorcycle wheel hub, demonstrating a precise fit.
- Reinstall Front Wheel: Carefully align the front wheel with the fork sliders and slide the axle through the fork, spacers, and wheel hub. Ensure all components are correctly aligned and seated.
- Tighten Axle Nut: Install the axle nut and tighten it to the torque specifications provided in your motorcycle's service manual. Do not overtighten.
- Final Checks: Before lowering the motorcycle, spin the front wheel to ensure it rotates freely without any binding or excessive play. Check for proper brake function.
- Lower Motorcycle: Carefully lower the motorcycle from the lift or stand.
Safety Precaution: After installation, ride at a slow speed for a short distance and carefully check for any unusual noises, vibrations, or handling characteristics. Re-check axle nut torque after the first 50 miles of riding.
5. Operating
Once properly installed, the NICECNC Tapered Axle Front Wheel Spacers operate passively as part of your motorcycle's front wheel assembly. Their primary function is to maintain the correct spacing between the wheel hub and the fork sliders, ensuring proper alignment and protecting the wheel bearings from external elements like dirt and dust.
No specific operational procedures are required for the spacers themselves. However, always ensure your motorcycle's front wheel assembly, including the axle, bearings, and brakes, is in optimal working condition for safe operation.
6. Maintenance
Regular inspection and maintenance of your NICECNC Tapered Axle Front Wheel Spacers will ensure their longevity and continued performance.
Maintenance Guidelines:
- Periodic Inspection: During routine motorcycle maintenance or tire changes, inspect the spacers for any signs of wear, damage, cracks, or corrosion.
- Cleaning: Clean the spacers with a mild detergent and water. Avoid harsh chemicals or abrasive materials that could damage the anodized finish.
- Bearing Protection: The spacers are designed to protect the wheel bearings. Ensure they remain properly seated and free from debris. If you notice excessive dirt or moisture near the bearings, investigate the cause.
- Re-greasing: If the front wheel is removed for any reason, it is advisable to clean and re-grease the axle and the inner surfaces of the spacers before reinstallation.

Image 6.1: Illustrates the corrosion resistance of the anodized surface on NICECNC spacers compared to untreated metal.
7. Troubleshooting
If you encounter issues after installing the wheel spacers, consider the following:
- Wheel Binding or Dragging:
- Cause: Spacers not seated correctly, incorrect spacer size, or axle overtightened.
- Solution: Re-check spacer seating and orientation. Ensure the correct spacers are used for your model. Loosen axle nut, re-align, and re-torque to specifications.
- Unusual Noise from Front Wheel:
- Cause: Loose components, worn wheel bearings, or improper installation.
- Solution: Inspect all front wheel components, including bearings, axle, and spacers. Ensure axle nut is torqued correctly. If bearings are worn, replace them.
- Wheel Play or Wobble:
- Cause: Loose axle nut, worn wheel bearings, or incorrect spacer fitment.
- Solution: Check axle nut torque. Inspect wheel bearings for wear and replace if necessary. Verify correct spacer installation.
If troubleshooting steps do not resolve the issue, consult a professional motorcycle mechanic.
8. Specifications
- Product Type: Tapered Front Wheel Spacers Kit
- Material: Aircraft-grade 6061-T6 Billet Aluminum
- Surface Treatment: Anodized
- Replacement for OEM Part: 41458-08
- Product Dimensions: 4.92 x 2.95 x 3.35 inches (approximate packaging dimensions)
- Item Weight: 5.3 ounces

Image 8.1: Technical drawing illustrating the key dimensions of the NICECNC Tapered Axle Front Wheel Spacer, including its 60mm outer diameter and 25mm inner diameter.
9. Warranty and Support
For information regarding product warranty, returns, or technical support, please contact the seller or manufacturer directly through your purchase platform. Keep your proof of purchase for any warranty claims.
10. Legal Disclaimer
ARCFOX parts are not sponsored or endorsed by, or affiliated with the brands its parts fit, including Harley-Davidson, Honda, Yamaha, Kawasaki, Suzuki, KTM, Duke, Husaberg, Husqvarna, BMW, Aprilia, Triumph, Piaggio, Ducati, MV Agusta, Moto Guzzi, Benelli, Buell, CF-Moto, Enfield, Hyosung, Indian, Polaris, Can-am, Arctic Cat, Ski-Doo, Beta, GASGAS, Sherco, etc.