Tires are one of the most critical components on your Harley-Davidson, directly affecting performance, safety, and ride comfort. But how do you know when it’s time to replace them? Whether you’re cruising down the highway or navigating city streets, having the right tires in good condition is essential. Here's a guide to help you determine when it's time for new tires and why it's important to stay on top of tire maintenance.
Check the Tread Depth
A quick and easy way to assess tire health is by checking the tread depth. Harley tires are designed with grooves to channel water away and maintain grip. Over time, this tread wears down, reducing traction, especially in wet conditions. You can check the depth with a tread depth gauge or by using the “penny test”:
Insert a penny into the tread with Lincoln's head upside down. If you can see the top of his head, it’s time to replace the tire.
For optimal safety and performance, replace tires when the tread is 1/32" or less, or earlier if you notice signs of uneven wear.
Inspect for Cracks or Dry Rot
Harleys are built to last, but even the toughest bikes can experience tire deterioration. Over time, exposure to UV rays, heat, and cold can cause rubber to dry out and crack. This condition, known as dry rot, can weaken the tire’s structure, making it more prone to failure. If you spot cracks along the sidewalls or between the tread, it's a clear sign that the tire needs replacing, regardless of tread depth.
BJ's offers winter storage that can provide your ride with a dry, safe place to reside for the year's cold months. Contact us to learn more.
Watch for Cupping & Uneven Wear
Cupping, also known as scalloping, occurs when certain sections of the tire wear down faster than others, causing a bumpy ride. This uneven wear can affect handling and stability, making it harder to control your bike, especially in corners. Cupping is often caused by misaligned suspension or improper tire inflation. If you notice your tires wearing unevenly, it’s time to bring your Harley to BJ’s Cycles for a professional inspection and possibly a new set of tires.
Age Matters
Even if your tread looks fine, tire age is a critical factor. Rubber degrades over time, even when the bike isn’t being ridden. Harley-Davidson recommends replacing tires every five years, regardless of mileage. If you’re unsure how old your tires are, check the DOT number stamped on the sidewall. The last four digits indicate the week and year the tire was manufactured (e.g., 1219 would mean the 12th week of 2019).
Pay Attention to Handling & Vibration
Does your bike feel different when riding? Do you notice increased vibration or a change in handling, especially during turns? These can be signs of tire issues, even if they aren’t visibly worn. Worn-out tires can lose their shape and cause instability, making your ride less smooth and more dangerous.
Look for Embedded Objects or Damage
Sometimes, tires can get damaged by road debris like nails, glass, or sharp rocks. If you notice anything embedded in the tire or damage to the sidewall, don’t risk riding further. While some punctures can be repaired, damage to the sidewall or extensive punctures usually require a full replacement.
Check Your Tires Regularly
Sometimes, tires can get damaged by road debris like nails, glass, or sharp rocks. If you notice anything embedded in the tire or damage to the sidewall, don’t risk riding further. While some punctures can be repaired, damage to the sidewall or extensive punctures usually require a full replacement.
When It’s Time for New Harley-Davidson Tires, BJ’s Cycles Has You Covered
If you’re noticing any of the signs mentioned above or simply want to get a professional opinion, stop by BJ’s Cycles. We carry a wide selection of Harley-Davidson tires and provide expert installation, ensuring your ride is safe, smooth, and ready for the road. Our technicians can also help with tire balancing, alignment, and suspension adjustments to maximize the life of your new tires.
Ride Safe, Ride Smart. Schedule a Tire Inspection and Wheelie on in to BJ's Cycles Today!
Learn more about selecting the right tires for your ride here.
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