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  1. If they start leaking sealant that’s a good indicator.

    What kind of tire is it and what’s your typical usage?

  2. Holy shit that’s little wear for 3.6k. You’ll be good for another 2k+ on the rear. Unless you need the grip, then maybe earlier. But you can ride them until it’s all gone in the center. Front one looks basically New, I can’t believe it. It’s the conti terra trail im guessing? Or different brand?

  3. Swap the front and rear. The rear will always wear out faster due to the weight on the back tire. Very normal and just swap them and ride for another 3600km.

    Have fun!

  4. Some people ride until there’s no knobs left, others ride until the rubber has worn away and the carcass is exposed, whole another group switches out tires as soon as they see any kind of wear on them.

    The very latest point I’d replace a tire is when the knobs are gone but until now, I’ve never reached that point because something else has come before. Usually it’s when I get one or two plugs in.

  5. G-One? I would ride the rear one for a bit more (or maybe change it already), then put the front one to the rear and new one to the front.

    Or rotate front and rear to get the same wear and then reaplace both. In this case that might be too late for that – such worn tire I would not put on the front.

    In general: I replace my tires when I can feel the change in performance.

    P.S.: Are you blocking your wheels while braking and are using rear brakes mainly? Rear tires are wearing out faster as a rule, but your front one is looking brand new.

  6. Holy shit, two significantly upvoted comments suggesting you swap the front and rear to even out the wear??

    Do not swap the front and rear to even out the wear, loss of grip on the rear is far easier to recover than loss of grip on the front, and if you have a catastrophic failure you’d also much rather it was on the back than the front.

  7. I get about 2000mi for a rear tire and about 4000mi for a front so you’re on track with my experience.

  8. Gullible-Factor-8927 on

    As soon as you’re taking a corner you normally take just fine but this time it’s like “holy shit I almost slipped there”

  9. Unlike others, I don’t rotate. I just buy tires in sets of 3, and replace my rear one twice on the cycle of changing my front

  10. G-One’s are amazing. I used them around 3 years. I didnt have a single puncture and new owner of the bike that i sold them with still rides with them. To me greatest tyre ever.

  11. I also swap the back to the front when it’s part worn, and put the new one on the back. Then repeat.

  12. I replace when I start to get annoyed at the rear constantly sliding out because the knobs are gone (a little bit is fun tho).

  13. I usually switch tires when I start noticing degradation (less grip, more punctures) in combination with wear marks (missing knobs, gashes, dry rot etc.).

    With gravel tires specifically I don’t mind center knobs being worn down as I also ride semi slicks so I am comfortable with a little less grip in the loose and ride accordingly.

  14. IMO – once the tread knobs are fairly worn or you’ve gotten close to the expected lifetime mileage of the tire, i use the 3 flats and you’re out rule.

  15. RelationshipNo9336 on

    That tire is just starting to roll nice. On one of my frequent rides there is a lot of grass and lack of knob on climbs leads to a lot of slip. With your miles I think only you can determine if that is causing you grief. For Gods sake though DO NOT SWAP it for your front! Your collar bones are begging you to leave that front tire alone.

  16. Ambitious-Break-9330 on

    When you notice a decrease in performance. Like if you’re on a climb and your tire starts slipping and can’t grip as well, that’s probably time.

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