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this post was submitted on 10 Sep 2023
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I haven’t changed them on my road or mountain bike yet, and I’ve had them for 4 and 6 years respectively
Then your brakes probably don't matter. As other pointed out, wear follows a quartic law, so 1/10th the weight per axle means roughly 1/10000th the waste. Not exactly sure how things like ground contact area per axle or or tire pressure affect it.