Rim vs Discs - again.

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T4tomo

Legendary Member
If you use the correct brake blocks, carbon rims don't wear much at all compared to alloy rims.
firstly the block compound is softer, so the block wears rather than the rim
secondly, what tends to wear alloy rims more quickly is little bit of alloy transferring from rim to brake block and thus wearing the rim. That doesn't happen with a a carbon rim.

That said, like @Webbo2, I try not to use that bike in the wet
 
[carbon wheels:]
No idea as I’ve never had to replace the rims.
Good news :smile:

If you use the correct brake blocks, carbon rims don't wear much at all compared to alloy rims.
firstly the block compound is softer, so the block wears rather than the rim
I admit I did not know this - it certainly makes sense.

(OT: I did know carbon required special blocks! A friend of mine - far from an idiot, but very new to bikes - had her TT bike upgraded with carbon wheels. The idiot bike shop didn't bother selling/fitting the necessary blocks 🤦 )
 
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