Sunday 20 November 2022

Tubeless tyres!!

A couple of weeks ago I decided to try tubeless tyres on the new bike as it has tubeless compatible wheels. 
Tyres and all the kit ordered and fitted, setting them up didn't take long and they seemed to be working ok.

That is all is fine until they lose a bit of pressure. Which at that point the seal between the tyre and wheel starts to leak sealant.

The 1st time it happened was due to a puncture and no matter what I did roadside it wouldn't inflate and stay up.
20 minutes later I put a tube in and rode home.

Removed the tyre at home, patched the hole, and tried again.
Advice was to over inflate to seal the rim then add sealant.
Over inflating the tyre found another small hole but the sealant seemed to seal it.
The tyre stayed up overnight so the next morning I went out again.
100yds up the road and flat again and sealant leaking! Back home and try again.
Tyre off again, small hole patched while off, inflated to 80psi and left overnight.

Checking again the next morning  found it still up, so added sealant and headed out.

This time it did seem to be holding pressure, until about 40km into the ride.
After about 4 times of inflating and riding about 5km I gave up and put a tube in again.
That held up and got me home.

Again tyre off, cleaned and reseated and out again for a local ride.

Squidgy feeling at about 20km and the puncture sealed ok but leaking around the rim again!

Bike has been sat in the shed since Thursday, mainly due to packing boxes at home ready to move, but also as I have ordered some alcohol cleaner to give the tyres and rim a good clean before seating them.
Online research has said that this is one reason they may not be sealing.
We shall see what happens!


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