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i have a set of Fulcrum Carbon Quattro road wheels which theoretically could be run as tubeless as there are no spoke eyelets etc. One in depth review in reputed mag said as much. However when asking Fulcrum if they can supply the valves they said they wouldn’t recommend as the wheel is not designed with this in mind. What’s everyone’s thoughts...anyone been in a similar situation? I would hope the wheel would hold up whether the air is inside a latex tube or not!
The stresses are different though and due to the pressures involved it's not the same as doing it on MTB wheels. Sure a lot of people still do ghetto road tubeless (likely even on those wheels) but personally I wouldn't - firstly I'd never fully trust it (I already run scenarios through my head when descending fast about what would happen if I had a blow out now :p ) and secondly, for me, it just wouldn't be worth it - very small gain for the added risk of a rim failure which if you're lucky would happen in the garage, if not then it's going to be a nasty crash.
The Scwalbe G-one tubeless tyres claim to work on all rims apart from those with very low profiles.
I've had 25mm on my road bike and 32mm on the cx commuter with no problems. The sealant likely makes it very hard to blow off the rim.
However when asking Fulcrum if they can supply the valves they said they wouldn’t recommend as the wheel is not designed with this in mind
Good work on checking with the manufacturer - I'm sure a lot of folk have just gone out and bought generic valves and are happily bombing around on their Fulcrums (with less punctures!)
Can't help but agree with fuzzywuzzy - wouldn't trust them without manufacturers support. Personally I'd sell em and get some Mavics.
Run tubeless on Ksyriums, which also have no spoke holes, with no issues. I think the rim is under less stress because it has no drillings.
Of course they would not recommend it if they have not tested it.
Run tubeless on Ksyriums, which also have no spoke holes, with no issues.
That's because Mavic are UST rims... They actually ship the valves with the wheels!
If the wheel is not stated as tubeless compatible then do not do it !
It won't be safe. Tubeless wheels have specific rim designs and you need tubeless specific tyres as well.
The wheelset you name cannot be run tubeless end of as there is no manufacturer's recommendation , don't go there !
I'd maybe try it on the commute - mine's a flat 5 for example, see how it goes. Turning the pedals in anger out on the open road, though - wouldn't fancy big descents on that setup, for peace of mind if nothing else.
My grail rims are rated for tubeless pressure according to the tyre size - think a 25 is 80 psi, a 33 is something like 40. Don't know if that's because it's quite a wide rim for the road? Anyhow, it suggests a bit of thought is needed before slapping a tyre on a rim not rated for tubeless.
It won’t be safe. Tubeless wheels have specific rim designs and you need tubeless specific tyres as well.
Are you sure you're not thinking of UST?