Momum Gum Tubeless Tyre Sealant

I noticed this review mentions higher pressures.

Stan's race comes up as one of the best. LBS reckon muc off is best.

I am thinking of swapping to those puncture proof inner tubes mentioned on here (https://road.cc/content/review/tubolito-x-tubo-citytour-tube-291089) but lower pressures on crappy roads is more comfy, so not sure what is best.

After much experimentation I settled on MucOff....seems to seal better....possibly due to a higher viscosity, and I like the colour. 

I started with Stans regular, and after some non sealing issues topped up with Muc Off, no more problems.

Then on a new tyre I had issues with muc off and topped it up with stans regular - no more issues.

I don't know if this was a coincidence or if a mixture is actually better. Although I hear that stans race is better, so much so tht it should not be applied through the valve core, if you expect to use the valve in the future.

I'm running 30mm tyres at 60psi, don't know if this counts as high pressure. I've never had the nerve to go tubeless on my aero bike with 25mm tyres, which I run at 90psi

I used Stans Race for years with no issues, both road & mtb. Went for Muc Off last year as I like the tube on the bottle & never had so many issues. It smells nice but will be going back to Stans when it's gone!

I'm definitely familiar with hearing others experience similar to you, and then in contrast those who love it (like me!) and have had a clean run for years. Having tried most of the 'good' sealants out there, what we like about Momum's GUM sealant is that its not too thin or not too thick, which means it plugs the small holes up quickly but can also manage the larger ones. Other sealants tend to favour one or the other and struggle to peform well across the board. Be brave, have faith and give it another shot. I'm sure once you're setup with the right amount of sealant you'll change your perspective!

Are you a representative of Momum?

oneridecycling.co.uk

"Newly formed in the Autumn of 2021, founder and owner Piers Riley set out to create a supply link in the UK for the innovative Spanish brand Momum after working with their founder and testing their range of products over a 6 month period."

Yes, I am. Having worked in and around the bike industry for 10+ years, I came across Momum's MIC Wax and was so impressed I decided to setup a business selling it, along with their other fantastic products in the range, in the UK. You can check our website out here: www.oneridecycling.co.uk

What are your views on remington shavers ?

mike the bike wrote:

The reason for giving up the first time was the miserable performance of Stan's sealant which didn't deal with either tiny or large holes.  Was I just unlucky, perhaps it was a bad batch of gloop?  Is this one any better?  Should I risk it again?

My experiment has gone better than yours, using Stan's in 48 mm René Herse tyres at typically 25-35 PSI, I have had one puncture that required a plug (a sidewall cut whilst riding through a cornfield) in 8800 miles. That's an order of magnitude better than my results with tubes.

However, I do plan on trying other sealants, as I will seem to go a week with having to put in air in daily, then weeks when it holds air. Sometimes I come out of work to one of the tyres being completely flat, but at least I can just pump it up and ride home, so it delays me one minute instead of five or more.

I tried Orange Seal once, but once I found out that was where the annoying aluminium shavings were coming from, I gave up on that one. Yes, they use metal shavings in the sealant!

Orange Endurance seal user here, but I run at between 10-15psi, I had always thought they were silvery plastic.

Mylar maybe, like crisp packets?

ktache wrote:

Orange Endurance seal user here, but I run at between 10-15psi, I had always thought they were silvery plastic.

I could be wrong, but once I dried them off they looked and felt like aluminium shavings to me.

Fair do's.

Better than shedding micro plastics everywhere

I had no luck with Stan's just didnt have the volume of "bits" to block at road pressures.  Since others swear by it I wonder if their QC is a bit poor.

Schwable was ok - Orange better - havent looked back.

Difficult to say because it totally depends on the combination of the pressure needed to support load, how thin and flexible the tyre casing is, and chosen sealant gloop.

Been using since 2015. Thin casings with higher, north of 40psi, pressures with standard, squirt it through the valve core, type sealants will tend to blow out most of the sealant before it has a chance to seal anything beyond a tiny pin prick hole.

Which is why the baggy brigade with their chunky tyres and low pressures swear by tubeless. And by contrast, many roadies swear at it.

Slightly higher pressures, say up to 50psi, and thinner casings can work pretty well if a sealant with decent sized bits in it is used. Say something like Stans Race (very messy) or (current fave) Effetto Mariposa with the Vitamina CL additive (or possibly this Momum Gum stuff being reviewed here).

fwiw, both my gravel bikes are setup with inserts and tubeless. Their sizes mean I can currently run 20psi and 45psi in the rears. I still carry a spare tube and pump but it works really well. On the other hand, none of the road bikes are tubeless, as they'd need least 90psi for my 100kg and it's not worth the cleaning and hassle when it doesn't work.