Phil (ascentale)Mar 14

I lost #BikeNite Q3 yesterday, I am very sorry! But here it is. Happy #BikeMorning for those in my time zone!

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@pete asks:

We've had a fair few questions on tyres, tubes, and valves and it's apparent from responses that we've posters who run all manner of setups.

Q3. What do you run and why? (For eg, have you made a conscious decision or just used whatever came with your bike? Tyres: Chosen for ride quality, durability, grip? Tubes: latex, butyl, TPU? Tubeless: fave sealant? any insert? etc, etc …)

#BikeNiteQ #BikeNite #BikeTooter #Cycling #MastoBikes cc @bikenite

Show thread😀🚲

#BikeNite A3 Schwalbe pick-up or super-moto-x in 20x2.35 or 26x2.5 on most of my #cargoBikes / other #eBikes, some with continental's e-rated contact tires. All have conti tubes with the metal schrader stem and sized wide enough to match the tire with less stretching & losing thickness. I ride on the wet & messy streets of SW Portland and nearby suburbs where broken pieces of cars accumulate in bike lanes, some gravel or soft/mulch trails, often for kid transport.

@ascentale @pete #BikeTooter

Mar 14 at 7:38pmWeb
Show threadSiegfried.Mar 15
@enobacon @ascentale @pete Interesting. I ride Schwalbe Super Moto X, but find them quiet slippery. They are nice and comfortable on really dry roads though. I am looking for recommendations.
Show thread😀🚲Mar 15
@realSiegfried @ascentale @pete I haven't had any trouble with super moto x grip on wet asphalt, at or below 40psi. The pick-up have a deeper block tread that might channel water better. #whatPressureYouRunning #BikeNite
Show threadSiegfried.Mar 15
@enobacon @ascentale @pete Might also be the size. I run 27.5".
Show thread😀🚲Mar 15
@realSiegfried @ascentale @pete I have the 26x2.5 super-moto-x on the front of the edgerunner, it sets up close to 2.8 on the 52mm rim, running 25-30psi #bikeNite
Show thread😀🚲Mar 16

#BikeNite A3 update: replaced the tire that got a flat on Friday, why is the new one not centering on the rim #BikeTooter ? I've ridden several miles and near 30mph on one hill, not feeling any irregularity in the rolling. Running 30psi (had it up to 65 and back down to 5 several times trying to realign the bead.)

@ascentale @pete

Show threadMozMar 16

@enobacon @ascentale @pete Most likely it's slightly loose on the rim. If it's seated properly (which it will be if you've pumped it up to working pressure), the solution is to mostly deflate it then wiggle it round so it's roughly centred. That's as good as you'll get :(

Different tyre brands have reputations for being tighter or looser than others, if it really bothers you buying a tyre from a 'tight' brand might be a solution.

#BikeNite

Show thread😀🚲Mar 16
@moz it's not bothering me other than worrying that something will go sideways if I don't straighten it. I've never had one that didn't seat out onto the rim once pumped all the way up. (see edit above) Should I inflate it past the max sidewall pressure (while wearing safety glasses 😆) and see if it pops on? I've had BMX tires that just said "100psi max" in this same size but this says 30-65. I usually don't run it at over 40.
Show threadMozMar 16
@enobacon unless you can see a gap between the bead on the tyre and the sidewall of the rim I wouldn't overinflate, I'd assume the circumference of the tyre was 1mm bigger than the circumference of the bead seat on the rim.
Show threadohesoMar 16

@enobacon @moz Not crucial if you're running innertubes, but a possible issue with pinch flats. As others have said, deflate it. Push the bead towards the center of the rim all the way around to ensure you haven't got the tube in the way. Then pump it to the max rating (shouldn't need to go beyond). Should get sorted after a couple of goes at most.

Brushing soapy water around the rim-tire interface while it's deflated may help.

Show threadBekahMar 17
@enobacon (you’re not really going to do that to tha extreme but if you were, please also wear hearing protection— big tires hold a lot of air at much lower pressure than roadie tires)
Show threadadrinuxMar 16

@enobacon @ascentale @pete is it centred fine in reality, but the white reflective line isn't a true circle? I always want to use the reflective line as a guide, but I'm not convinced their trustworthy.

Look at the centre line of the tyre instead?

Show threadPeteMar 16
@adrinux @enobacon @ascentale There’s a mold line a little in from the bead that acts as a good indicator. Not a great photo—and one showing another tire issue!—but it’s visible here, actually along where it’s sweating. If that’s visible and parallel all the way round the rim, you’re good.
Show thread😀🚲Mar 16
@pete @adrinux @ascentale yes, the "witness line" looks good for 80% of it and then dips under the rim, you can see it in the photo if you zoom in but the reflective stripe is more obvious.
Show threadMark ChickMar 16
@enobacon @ascentale @pete Try pumping it up to the max and leaving it overnight. That works on my problem tyre-rim combination but is very frustrating when it comes to mid-ride punctures. I can't seat the tyre properly until I'm home. #BikeNite
Show threadTroubleMar 16
@enobacon @ascentale @pete I usually inflate to 10 psi, "gently" wiggle the tire to adjust the bead, then fully inflate. You can easily adjust it by eye, but you must be at a very low pressure to do it.
Show threadPeteMar 16
@trouble @enobacon @ascentale Getting some soapy water sloshed about the bead wouldn’t do any harm either. Often helps it to pop into place.
Show threadJef PoskanzerMar 17
@enobacon @ascentale @pete Same! No bumpiness, the tread is centered and doesn't wiggle, but the sidewall stripes do wiggle.
Show thread😀🚲Mar 17
@jef @ascentale @pete this is definitely not matching the molded line, which seems fairly concentric to the stripe. I keep trying to deflate and reinflate, extra inflate, etc... It seems to go from wiggling around to stopped budging in about half a stroke of the pump. I'll have to take the wheel back off of the bike and get artisinal about it.
Show thread😀🚲Mar 17
@jef @ascentale @pete I left it at 65psi overnight and it seems to have straightened out.