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suggest an inner tube for me

Old 07-21-21, 01:48 PM
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Symox
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suggest an inner tube for me

I'm using 700x28 clincher tires and ride exclusively road. I only want butyl and would like to keep the weight below 100g

I've used Continental race 28 in 25-32 variety with good results but they are on the heavy side (140g). I know I'm counting grams but I want to buy a few tubes with new tires and want to set it up right.

I do NOT race. I am an enthusiast who loves to ride especially on hills.

(yes I tried the search function but for whatever reason I'm not finding the info easily - possibly I'm using too common words for the search)

thanks
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Old 07-21-21, 01:55 PM
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How about Schwalbe SV20 (65g)?

I've been really impressed with their Superlight tubes in my 650B bike. They don't seem to be any less reliable than standard thickness tubes.
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Old 07-21-21, 02:11 PM
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Originally Posted by ThermionicScott View Post
How about Schwalbe SV20 (65g)?

I've been really impressed with their Superlight tubes in my 650B bike. They don't seem to be any less reliable than standard thickness tubes.
Thanks for the reply and I'll definitely look into Schwalbe based on your experience. However, I cannot seem to find the SV20 in 700x28 even on their website
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Old 07-21-21, 02:15 PM
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Originally Posted by Symox View Post
Thanks for the reply and I'll definitely look into Schwalbe based on your experience. However, I cannot seem to find the SV20 in 700x28 even on their website
It's technically an "18-26mm" tube but stretching an extra millimeter in each direction isn't a lot. Rene Herse has them in stock: https://www.renehersecycles.com/shop...or-700c-tires/
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Old 07-21-21, 02:23 PM
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Old 07-21-21, 02:27 PM
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Holy Mackerel Bat Man... Speciality Tubes Too...

Now lets see, what ever happened to my sew-ups?
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Old 07-21-21, 02:28 PM
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Originally Posted by ThermionicScott View Post
It's technically an "18-26mm" tube but stretching an extra millimeter in each direction isn't a lot. Rene Herse has them in stock: https://www.renehersecycles.com/shop...or-700c-tires/
ooh, i didn't know going above the recommended size was ok - I'm a bit of a newbie I guess
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Old 07-21-21, 02:29 PM
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aerothan
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Old 07-21-21, 02:42 PM
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Originally Posted by rubiksoval View Post
aerothan
have you tried them?
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Old 07-21-21, 02:47 PM
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Teravail Superlight (92g) (These are Quality Bike's house brand. You're LBS should be able to get them if they have a Quality account.)

Last edited by RGMN; 07-21-21 at 09:49 PM. Reason: Add LBS info.
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Old 07-21-21, 03:09 PM
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My Bell 700C 25-32 mm inner tubes from Walmart weigh 111 grams. So a little heavier than you want, but they last a long time for me. Several tires will wear out first usually. Watch the stem length if you have deep section rims.

Target and Academy Sports are two of the other places I can find them locally.
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Old 07-21-21, 06:01 PM
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Originally Posted by Symox View Post
I'm using 700x28 clincher tires and ride exclusively road. I only want butyl and would like to keep the weight below 100g
Michelin Airstop A1 700c x 18-25. Yes, these will work on 28 mm tires. 93 g according to Michelin.

MICHELIN AIRSTOP ROAD (michelinman.com)

I use the version with 52 mm values, which is 98 g according to Amazon, and quite inexpensive:

Amazon.com : Michelin A1 Airstop Road Presta Valve Inner Tube, 700 x 18-25cm, Black : Bike Tubes : Sports & Outdoors

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Old 07-21-21, 06:05 PM
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I know you said butyl, but tubilito might actually be something in this use case.
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Old 07-21-21, 08:14 PM
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Originally Posted by redlude97 View Post
I know you said butyl, but tubilito might actually be something in this use case.
it looks interesting but I usually wait for new technology to mature a while before adopting. If it weren't so expensive I'd give it a shot.
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Old 07-21-21, 09:38 PM
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Continental Race 28 Light -- much thinner and lighter than the Race 28. Well under 100 grams, although online specs vary from 65 to 82 g. Put it this way -- the Race 28 Light will fit in my Lezyne Road Caddy minimalist saddle pack, with room for tire levers, CO2 cartridge and inflator tool. The Race 28... won't. It takes up pretty much all the room in the bag's main compartment. I usually pack the Conti Race 28 Light as spares for all my bikes. There's room for two or maybe three in my Serfas wedge bag.

The ride feels a little nicer with the Race 28 Light tubes too. Not as nice as the difference between latex and butyl, but nicer than medium/heavy duty butyl tubes like the Race 28 or typical Bontrager and Panaracer standard tubes.

Next step lighter and better ride -- latex tubes. I've ridden Silca for more than a year before any real problems and liked 'em so well I plan to buy 'em again. I think Vittoria makes them for Silca. The Silca branded latex tubes are sized for 700x25 up to 700x30, if I'm recalling correctly. Perfect for my Conti GP Classic tires. But for my 700x23 Soma Supple Vitesse SL, I had to buy Vittoria branded narrower tubes.

Keep in mind that latex tubes demand more care to install. I think both Silca and Vittoria latex tubes are now pre-powdered. Or you can add your own bath/body powder -- I use corn starch, including to install butyl tubes. Helps ease seating and avoids pinching the tube. Latex tubes are more vulnerable to pinch damaged, partly because they're a bit sticky or gummy without the powder, so they get trapped between the rim and tire bead. Silca has a good tutorial video on installation.

And it's best to follow Silca's recommendation to get rid of the cloth rim tape or rubber band rim strips, and use tubeless rim tape instead. Latex needs more support to prevent extruding into the spoke holes and valve hole. I failed to do that and after a little more than a year the base of the valve was weakened and burst after extruding into the oversized valve hole in the semi-rigid plastic rim strip I used... because I was anxious to install the tubes and didn't wait to get proper tubeless tape. Hey, the ride was great for more than a year. I feel like I got my money's worth in a year of very pleasant riding on rough chipseal roads.
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Old 07-21-21, 09:41 PM
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Originally Posted by redlude97 View Post
I know you said butyl, but tubilito might actually be something in this use case.
Originally Posted by Symox View Post
it looks interesting but I usually wait for new technology to mature a while before adopting. If it weren't so expensive I'd give it a shot.
Aerothan are plastic as well; dunno of Tubolito is patchable with self-adhesive patches like Aerothan is, though.

Anyway, I’ve been using Aerothan for a short while now, having bailed out on successfully running Herse Bon Jon Extralight tubeless. What I can say is that while they are light, feel fine and have been trouble-free, they’re not as nice feeling as rollin’ that rubber tubeless. It’s a small thing, though, and it does not occupy my thoughts while riding, but it was noticeable when I made the switch.

It’s hard to assess the value of Aerothan outside of weight savings— in my 700x35c size, they weigh a mere 52— so it’s more a matter of faith that they’re more puncture resistant and have lower Crr than butyl, but I’m good with that.

Oh, they hold pressure well, too; better than latex, and more like butyl.


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Old 07-22-21, 05:42 AM
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Originally Posted by SoSmellyAir View Post
Michelin Airstop A1 700c x 18-25. Yes, these will work on 28 mm tires. 93 g according to Michelin.

MICHELIN AIRSTOP ROAD (michelinman.com)

I use the version with 52 mm values, which is 98 g according to Amazon, and quite inexpensive:

Amazon.com : Michelin A1 Airstop Road Presta Valve Inner Tube, 700 x 18-25cm, Black : Bike Tubes : Sports & Outdoors
+1. Even better pricing fwiw at Ben's. If you want even lighter the aircomps would probably work, but since it's a 28mm tire, perhaps a tiny bit more questionable.
https://www.benscycle.com/tubes?map=...in&searchState
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Old 07-22-21, 07:00 PM
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Originally Posted by Symox View Post
have you tried them?
Yes. I've been super impressed. Within a 1w difference in rolling resistance compared to latex, but only weigh 42-43 grams (700x23) AND don't lose much air... only have to pump the tires once a week rather than each day.
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Old 07-22-21, 08:19 PM
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Originally Posted by rubiksoval View Post
Yes. I've been super impressed. Within a 1w difference in rolling resistance compared to latex, but only weigh 42-43 grams (700x23) AND don't lose much air... only have to pump the tires once a week rather than each day.
Well I'm definitely interested then. Thanks for the feedback

One thing I'd want to know is how repairable they are - i've seen a youtube video where the patch kit specific to it didn't work. Could be a fluke but that is a big warning sign for me.
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Old 07-26-21, 07:24 AM
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Troubleshooting a slow leak, I was reminded that I was running Panaracer R’air innertubes in one of my bikes. Thinking of this thread, I threw the 23-25c tube on my scale and got 70g.

I did find a tiny pinhole, which I patched and reinstalled the tube.

They’re extralight butyl tubes, very similar to Conti Race Light, and I can attest to having very good luck with them inside GravelKing 26c. These are wheels which see winter/spring/rain duty, so they get the worst of it in terms of road debris.
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Old 07-27-21, 11:25 PM
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Originally Posted by SoSmellyAir View Post
Michelin Airstop A1 700c x 18-25. Yes, these will work on 28 mm tires. 93 g according to Michelin.

MICHELIN AIRSTOP ROAD (michelinman.com)

I use the version with 52 mm values, which is 98 g according to Amazon, and quite inexpensive:

Amazon.com : Michelin A1 Airstop Road Presta Valve Inner Tube, 700 x 18-25cm, Black : Bike Tubes : Sports & Outdoors
ended up getting these. works great. I always pump before a ride so slow air loss not a big deal for me.
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Old 07-27-21, 11:28 PM
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Originally Posted by Symox View Post
ended up getting these. works great. I always pump before a ride so slow air loss not a big deal for me.
Same here. According to CyclingTips, butyl tubes hardly lose any air:

Which type of inner tube holds air the best? - CyclingTips
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