Road standard Innertubes 700 x 19-23c
Road standard Innertubes 700 x 19-23c
Code: TA-500
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Road standard presta valve inner tube 700 x 19-25c, 40, 52 or 80mm valve length.
  • Standard butyl inner tube
  • 700c x various widths available
  • Presta valve in various lengths



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What can you say? Reasonably cheap and beyond checking the pressures once a week have not caused me any problems.
Great price on durable tubes. I will not be using them unfortunately due to the thickness and weight of these mothers! I have to roll them and fold the last portion just to fit them into my bottle storage and I tight roll them so theres no air in them at all!, bummer cause I bought 10 of them in two different size stem lengths (60mm and 80mm). I usually use standard Kenda tubes, those are super lights compared to these mammoths and take up about 55% of space that these do. Wish someone really put out how much bigger and heavier these are then your standard tube, I don't have my scale on me but they feel twice as heavy no joke! I guess I'll use them for friends who have blow outs on the road when they don't have any left, thats all I can use them for. As always Merlin rocks!
Good service in the delivery, only used one so far, seems quite heavy, but perhaps more resilient.
Good basic inner tube, at a cheap price.
Purchased as a back up, so luckily have not needed to use them as yet. However, after 30 years using tubes, I have no doubts about their suitability.
Light, good tubes - no complaints.
Good puncture resistance. No air leak
Decent Tubes for the price. I haven't flatted yet!
It's round and rubber. No leaks yet. What more can you ask! Great service from Merlin as usual.
Looks like these are as good as more expensive tubes. On first couple of weeks no problems.
Brought these in bulk. I have found them to be better than expected not losing as much air as other I have used. A great price.
Great value for money product, Appear to be as good as tubes twice the price.
Cheap, seem to work as well as the contis
its a generic tube that appears to be of decent quality at a good price. Holds air - what more can you expect...
Holds air well and looks high quality.
It's a tube, the quality is good, what more could I need.
Good quality tubes...
These are generic, 100% butyl rubber tubes. They appear to be equivalent to a Specialized thin tube. They are far from heavy, but will likely not provide much puncture resistance in the event that material is able to get through your tire. If you are looking to shave a little weight and you need a tube that is on the skinny side, look no further.
Great inner tubes with decent valve length
Great price, quick delivery, not exciting but vital !
Nice rubbery feel to them. They inflated fine.
This is a good solid inner tube. Performs as expected, with a very good price. A great value.
These are a nice quality tube and seem to be more "rubbery" than a lot of inner tubes that are on the market. They also seem to hold their pressure better and for longer. 500 miles so far with no problems.
Tubes arrived very timely. Tubes look same as tubes purchased at LBS for a lot more. So far I have 200 miles on 1 tube with no issues. Would purchase again.
Good inner tubes. Seems to hold pressure longer than the other tubes I have had.
Good tube, no punctures yet.
Good product, only a little more weighty when compared to the branded product
These are your standard presta butyl rubber tubes. What I like is that the stem and valve are colored black. They are CSTs which are good quality. Would definitely buy again.
Decent economy tubes.
Does what it's supposed to do at a decent price. Feels a bit heavy, but that's not gonna bother me this winter.
Good tubes, I use these rather than fixing punctures !
Good price, quality looks fine. Not the lightest but also does not look too fragile. No issues so far.
Got the same tube on another bike, it's been over 2000 miles, no problems so far.
We were really impressed with the quality of this tube, it is a thicker rubber than I have used in the past when I have bought one from the Gold Coast, the price was amazing as well, we will definitely keep purchasing from this supplier in the future.
Great innertubes easy to fit very robust, don't need to be too gentle in case you pinch them unlike other tubes I've had ,plus very good service and prompt delivery :-)
Never had any issues with these tubes
I've been using this tube in the front wheel for more than 2000km, got just one puncture but it was a piece of sharp and thin metal which would pierce anything. I repaired it and it was ok far.