Inflating tyres on the roadside.

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HJ

Cycling in Scotland
Location
Auld Reekie
Get a CO2 inflator which has a controllable trigger. Some just dump the entire contents of the bulb. They work fine but when you get home, deflate and re-inflate with a track pump as C02 molecules diffuse through the tube more quickly than air.

Deflating and re-inflating the tube is a wee bit over the top, just remember to check it and top up before the next ride and you'll be fine... ;)
 

subaqua

What’s the point
Location
Leytonstone
topeak mini masterblaster. works well for me on the few occasions i have needed it.
 
Looks like another thing to go onto my wishlist, I have a cheapy plastic pump that fits onto the frame with one clip to compress it into the junction on the downtube and BB. It is help on to the tube by hand and I have found it to be troublesome to keep on the valve on the one time I have used it in anger, and I wouldn't wan to rely on it if I was in the middle of nowhere.

I would much prefer one such as the Topeak morph pump which attaches by a hose and connector with a lever to hold it on, in the same way as the one on my track pump. It would probably be easier to get up to an acceptable riding pressure with a pump that has a fold out foot and can act in the same way as a track pump. I admit that I find getting past 60psi a struggle with my pump, and with the one before which was a small dual action example that broke almost immediately and that I sent back the next day.
I don't think I can get on with these little pumps very well.
 

Willo

Well-Known Member
Location
Kent
I bought a c02 set up last year and it's done the job fine for me when needed. Had one instance where i botched it on the first attempt but now carry 2/3 canisters which easily fit in a small saddle bag or my jersey pockets.
 

Arch

Married to Night Train
Location
Salford, UK
Plus one for the morph range. I have a standard (without gauge, I got it reduced just before the one with guage came out), and a mini, for the small pods on the trike.
 

arallsopp

Post of The Year 2009 winner
Location
Bromley, Kent
+ another one for the morph. Mini morph for me and the bents. No gauge on mine, but small enough to take anywhere and good enough to hit 100psi with relative ease. The Furai likes 120psi which is reachable, but only just. (Might just be my puny little arms. I am the cycling T Rex.)
 
I have decided on getting one of the pumps from the Morph range in the next week or so, I am just undecided whether to get one with a gauge or not. I don't know if the £7 difference is worth the addition of a gauge or should I just rely on thumb pressure to get me home?
 

buggi

Bird Saviour
Location
Solihull
Get a CO2 inflator which has a controllable trigger. Some just dump the entire contents of the bulb. They work fine but when you get home, deflate and re-inflate with a track pump as C02 molecules diffuse through the tube more quickly than air.

Agree.. I've got better things to do than sit around on the side of the road trying to get 100psi with a poxy pump into my tyres. get an inflator with a controllable trigger and carry two canisters (just in case you accidently let rip with one). It will inflate your tyres quicker than you can say "inflate my tyres". Also the trigger allows you to put a little air in to make sure there are no kinks or pinches before fully inflating. As said, replace CO2 with normal air from a track pump as tyre will deflate over next 48 hours or so due to the CO2 molecules being smaller able seep through the rubber.

You should be able to get 60psi (ish) with the mini pump. That' s enough to get you home with a bit of care avoiding potholes.

I don't want to go home tho :sad: I would rather carry on with my mates. The CO2 will last you all day, it saw me alright on my long days to Paris.
 

zacklaws

Guru
Location
Beverley
And here's another idea which I have just found whilst browsing a cycling forum by stealing a bit of air from a car tyre, probably handy if you have a support car or find a car parked up nearby, you'll find the idea almost at the bottom of the page. But I doubt it would be of much use, if the car tyre only has 30lbs/sq inch, that would be all it would put into your tyre at the most, maybe OK for an MTB tyre on softish ground, so for it to work you would need to find a vehicle tyre pumped up too a good high pressure:-

http://www.bikerumor.com/category/hacks/
 
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