Big Bike Thread

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Yeh it sounds a lot of money, but a massive weight saving where it really counts.. Regular 26in tubes are about 200g? I've really appreciated the improvement by getting lighter tyres, just the general feel of being able to get back up to speed a lot quicker when slowed down by tunnels and locks.

I do mainly tow path riding so can probably take the mick a bit by going for light weight rather than robust.
 
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You don't do any actual mountain biking (harsh, but true) - do you really need to be spending that much money... for TOW PATH riding?!

No offence taken lol, I'd probably replace them one at a time as my current tubes expire.
Currently doing about 100km a week, and like I alluded to, I've really noticed the benefit of lighter decent tyres over the horrible oem tyres that came on the bike, so was wondering if anyone had experience with these tubes.

I'm certainly not going to blow more money than the bike cost on a quality wheel set, but given my positive experiences with lighter tyres, the weight of these tubes looks like a good value upgrade on the surface.
 
how do you know the difference in the tyres is not more to do with grip/compound rather than weight?

It's more than likely a combination of both, seeing as the original tyres were kenda, but don't even have a model number or name on them, I imagine they are the cheapest of the cheap.. but i can't ignore the physics, weight saving on the circumference is worth a lot, hence my interest in these tubes.
 
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No offence taken lol, I'd probably replace them one at a time as my current tubes expire.
Currently doing about 100km a week, and like I alluded to, I've really noticed the benefit of lighter decent tyres over the horrible oem tyres that came on the bike, so was wondering if anyone had experience with these tubes.

I'm certainly not going to blow more money than the bike cost on a quality wheel set, but given my positive experiences with lighter tyres, the weight of these tubes looks like a good value upgrade on the surface.

I doubt lighter tubes would make me go faster downhill, so therefore I buy the cheapo ones! :p
 
Dunno what that is, but I can feel a real general benefit, so it would stand to reason a light tube would have a similar if not quite so drastic improvement.

TdF = Tour de France.

ie. If you're not being timed, why does acceleration really matter?
 
And how much of an acceleration speed difference is this £40 bit of rubber going to provide over a normal tube or tubeless setup? Details, give them to me.

I don't have any way to measure it in an accurate manner, but going from 800 gram tyres to 400 gram tyres feels significantly better.

On this basis, considering we are talking about rolling weight, if these tubes are relatively reliable I'm quite tempted, as they are 60 grams a piece, which is a crazy weight for a tube!
 
Could be a placebo. New purchases always "feel better" just to justify the spend in our heads :D

Agreed, I'm trying to be wary of the placebo effect, however the first time out with my new tyres I Shaved a clean 5 mins off my regular ride without trying too hard, averaged an hour and 3, and did it in 58 mins right off the bat. I've done it in an hour and 1min before, but that was absolutely flogging myself.
 
How much stand over do you guys get on your MTB?

I'm beginning to wonder if my frame is too big. I'm 5'11. Its a 19" 29er. Top tube length is fine but my sack touches the top tube although I can lift the bike about 2" jacking it up not hurting myself.

It might be my lack of skills but finding the 29er a bit of a barge.
 
How much stand over do you guys get on your MTB?

I'm beginning to wonder if my frame is too big. I'm 5'11. Its a 19" 29er. Top tube length is fine but my sack touches the top tube although I can lift the bike about 2" jacking it up not hurting myself.

It might be my lack of skills but finding the 29er a bit of a barge.

If you can fit your first between the bar and your bum bone when standing it's probably about right.

Top tube length also needs to be right so you're not too stretched or hunched up.

I have no experience of 29ers bit I imagine they will feel a bit barge like if you are used to 26
 
Depends on the bike, is it full sus or hardtail. If its hardtail then im same height as you and id ride a medium. 9 times out of 10 I ride a medium, unless its a Trek as their sizes are wonky!

Also £40 on tubes? Just get fitter or put more effort in, that's potentially £80 lost because you rode over some glass some yobbo has thrown on the cycle path you haven't noticed.
 
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