Mountain Bike Slicks
- ez
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Mountain Bike Slicks
Postby ez » Tue Dec 18, 2007 9:24 am
Hi all,
I have recently acquired a hard tail mountain bike for my daily commuting/thrash about needs and I would like to put slicks on it to make my life a little easier during the week. WTB SpeedDisc Wheel size is 26†and the rim width is 24mm. What would be the skinniest tyre that I could possibly put on that rim?
I can find Maxxis Detonators at 1â€, 1.25†and 1.5†which I was happy with on the flat bar roadie (700c versions) until it was cruely written off by an automobile.
Cheers,
Ez.
I have recently acquired a hard tail mountain bike for my daily commuting/thrash about needs and I would like to put slicks on it to make my life a little easier during the week. WTB SpeedDisc Wheel size is 26†and the rim width is 24mm. What would be the skinniest tyre that I could possibly put on that rim?
I can find Maxxis Detonators at 1â€, 1.25†and 1.5†which I was happy with on the flat bar roadie (700c versions) until it was cruely written off by an automobile.
Cheers,
Ez.
- LuckyPierre
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Postby LuckyPierre » Tue Dec 18, 2007 9:57 am
I put some 'cheapie' slicks that I got from Torpedo7 on my 'shopping bike' - they're 1.75 inch and work OK.
You could look at the Maxxis Xeniths as well as the Detonators - and, in the interests of 'answering the actual question' I wouldn't put the "skinniest tyre possible", but rather I wouldn't put on anything less than a 1.5 inch tyres.
ps. I have no real evidence for making that statement, so take it with a (big) grain of salt.
You could look at the Maxxis Xeniths as well as the Detonators - and, in the interests of 'answering the actual question' I wouldn't put the "skinniest tyre possible", but rather I wouldn't put on anything less than a 1.5 inch tyres.
ps. I have no real evidence for making that statement, so take it with a (big) grain of salt.
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- europa
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- s-s-a
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- leximack
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Postby leximack » Tue Dec 18, 2007 12:56 pm
i bought 26 x 1.5 slicks from torpedo 7 for $15 each.
They are not bad, roll well and good corner grip, not bad in the wet also.
Pretty good value
http://www.torpedo7.com.au/products/WTTYMNNSL
they are $18 at the moment
They are not bad, roll well and good corner grip, not bad in the wet also.
Pretty good value
http://www.torpedo7.com.au/products/WTTYMNNSL
they are $18 at the moment
- Kalgrm
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- ez
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- Location: Inner Suburbs, Adelaide, SA
Postby ez » Tue Dec 18, 2007 2:25 pm
Thats the sort of information I am looking for, I have some 1.5" Torp 7's on another bike for the Wife but its quite hard to find compatability charts for this sort of thing. At this stage, pending Europa's report on his new wheels, the 1.25 might be where I put the safety margin and chance it.Kalgrm wrote:That rim width of 24mm would rouble me. I wouldn't go thinner than 1.25", but to be safe, I'd say 1.5" would do the trick.
Ez.
- europa
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Postby europa » Tue Dec 18, 2007 9:09 pm
The bent's in a box and probbly on a bus now, so I can't do any more than guess. When it gets here though (give me a reminider if you haven't heard over the weekend), I'll run the calipers over the rim - I'll only be able to give an outside measurement unless I pull the tyres off, but it should give you some indication. To be honest though, the rims don't look like mtb rims and so could be narrower.
Richard
Richard
I had a good bike ... so I fixed it
- Kalgrm
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Postby Kalgrm » Tue Dec 18, 2007 10:19 pm
I looked into my rim's specifications. The VXC rims I have are 23.5mm, and I'm running 1.25' slicks without any problems.
Richard's rims are somewhat more narrow than mine.
Cheers,
Graeme
Richard's rims are somewhat more narrow than mine.
Cheers,
Graeme
Think outside the double triangle.
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- Hotdog
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Postby Hotdog » Wed Dec 19, 2007 9:00 am
Are the rim widths being mentioned here interior (i.e. between the bead seats) or exterior? According to the manufacture specs. my 26" Alex DA16 rims are 22.4mm outer and 16.3mm inner, though that sounds like a rather big inner/outer difference. The bike came with 1.25"/32mm slicks, and I'm now running 1.125"/28mm slicks with no problems. 1.125" looks "right", though I suspect I could go down to 1"/25mm. Sheldon Brown has a guide to rim/tyre width compatibility, but you need to know the interior width.
- ez
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Postby ez » Wed Dec 19, 2007 11:26 am
Ok, I have done some more digging on the rims and pulled up some other numbers:
559 x 17 / 541ERD
Which according to some other threads breaks down to:
The 559 x 17 is what is referred to as the ETRTO dimension. It represents the inside width of the rim 17mm at the specified diameter of 559mm which is the tire bead diameter for 26" tires. The 541 ERD refers to the
"effective rim diameter" in Millimeters. This is the distance from outside
eyelet to outside eyelet 180 degrees apart. This dimension is needed to
calculate spoke lengths.
So Just like hotdog my original quoted 24mm figure and the 17mm from the other figures on the sticker on my rims seems like a big difference in inner and outer measurements.
So according to sheldon's site and assuming that I am correct in assuming that I have 17mm inner measurement I could get away with the 1inch (25mm) tyre. Thats a lot of assumptions/dodgy math. But it might just work.
Ez.
559 x 17 / 541ERD
Which according to some other threads breaks down to:
The 559 x 17 is what is referred to as the ETRTO dimension. It represents the inside width of the rim 17mm at the specified diameter of 559mm which is the tire bead diameter for 26" tires. The 541 ERD refers to the
"effective rim diameter" in Millimeters. This is the distance from outside
eyelet to outside eyelet 180 degrees apart. This dimension is needed to
calculate spoke lengths.
So Just like hotdog my original quoted 24mm figure and the 17mm from the other figures on the sticker on my rims seems like a big difference in inner and outer measurements.
So according to sheldon's site and assuming that I am correct in assuming that I have 17mm inner measurement I could get away with the 1inch (25mm) tyre. Thats a lot of assumptions/dodgy math. But it might just work.
Ez.
- europa
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Postby europa » Wed Dec 19, 2007 11:31 am
Right, now you need to ask yourself why you want to go so thin. One of the joys of the Detonator is their soft sidewall, they're a tyre that rewards the 'bag of air' thinking when it comes to comfort. As I understand it, this bike will be your hack, so slightly wider tyres for a bit more comfort might be better than thinner for dubious aero advantage.
Richard
Richard
I had a good bike ... so I fixed it
- europa
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- ez
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Postby ez » Wed Dec 19, 2007 5:03 pm
True, its probably more me working out what I really want to get out of the 'hack' bike (i.e. the philisophical bit). At the moment I am quite prepared to wait until we see what they look like on your bike before making the decision. It will definately be a new years project.europa wrote:Right, now you need to ask yourself why you want to go so thin. One of the joys of the Detonator is their soft sidewall, they're a tyre that rewards the 'bag of air' thinking when it comes to comfort. As I understand it, this bike will be your hack, so slightly wider tyres for a bit more comfort might be better than thinner for dubious aero advantage.
Richard
Ez.
- europa
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Postby europa » Sun Dec 23, 2007 5:24 pm
Right, the trusty calipers tell my rims are 19.6mm, outside measurement (ie, brake face to brake face). The 1" Detonators are a neat fit on those rims, they look like 23mm tyres do on road rims - the 28mm Detonators on my road bike are more bulbous.
Therefore, I wouldn't fit them on wider rims than mine and may indeed go for the next size up when I wear these out.
Richard
Therefore, I wouldn't fit them on wider rims than mine and may indeed go for the next size up when I wear these out.
Richard
I had a good bike ... so I fixed it
- ez
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- Joined: Sat Oct 27, 2007 2:06 pm
- Location: Inner Suburbs, Adelaide, SA
Postby ez » Sun Dec 23, 2007 6:27 pm
Thanks for the update, so i think I will be looking at the 1.25" tyre.europa wrote:Right, the trusty calipers tell my rims are 19.6mm, outside measurement (ie, brake face to brake face). The 1" Detonators are a neat fit on those rims, they look like 23mm tyres do on road rims - the 28mm Detonators on my road bike are more bulbous.
Therefore, I wouldn't fit them on wider rims than mine and may indeed go for the next size up when I wear these out.
Richard
Ez.
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- europa
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Postby europa » Tue Dec 25, 2007 10:13 am
I don't know why we didn't do this earlier. Sheldon Brown on tyre widths
He's a got a nifty tyre chart there, but does say it errs on the side of caution.
Richard
He's a got a nifty tyre chart there, but does say it errs on the side of caution.
Richard
I had a good bike ... so I fixed it
Postby Hawkeye » Tue Jan 08, 2008 10:12 pm
I'd agree with all of the above, but found their puncture resistance to be a little disappointing, especially in the wet. In the week after NYE last year when it rained much of the week they seemed to be a magnet for little bits of glass, and I had 6 punctures in 5 trips. But there was a lot of glass around, and they were good up to then.leximack wrote:i bought 26 x 1.5 slicks from torpedo 7 for $15 each.
They are not bad, roll well and good corner grip, not bad in the wet also.
Pretty good value
http://www.torpedo7.com.au/products/WTTYMNNSL
they are $18 at the moment
Slime in the tubes solved the problem in the short term. I have a set you can have for whatever it costs to post, slimed tubes included. I'll throw in a couple of new boxed unused tubes as well, as they're now just taking up shelf space. The back tyre has a few nicks but I did probably a further 500-800km with it like that, so I reckon it's OK to ride. Worst case: you get at least one good tyre and some new tubes for a few bucks.
I've since moved to Continental Sport Contact 1.3's.
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