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Narrow/Smooth 24 inch MTB Tire?

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Old 02-29-20, 08:42 AM
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Narrow/Smooth 24 inch MTB Tire?

I recently picked up this 1988+/- Shogun Prairie Breaker, Team Issue. I would like to make it more road efficient. I'll probably either convert to drops or North Roads. Anyway, I have a pile of suitable 26 tires in either 1.25 or 1.5 width, but this bike has a 24 inch front and a 26 inch rear.

That was a "thing" back in the day. I know Cannondale did it.


This is a nice model, full Deore XT components plus Tange Prestige main frame. Made in Japan. Looking for a light weight, narrow tire.

1988 Shogun Prairie Breaker by wrk101, on Flickr
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Old 02-29-20, 09:50 AM
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Shoot, the two that come to my mind are Panaracer RiBMo 1.25 and Ritchey Tom Slick 1.4, but alas, neither comes in a 24.

Sweet ride! The smaller front wheel was perfect for allowing shorter riders to ride "full size" bikes, and avoid toe strike.
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Old 02-29-20, 10:13 AM
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Originally Posted by wrk101
I recently picked up this 1988+/- Shogun Prairie Breaker, Team Issue. I would like to make it more road efficient. I'll probably either convert to drops or North Roads. Anyway, I have a pile of suitable 26 tires in either 1.25 or 1.5 width, but this bike has a 24 inch front and a 26 inch rear.

That was a "thing" back in the day. I know Cannondale did it.
Get thee to a bike shop! Ask if they have a JBI account or a Quality Bicycle Products (aka QBP) account. There are numerous tires you can get for 24” wheels...assuming that the ISO diameter is 507mm. Check the sidewall to make sure. Kenda, Maxxis, Schwalbe, and others make many tires in both the 507mm and 559mm (“26 inch”) sizes.

Cannondale put a 24” on the rear to help with climbing...smaller wheel, lower gearing. But that was never really a “thing”. Not many others followed their lead. Your bike is following the Terry model of using a smaller front wheel to make the bike fit smaller women better. It seems a little large for that design, however. Terry’s design works very well for people who are around 5’ tall. Your bike looks like a 15” which means it’s sized for someone who is 5’4” to 5’6”. There’s less advantage to the smaller front wheel for someone that tall.
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Old 02-29-20, 10:44 AM
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Originally Posted by wrk101
I recently picked up this 1988+/- Shogun Prairie Breaker, Team Issue. I would like to make it more road efficient. I'll probably convert to either drops or North Roads.
The bike looks pristine. Great find.

To make my mountain bike more efficient (it's a 1986 Cannondale with the 24" rear wheel, coincidentally), I installed clip-on TT/aero bars 20 years ago. It's been my main bad weather training and all-around do-everything bike ever since.

Decent TT bars start under $50, and installing them is much less complicated than swapping handlebars (plus brake levers and shifters, maybe). You get all the advantages of the flat-bar setup combined with the aerodynamics (and comfort) of aero bars.
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Old 02-29-20, 10:59 AM
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Originally Posted by Trakhak
The bike looks pristine. Great find.

To make my mountain bike more efficient (it's a 1986 Cannondale with the 24" rear wheel, coincidentally), I installed clip-on TT/aero bars 20 years ago. It's been my main bad weather training and all-around do-everything bike ever since.

Decent TT bars start under $50, and installing them is much less complicated than swapping handlebars (plus brake levers and shifters, maybe). You get all the advantages of the flat-bar setup combined with the aerodynamics (and comfort) of aero bars.
As odd as this sounds, you're right about putting aero bars on an mtb, where the slack HT angle should work with a relatively short stem to give stable handling.

Did you use a short-reaching stem with some rise to it? Did you choose a frame that would normally be small or large for you?
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Old 02-29-20, 11:42 AM
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Maxxis DTH 24 x 1.75

https://www.chainreactioncycles.com/...e/rp-prod31274

That's a nice tire. I've been thinking of getting a set in 26 x 2.15 for a '92 stumpjumper I plan on converting to drops this summer.

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Old 02-29-20, 11:49 AM
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^^^^ That, or the Torch, which is a little smoother tread. But I'm thinking the OP wants something even smoother, and probably narrower.
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Old 02-29-20, 01:05 PM
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Why narrow? The 26x2" cruiser tires on my converted mtb ride great.
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Old 02-29-20, 01:07 PM
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Originally Posted by cyccommute
Get thee to a bike shop! Ask if they have a JBI account or a Quality Bicycle Products (aka QBP) account. There are numerous tires you can get for 24” wheels...assuming that the ISO diameter is 507mm. Check the sidewall to make sure. Kenda, Maxxis, Schwalbe, and others make many tires in both the 507mm and 559mm (“26 inch”) sizes.
I agree. QBP can get most anything.
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Old 02-29-20, 01:24 PM
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Originally Posted by Korina
Why narrow? The 26x2" cruiser tires on my converted mtb ride great.
Agreed on this^
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Old 02-29-20, 02:03 PM
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^^^ It would provide a lot more options.
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Old 02-29-20, 08:28 PM
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Originally Posted by Korina
Why narrow? The 26x2" cruiser tires on my converted mtb ride great.
I typically use 1.25 or 1.5 on my MTB conversions. I find I can save quite a bit of weight. And I’ve got a pile of 1.25 and 1.5 in the 26 size. So it’s convenience too. If I get a black wall with very little tread, then the 26rs will be a decent match.

Really not sure what I am going to do with this bike. I’m bringing back eight bikes this trip....
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Old 03-01-20, 09:05 AM
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I Fell Your Pain

I had the same problem finding smooth(er) 26/24 tire for my '84 Cannondale SM600. I don't ride hard off-road, but wanted something with at least some tread; (I have a road bike for road-riding). My search was compounded since I wanted them to be matching "models" and tanwall ! When I realized that wasn't happening, I opted to compromise (and go "cheap" with a Kenda KRad 24" rear. It's 1.95", but the knobs are shallow and very closely-spaced. It's not 100% what I want, but it works for my needs and gets me on the bike! I wound up with a Kenda Kross 26" on the front which does have a smooth center section with side-knobs. If anyone knows of someone who makes a matched set of 26/24 quality tires with the Kross-type smooth-center tread pattern, tanwall, Kevlar bead like I thought I could find, please let me know! Until then, I'll be riding these and more realistically searching for the Grail.


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Old 03-01-20, 10:04 AM
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Thinking of doing this bike for my wife. Love the chrome, Prestige tubing and XT bits. If it fits I’d retire one of her other bikes.

ill need to get the tape measure out when I get home from this trip out west. Reassemble it and see if it fits her. Right now it’s fully disassembled to fit in the truck with the other 8 bikes I found...
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Old 03-01-20, 10:28 AM
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Originally Posted by Bianchi84
I had the same problem finding smooth(er) 26/24 tire for my '84 Cannondale SM600. I don't ride hard off-road, but wanted something with at least some tread; (I have a road bike for road-riding). My search was compounded since I wanted them to be matching "models" and tanwall ! When I realized that wasn't happening, I opted to compromise (and go "cheap" with a Kenda KRad 24" rear. It's 1.95", but the knobs are shallow and very closely-spaced. It's not 100% what I want, but it works for my needs and gets me on the bike! I wound up with a Kenda Kross 26" on the front which does have a smooth center section with side-knobs. If anyone knows of someone who makes a matched set of 26/24 quality tires with the Kross-type smooth-center tread pattern, tanwall, Kevlar bead like I thought I could find, please let me know! Until then, I'll be riding these and more realistically searching for the Grail.
There are a few matched sets. Schwalbe Marathons come in 559mm and 507mm sizes. Maxxis Holy Rollers, DTH, and Hookworm are also available in both sizes from QBP. I haven’t done an exhaustive search so there may be others.
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Old 03-01-20, 10:55 AM
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I hadn't seen a Terry style MTB. That's interesting.

There are a few brands right now trying mismatched wheels. UCI allowed it in DH and Enduro for 2019
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