Schwalbe Marathon Plus 25C's
#1
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Schwalbe Marathon Plus 25C's
Wow! These have to be the hardest to fit (and also the most expensive) tyre I've ever encountered and it's seriously got me thinking about how I'd manage if I get a flat on my 12-mile each way commute or is there any chance they'll soften up a bit after racking up a few hundred miles or so?
I bought two of these this week after a couple of rear wheel flats and I first tried fitting them to a Shimano wheelset that are designed for tubes and tubeless and thought that might be the problem as I find most wired-on tyres are a bit harder to fit on tubeless ready wheels. Anyway, I have an old pair of road wheels with Mavic Open Pro rims going spare so I thought I'd try them on those but whilst I did eventualy get them on it was a huge struggle and it's not something I'd like to do at the roadside. I'm really thinking about sticking with lighter tyres and accepting the occasional flat as part of the commuting experience and, to be fair, I'm pretty good at changing a tube at the roadside. But if I do stick with these Marathon Plus tyres and I get no flats between now and the end of September (when I retire) then I guess I'll be raising a glass to the Schwalbe designers!
I bought two of these this week after a couple of rear wheel flats and I first tried fitting them to a Shimano wheelset that are designed for tubes and tubeless and thought that might be the problem as I find most wired-on tyres are a bit harder to fit on tubeless ready wheels. Anyway, I have an old pair of road wheels with Mavic Open Pro rims going spare so I thought I'd try them on those but whilst I did eventualy get them on it was a huge struggle and it's not something I'd like to do at the roadside. I'm really thinking about sticking with lighter tyres and accepting the occasional flat as part of the commuting experience and, to be fair, I'm pretty good at changing a tube at the roadside. But if I do stick with these Marathon Plus tyres and I get no flats between now and the end of September (when I retire) then I guess I'll be raising a glass to the Schwalbe designers!
#2
Senior Member
Pre-Covid, I was driving and biking about the same distance per year and getting about the same result between flats on both -- around 15,000-20,000 miles. I think you will be raising a glass.
#3
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Plan on raising that glass!
I've been riding Marathon Plus tires for at least ten years and have never had a flat due to a puncture. One valve stem failure, but the tires are as close to flat-proof as I've found.
I've been riding Marathon Plus tires for at least ten years and have never had a flat due to a puncture. One valve stem failure, but the tires are as close to flat-proof as I've found.
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#4
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My wife and I only use them on our touring bikes but 32s. Thousands of miles on both bikes and can only recall one flat on each bike. Her’s was on an older tire and a somewhat typical flat but can’t remember what it was. Mine was while doing a day ride during a tour and a piece of metal lodged perpendicular to the rim piercing the tire on both sides. I never saw the road debris and if I was not on the bike when it happened, I would have suspected the tire was vandalized. I tell this story because this flat was so unique and unlikely to happen again.
My story about Schwalbes is typical among touring cyclists. I see no reason 25s would be different but that would be my only question about them. And if you can’t find more information about that size being more prone to flats, I would buy them and the wine at the same time.
My story about Schwalbes is typical among touring cyclists. I see no reason 25s would be different but that would be my only question about them. And if you can’t find more information about that size being more prone to flats, I would buy them and the wine at the same time.
#5
Miles to Go
The 25c's are extremely difficult to mount. I used a coupe of "C" clamps to hold the tire on the rim while I finished mounting it. I have been using larger sizes of Marathon Plus on other bikes, and only one sidewall flat. Like you, I am hoping that I don't have to repair a puncture along the road. If so, maybe the tire will be more compliant after using it for a time(?) Wishful thinking there I guess. Even with the flat I got (construction staple that went into the tread that didn't puncture, then the other end of the staple went into the sidewall), I didn't even know until the next morning.
#6
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Buy a Kool Stop Tire Jack and carry it with you. It makes a difficult job fairly easy. There are similar competing tools, too.
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#7
Roadkill
My experience has been that they stay hard to put on for the life of the tire.
#8
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Just a little post script. I hesitated on using my new Schwalbe Marathon Plus 25C's until I had another rear wheel puncture on my existing Vittoria Zaffiro tyres so I've only just started using them. A very harsh ride!
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Reassess tire pressure?
I have Marathon Plus (406-35) on my commuter bike and Marathon Supreme (700x32) on my road bike. On both bikes, I've been going to lower and lower tire pressure (maybe 30% below max) and have found improvements in ride quality without increased rolling resistance.
I have Marathon Plus (406-35) on my commuter bike and Marathon Supreme (700x32) on my road bike. On both bikes, I've been going to lower and lower tire pressure (maybe 30% below max) and have found improvements in ride quality without increased rolling resistance.
Last edited by sweeks; 06-05-21 at 07:35 AM.
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#10
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Reassess tire pressure?
I have Marathon Plus (406-35) on my commuter bike and Marathon Supreme (700x32) on my road bike. On both bikes, I've been going to lower and lower tire pressure (maybe 30% below max) and have found improvements in ride quality without increased rolling resistance.
I have Marathon Plus (406-35) on my commuter bike and Marathon Supreme (700x32) on my road bike. On both bikes, I've been going to lower and lower tire pressure (maybe 30% below max) and have found improvements in ride quality without increased rolling resistance.
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they do stretch. I got new rims put the month old tire o the front not hard but the new tire on the back was a real bear. these are 38's but I still struggled to get it on. but they are pretty flat resistant. but Have gotten flats from big nails and a couple small pieces of wire. once just rolling my bike through my woodworking shop got a small piece of wire in it. I got 8000 miles on the front. I goofed the black up so I don't know the milage I will get on that,
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The problem with lower pressure in the 25c Marathon Plus is there was never really very much air in there to begin with
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this other thing is called a "speedier lever" & does provide some features & benefits that customary levers do not. it gets used pretty much for all tire changes

my tire jack only works on narrow tires, perfect for 25mm tires

also, always pinch them & make sure they are well into the wheel channel, giving you more slack on the opposite side
Last edited by rumrunn6; 06-21-21 at 12:26 PM.
#14
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OK. I'm getting to like them and whilst they are still heavy and a bit harsh riding I do kind of feel invincible when riding through the unavoidable glass on the cycle path that runs parallel to the main highway where I'm guessing that drivers toss glass bottles over onto the cycle path.
I did puncture on my 'fender free' road bike that I use for sunny day commutes so I might get Schwalbe Marathon Plus tyres for that bike but in the 28C size.
Almost a fan.
I did puncture on my 'fender free' road bike that I use for sunny day commutes so I might get Schwalbe Marathon Plus tyres for that bike but in the 28C size.
Almost a fan.
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#15
OwainGyndwr
"I did puncture on my 'fender free' road bike that I use for sunny day commutes so I might get Schwalbe Marathon Plus tyres for that bike but in the 28C size. Almost a fan."
Going to 28mm is a good move provided you have the clearance. 32mm would be even better. Been using SMPs on all my commuter, utility and touring bikes for over 20 years. Probably 125,000 miles+ including 3 lengthy tours. 3 flats. When you realize you haven't flatted in 8 months you'll be a fan.
Going to 28mm is a good move provided you have the clearance. 32mm would be even better. Been using SMPs on all my commuter, utility and touring bikes for over 20 years. Probably 125,000 miles+ including 3 lengthy tours. 3 flats. When you realize you haven't flatted in 8 months you'll be a fan.
Last edited by GhenghisKahn; 11-13-21 at 08:01 AM. Reason: Misspelling
#16
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Had my first puncture after 875 miles commuting on some pretty crappy glass strewn bike paths. Incredibly I was about 250 yards from work so no dramas. No bicycle tyre could have withstood the chunky spike of glass that caused me to puncture. Unfortunately, 875 miles has NOT softened them up at all and getting the tyre off to change the tube was hard work and would have been a nightmare at the side of the road with cold hands.
#17
OwainGyndwr
Had my first puncture after 875 miles commuting on some pretty crappy glass strewn bike paths. Incredibly I was about 250 yards from work so no dramas. No bicycle tyre could have withstood the chunky spike of glass that caused me to puncture. Unfortunately, 875 miles has NOT softened them up at all and getting the tyre off to change the tube was hard work and would have been a nightmare at the side of the road with cold hands.
Well, they're still being made apparently:
https://www.bikeroar.com/articles/tannus-airless-solid-tire-review-aither-1-dot-1-road
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The latex layer is the clever part of Marathon GG and Plus tires, and what keeps them from being terrible. It provides more depth for anything to puncture through, but it gives back more energy than butyl rubber like the tread or casing. Conti has a similar tire. The larger Plus tires are really, really thick. 9mm. The latex layer is 5mm thick and there's the tread on top of that and the casing under it. I wonder if the 25's are as thick. I've joked before there wouldn't be any room for air inside... Schwalbe also has a cheaper tire that's their base compound all the way through and just as thick, but I don't think anyone is buying it. It must be a real pig.
Surely also small high pressure tires are in more danger from road hazards anyhow. Same weight on smaller contact patch = more pressure to push in road hazards
Surely also small high pressure tires are in more danger from road hazards anyhow. Same weight on smaller contact patch = more pressure to push in road hazards
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I also suspect -- without evidence to back it up

#21
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I just wanted to introduce myself. I am a 12 month cyclist up here in Boston until I make that down payment on a car.
anyway, I just installed the winter tires. And I'm bargain hunting on new summer tires. And I'm considering Schwalbe Marathon for my next tire.
So I just wanted to say thanks for the testimonials. You just made a sale (or two!)
anyway, I just installed the winter tires. And I'm bargain hunting on new summer tires. And I'm considering Schwalbe Marathon for my next tire.
So I just wanted to say thanks for the testimonials. You just made a sale (or two!)

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The key with Marathons (both regular and Plus) is to keep the pressure low. At maximum pressure they start to feel like wood. Higher still they feel like they are filled with cement. At minimum pressure the ride is luxurious and efficient.
Out of laziness I inflate mine to maximum and use them 2-3 months. The ride quality improves day by day. Much beyond 3 months they start feeling sluggish, at which point they are 10-20 psi below minimum, time to reinflate.
Out of laziness I inflate mine to maximum and use them 2-3 months. The ride quality improves day by day. Much beyond 3 months they start feeling sluggish, at which point they are 10-20 psi below minimum, time to reinflate.
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Well, I'm two years in with these now but not that much mileage as I was commuting on a different bike for quite a while but switched back about a month ago.
Type Brand Model Added Removed Distance Action
Frame b'Twin Triban 100 Since Beginning 5,657.0 km Retire | Delete
Front Tire Schwalbe Marathon Plus 25c May 28, 2021 2,402.0 km Retire | Delete
Rear Tire Schwalbe Marathon Plus 25c May 28, 2021 2,402.0 km Retire | Delete
Type Brand Model Added Removed Distance Action
Frame b'Twin Triban 100 Since Beginning 5,657.0 km Retire | Delete
Front Tire Schwalbe Marathon Plus 25c May 28, 2021 2,402.0 km Retire | Delete
Rear Tire Schwalbe Marathon Plus 25c May 28, 2021 2,402.0 km Retire | Delete
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I have just put some Marathon Plus 38s on a bike that I will use for some city streets commuting. Definitely hope they live up to their reputation. Thanks to folks in this thread for providing feedback on their experiences.
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