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Challenge Strada Pro Road Tire Black/Black - 700c x 25mm
Challenge Strada Pro Road Tire Black/Tan - 700c x 25mm
Black/Black - 700c x 25mm
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Challenge Strada Pro Road Tire Black/Black - 700c x 25mm
Challenge Strada Pro Road Tire Black/Tan - 700c x 25mm

Strada Pro Road Tire

Mfg PartNum:
  (8 customer reviews)
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Acceleration, traction and comfort. The Strada 25 Open is a high performance road clincher with a bit of extra width for training or racing on rougher roads.

The Strada is a handmade "open tubular", meaning it's a clincher tire that's constructed like a tubular for a supple and responsive ride. Challenge uses a 300 TPI carcass with an exclusive high density rubber compound and chevron textured tread. A thin layer beneath the rubber, which they call PPS, prevents punctures and cuts without slowing you down.

The Challenge Strada 25 Open is available in 700c x 25mm (25-622 ISO). 95-125 recommended PSI. Folding bead. Black/Black. Claimed weight: 24 grams.

Note: This clincher tire is somewhat confusingly labeled as an "Open Tubular." It fits standard clincher rims.

B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.

The product weight specified is an approximate weight based on the manufacturer's specifications (if available) or our measurement of one or two examples. For most products, the weight will typically vary by 5% to 10%.


Weight: 240 grams


Wheel Size: 700C/29" (ISO 622) 


Tire Width: 25mm (1.0in) 


Tire Type: Clincher-Folding 


Application: Performance Road 


RimSize: 622 mm


Width: 25 mm


ISO (ETRTO) Size: 25-622 mm


Threads Per Inch: 300 TPI


Max Pressure: 125 PSI

Black/Black - 700c x 25mm

Mfg PartNum: 00509 

Black/Tan - 700c x 25mm

Mfg PartNum: 00508 

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5 stars
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1 stars
Awesome tire!
by Anonymous
Bose Idaho
0 of 1 customers found this review helpful.

This thing is the best feeling tire I've ridden since sew-ups. They seem average for durability with only minor cuts from debris in the tread. On my first ride I managed to put a 16 pinney nail through the sidewall. Over 900 miles later they are still going strong. I figured the casing would come apart from that nail but so far it hasn't. They are tight when you first install them but I didn't need tire irons to get them on the rim. It looks like they should last over 2000 miles but I don't think they will make it to 3000?

Reviewed 3/1/2018
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Too hard to mount. Bought two. One was a wrestling match and the other was impossible. I agree with other reviewers about poor quality control. Otherwise a beutiful tire, very old school sewup like.
by Old Rider
Cycling Enthusiast

Beautiful tire that is impossible to mount on my HED Ardennes.

Reviewed 5/24/2021
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by dabrains
Detroit, Michigan
1 of 1 customers found this review helpful.

I really wanted to like these tires. There's so much variability in the production that some you can mount with your hands others you need to pry on with tire levers. I guess the final straw was finding quarter inch slits in front and rear tires without any real wear on them yet. They're just too soft of a tread and too much variability in production to be confident on any sort of ride. I've had more flats with these than I've had mirrors, probably 5 to 6 in one season. when they were mounted on my bike they rolled grade and fell super. I just can't get over how few miles I've been able to put on them confidently.

Reviewed 4/22/2019
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Really a smooth easy rolling tire.
by Anonymous

It takes plenty of bby powder and tire levers that are thin to mount th tire onto the rim. Mount tire without the tube and let it sit for a day to stretch then go for it. Ride quality is awsome!!

Reviewed 12/20/2018
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One of my all time favorites
by Larry T.
Cycling Enthusiast

Life is too short to ride on cheap, stiff tires! But if you're uninterested in gluing and otherwise fooling around with tubulars, these are the next-best-thing, especially when-if you get a flat - just pop in a new tube and you're on your way. These are right up there with the much more popular-famous V brand when it comes to ride quality. Swap 'em front to rear as soon as the rear shows signs of wear and you'll get a lot of life out of these, though they're not the tires for those who crash over potholes or won't ride around glass and other road debris. Enjoy cycling! Ride on high-quality tires!

Reviewed 11/26/2015
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Roll and grip like no other - but come break down on carbon rims
by Anonymous
Competitive Racer
Orange County, CA
1 of 2 customers found this review helpful.

My first few rides on these tires were fantastic. The roll so smoothly and I could corner with more confidence than I've felt on the old Vittoria Open Corsa's. However after about a few rides I started hearing a thudding noise coming from the back tire. Upon inspection I noticed that the sidewall had bulged and was hitting the brake pads. I took them back to the shop and was able to do a return but then the next tire did the same thing. The shop owner told the Challenge rep about this and the rep mentioned something along the lines of yes, this is known to happen when using these tires on carbon rims. I think this is a bit ridiculous given the near ubiquity of carbon rims these days.

If Challenge can address this particular issue, then I'll be back on these tires in a heartbeat. Until then, I'm sticking to the tried and true Vredestein Tri-comps.

Reviewed 7/28/2015
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Update for my previous review
by Anonymous
Cycling Enthusiast
Suburbs of Philadelphia
1 of 1 customers found this review helpful.

I've put these tires through the ringer now and absolutely love them. Completed an 82 mile ride yesterday at the Hell of Hunterdon with about 15 miles on wet, variable condition gravel/dirt roads. People were flatting all-over. Not me. These tires are a beast and still look like new after yesterday's hell. I was waiting for a flat...never happened. And some spots on the course were nasty. My new favorite tires. Hope you get them back in stock so people can purchase these. Highly recommend. So far since I've installed them I logged 500 miles and no punctures.

Reviewed 4/5/2015
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Mount on rim without tube for a week to stretch, best tire you could ask for.
by Mr Off Route
Cycling Enthusiast
San Juan Island, WA

Open tubular Challenge tires live up to their name when first mounting. Install without a tube and let the bead stretch for a week, afterwards they'll be fine! These tires roll as well as any, are tough yet smooth, and super sticky. Keep inflation to a minimum in order to appreciate how good they are. I have measured these at 27 and 28 mm though labeled 25. The Challenge Roubaix, labeled 27 mm, comes in more toward 30 and makes a really nice front tire. Sadly, it won't fit between my chainstays. Our roads are rough, we do gravel, moss and grass also.

Reviewed 9/25/2017
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