5 ply (3 for casing plus 2 anti-puncture layers) renders excellent tread life. Zero punctures, flats, or tears after many miles of rough gravel. The Grand Prix 4 Season takes that sweet spot in the middle. B-Stock - This product has one or more B-Stock units available. The wider the tyre becomes, the lower the rolling resistance at the same pressure. Note that this comparison is between the 25 mm versions of each tyre. PSI: If the pounds remain the same the square inches remain the same. The rim of the tire (contacting the wheel rim), has started shredding strings, and they tend to go around my deraileur cogs. The 4-Season is much more durable and gives an equivalent ride to the 4000s. The graph below shows you the rolling resistance compared to the 4000 S II and Vredestein Fortezza Senso All Weather.
B-Stock units were returned from other customers and may have missing or damaged packaging materials. An example: a 28 mm tyre at 4.1 Bar has the same rolling resistance as a 25 mm tyre at 5.5 Bar. Black casing, with added DuraSkin sidewall reinforcement, provides protection against cuts and abrasion. If an item is no longer available, we will reach out via email or phone to alert you that we are canceling the order. VAT No: GB563969389 I work as a manager at Mantel.com. The 32 mm version also offers commuters with a trekking or hybrid bike the chance to say goodbye to those heavy, high resistance trekking tyres! Unavoidable road debris cuts the tread but the tough core protects the tube. The slight increase in tire weight provides a security tread for all conditions increasing my confidence in cornering at high speeds. Gravel trails in your local forest, rural country lanes- go wherever your want to go! ", Grand Prix 4 Season - 9/10 - Cyclist.co.uk. A lot of grip, specifically, and significantly improved traction in poor conditions. An added bonus is the freedom to do a little gravel racing. The narrow tyres have long, narrow contact patch on the road. We hope this clarifies things a little, but don’t hesitate to get in touch if you have any further questions! However have not had a flat…so I guess that’s good. Specifically optimized tread compound sustains excellent grip during wet weather and cold temperatures. PayPal Credit is a trading name of PayPal (Europe) S.à r.l.
All in all, I would recommend having a set of these 4-seasons on hand in case you are going to be riding in off weather. I live in Phoenix and our problems here are heat, gravel and stickers. We're sorry, but unfortunately, we're unable to ship this item to your country. C1031123 C1031225 C1031328 051342118625 051342118649 051342118663 Great tire. The 4-Season tyre is intended for the rider who’s on his or her bike year round, no matter the conditions. I've been active as an amateur racer for several years now in XC and Marathon events. Quiet, fast and handles assuredly on rough country roads. The folding design makes the tyre easy to get on and off a clincher rim. The Grand Prix 4-Season incorporates Continental's MaxGripSilica tread compound, specifically optimised for wet weather grip, low temperatures and extended tread life. Sigma Sports Limited acts as a credit broker “Licence Number 688619” and not a lender and only offers credit products from Secure Trust Bank PLC trading as V12 Retail Finance. I currently have these tires on two road bikes and will shortly put them on two hybrids (range of available sizes is another plus). Not nearly as much as you might imagine however! A double Vectran™ Breaker belt under the tread raises the puncture and cut protection to the highest level available on the market. It’s a way of exploring new territories on the bike, with fun as the primary goal. The one thing I do have to watch for, however, is the grip when descending. Weight: 23mm/230, 25mm/240, 28mm/280, 32mm/320 grams The ultimate combination of speed, low weight, and all-weather performance, combined with excellent puncture and sidewall protection. Did I mention the ride feel is great? Almost no flats even with broken glass from recycling all over city streets. I cannot fit a 28mm 4000s on my bike but I can with the 4 Seasons… and might be able to fit a 32. 430 TPI. Feel rock hard at 110 and 100 perfect for commuting and night rides for those sneaky bumps and cracks in the road. Then, in your next paragraph, you start by saying that the 32mm feels like it has higher rolling resistance than a 25mm tires. The 25 mm version can be inflated up to a maximum of 120 psi, whereas the 32 mm version tops out at 102 psi. These days, you can choose between 23, 25, 28, and 32 mm widths, but why would you pick which size? The best tire I have for on rough and chip seal roads. The Continental Grand Prix 4 Season is a popular bike tire among consumers and professionals alike. 9 of 10 customers found this review helpful.
maybe. Please enter your registered email address below and we'll send you an email explaining the next step. We combine our hands-on experience across more than 1,500 miles with third-party feedback so you can stay informed. I bought the 4-Season because I prefer the extra protection vs their normal racing ones, however the 4-Season tires are fast tires too. You won’t need to hold on for dear life when you’re on your mate’s wheel. Kevlar beaded folding tire. An ideal tyre for winter training which enables you to still go fast, but without having to worry too much about punctures.
I was thinking about the Continental Grand Prix 4 Season 700x25mm tires. Sigma Sports Limited acts as a broker and offers finance from a restricted range of finance You’re correct that reducing the wider tire’s pressure will cause it to roll less well. Tough tire and the best one I�ve used on roads full of pebbles, broken glass and other shrapnel. It’s entirely true that this relationship appears linear in the graph we’ve posted, but there’s a point at which that relationship turns against wider tyres. The full manufacturer warranty applies. only. Shimano MTB Groups overview – All Shimano Mountain Bike Groupsets in order, Always dry and warm? The Grand Prix 4-season tire is a top-level racing clincher for wet and winter conditions. Finally, we need to take into account what pressures a bigger tyre can actually handle. I could but wont' name a few duds that cost about the same. Finance provided by PayPal Credit, Terms and Conditions apply.
UK residents Coupons can not be combined with promotional gift certificates, however, purchased gift certificates may be used with the coupons. I change my tires roughly every 3,200 miles to be safe but could get substantially more had I wanted to. So measure the width of your current tyres: if you’re running 25 mm tyres at the moment, but they measure in at 24.5 mm, then you may assume a wider tyre will also be 0.5 mm narrower than expected.
As the volume increases, so does the height. With the addition of all this protective material, you might be tempted to think the tyre has become a lot heavier, thereby increasing the rolling resistance. According to your graph above, though, a 28mm can be deflated to around 85# and it will match a 23mm at 120#. If you want lightweight racing tires with low rolling resistance, these ain't those. YAY? The fact that it’s still a popular item in our range of products shows you just how good these tyres really are. Another advantage to a softer compound is that the rubber won’t become quite as hard in cold conditions. I buy a new set for the summer tours then ride them out in the wet falls and winters of the Willamette Valley. Hopefully there is a warranty, Cyclists in the market for a new mountainbike need to pick a suitable groupset to go with it. Black casing with added DuraSkin sidewall. The well-known 4000 S II tyre is made using a woven carcass with a Vectran Breaker over that, and a layer or rubber which then forms the tread. I've used these tires for when I'm going to do a long ride in the rain or when I'm going to be going over more difficult roads. These units can be purchased at a discount (see option select). This is a much better tire IMO and a better price. Enough theory at this point…. At 32 mm in width, these tyres are another 4 mm wider than the 28 mm tyres mentioned in the graph.
If there are extenuating circumstances sourcing your parts we will reach out to you with an updated build timeline. Continental's tough Grand Prix 4-Season is even tougher with the addition of the Vectran anti-puncture breaker. I'm happy to get 1,500 - 2,000 miles on a set of tires and the GP 4-Seasons will do that easily. A few guys fell in a set of technical corners but I was able to get through with confidence with these tires. The all-year-round tire and a reliable companion for those high mileage road cyclists. Balanced and Tough Spin without any wobble adjustment needed. 5 of 5 customers found this review helpful. 1 of 1 customers found this review helpful.
When the race season ended this last season I slapped a pair of these 4 Season 28's on the bike and have really enjoyed them. Black casing, with added DuraSkin sidewall reinforcement, provides protection against cuts and abrasion. (Pumps with pressure release buttons will avoid this. I have used these tyres in Spain in the mountains and the grip and rolling resistant was excellent and I m a big rider. Click Here for more information. The 32 mm tyre at 5 Bar does a great job of filtering out any imperfections in the road. "Puncture resistance is way above that offered by the fastest race tyres yet rolling resistance feels pretty similar.
Beware, tire size is larger than rating.. 10 of 10 customers found this review helpful.
32 of 33 customers found this review helpful. Your information will never be shared unless compelled to by law. We are committed to delivering outstanding value and service to our customers, every day.
The softer the rubber, the better it can stick to the tarmac- something you especially notice in corners. A true racing tyre is lightweight, has low rolling resistance, but doesn’t offer much protection from punctures. JP Continental Grand Prix 4 season tyres. Try us today to see why so many of our customers come back again and again. 0 of 2 customers found this review helpful.
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