page to read in detail about how we test bicycle tires. All rolling resistance tests are performed on our rolling resistance test machine. Is there any additional risk of punctures running the narrow 18-20mm latex tubes in a 23mm tire on a C2 rim? Liam Cahill. Here are some links to the new Bontrager R4 and R3 series clincher tires. We sell summer and winter tires in Canada at discount prices from all major manufacturers such as: Toyo, Yokohama, Bridgestone, Firestone, GoodYear, Dunlop, Falken, Kumho, Pirelli, Continental, General, Maxtrek, Minerva, Cooper, Sailun and many more. The 220TPI casing on the R4 road tire is incredibly supple for outstanding handling, and the ultra-low rolling resistance compound means faster rolling. When used by road teams, rolling resistance is one of the most important criteria and when looking purely at the specifications, this should be their fastest tire. Thanks - guess I'll order up a bunch of 18/20 latex tubes. When used by road teams, rolling resistance is one of the most important criteria and when looking purely at the specifications, this should be their fastest tire. I understand the difference. Hammering climbs. It's interesting to see if the Bontrager engineers have been able to improve the compound and puncture resistance compared to the Vittoria original that appears to be the gold-standard in cotton tires. Check our The Test First off, thanks so much for your work on the CRR charts. This page includes all data collected by our tests including all size measurements and rolling resistance and puncture resistance test results. Okay, sounds like the 19mm AW on the back and 23 AW or R4 Aero up front is my best combo unless I swap out the disc for the C2 version. Before i hit the road with my new bike (Trek Madone 4.5) i checked the Bontrager website to discover what kind of tires they had put on my new bike, i couldn't find any information about the traction related to weather influences. If you have to use the R4 320 because you're sponsored by Trek/Bontrager and get these for free, you're probably not leaving much on the table. In the tread puncture resistance test, the R4 320 scores 10 points which isn't all that exciting. Read it's strength, weaknesses, find deals and pricing - roadbikereview.com On some tires with weakly bonded casing wires, the sharp needle can split the casing wires resulting in a lower score. Found cracks on side of the tires, and sent pictures and the invoice to Nokian USA. In 1934 we developed the world's first winter tire. Bontrager’s latest top-of-the-line racing tires are built for speed and reliability for everyday use. Bontrager have four new tubeless-ready road tires, too – the R3 TLR ($80, 270g) and the R2 TLR ($60, 310g). We also offer a wide variety of steel wheels, rims and mags for both summer and winter. 17116 Bob's Gap Rd, Valyermo, CA 93563-0056661.944.5239slowman-AT-slowtwitch-DOT-com. The Bottom Line: Bontrager R3 Hard-Case Lite Tires. Traction has been reliable and rolling speed feels on par with other comparable tires. The Vittoria Corsa G+ seems to be a bit stronger and comes with a thicker tread, but has a slightly higher rolling resistance than the R4 320. Any Canadians with/had a hip labral tear here? The aero wings on these tires do not contact the rim as the current RXL TT Aero Wing tires do - in fact there is a slight gap between the rim and tire. Not recovering IT Band Friction Syndrome!! I have 800 km on my new bike and I have now blown both Bontrager R4 on my bike. Same difference from my perspective as my primary issue with tubulars when I had them was a flat meant throwing a $75-100 tire in the trash - short of cutting it open and trying to mend the tube inside. Ok Fishes, here is the interview we were all waiting for!! The work that has lasted for generations, along with the valuable feedback from northern motorists, has refined the modern winter tires to be extremely safe. If, however, you value ride time vs downtime, consider spending a few bucks more. Real measured width on a 17C rim, at an air pressure of 100 psi is 25 mm. What's your opinion on the relative benefit of running the 19mm AW on the narrow disc vs. the lower rolling resistance of the wider tire - is the wide tire w/ narrow rim a poor choice? Battle of the frames: Felt IA 10 vs IA 1? / 5 The R3 boasts 120TPI casing for supple handling and great rolling resistance. Naturally, they possess all the qualities you'd expect from performance-focused rubber such as … The R3 series is “mid-high” on the ladder – a step below the R4, but above the R1 and R2 in terms of price and performance. Total Puncture Score: This score consists of Puncture Force Sharp Needle, Puncture Force Blunt Needle, and Total Tire Thickness. Although the measured size is very close to the rated size, keep in mind the Vittoria 25-622 tires actually measure closer to 27 mm on a 17C rim. Bontrager further claims the R4 320 to have amazing road feel thanks to its supple cotton casing yet is also extremely durable and puncture resistant thanks to the "Hard Case Lite" protection that is applied under the tread. Weight is a bit lower than the specified weight (230 gr) at 226 grams. The 23/25mm widths are only options if your frame won’t fit 28’s in my book. The Best Road Bike Tires: Road Bike: GP 5000 Endurance Test: Road Bike: GP 5000 23, 25, 28, 32 Comparison: Road Bike: Tubeless Sealant Rolling Resistance: MTB: Tubeless vs Latex vs Butyl Tubes: Tour: Marathon 32, 37, 40, 47 Comparison: Fat Bike: Tubeless vs … I have the standard clincher with a butyl tube - best I could do at the local shop 30min before they closed. The 3-series line also has two distinct sub-types – the standard R3 performance tire, plus the AW3 (All-Weather), which is focused on puncture protection and grip for poor conditions. Bigger tyres don’t have to cost you speed Our rating . If I needed some cotton tires and had to pay for them myself, I would probably go for the low rolling resistance Turbo Cotton, or grab the Corsa G+ for the better puncture resistance and lower price. To be exact, the Turbo Cotton scores slightly worse on puncture resistance but has a lower rolling resistance. 4Tires.ca offer the best price on renown winter tires brand for customers all across Canada. Of the cotton tires, the Bontrager R4 320 seems to slot in right between the Specialized Turbo Cotton (read review) and Vittoria Corsa G+ (read review) in both the rolling resistance, puncture resistance, and tread thickness tests. The all-new R3 Hard-Case Lite TLR road tire is fast-rolling, easy to install, and hard to flat. Statins: experience training and racing on them, Swimming-Related Injuries: A literature review and injury risk screening, New Tacx Neo Smart vs Wahoo Kickr trainers, http://www.pasty.com/...ssages/994/1553.html. Puncture Force Sharp Needle: Pre-2021, this score was known as 'Puncture Resistance'. Original review: Oct. 18, 2019. R3 Hard-Case Lite TLR also has a wider 700x32 option with either black or brown sidewalls. Learn more at www.trekbikes.com. Full side by side tire comparison: Bontrager R4 320 vs Continental Grand Prix 4000S II. Bontrager R3 Road Tires Clincher user reviews : 3.4 out of 5 - 12 reviews. Diving into corners. That link does take me to the page for the R4 Aero, but there is no Buy Online option yet. Get inspired gear, informed advice, 100s of brands – all backed by our Rocksolid Guarantee. Recommended, Tubolito inner tube rolling resistance tests, A simple overview of our most recommended road bike tires, Comparison of the 23, 25, 28 and 32 mm Grand Prix 5000, Overview page with all road bike tires that have been tested, G-One Speed Super Ground V-Guard SpeedGrip. It's equipped with updated Hard-Case Lite puncture protection and a lightly-treaded design for traction and confidence through every corner. Compex Elite vs Performance - which one to get? R3 Tires. Shop for Cycling shoes at MEC. Speed is your thing, and you need tires that can handle those demands. Bontrager R4 Road Tires - Clincher ... Michlen Pro Race 3, Bontrager R3, Conti GP4k, Conti GP4Ks, Specialized Mondo [Nov 15, 2013] Trek Fan. Bontrager R4 Classics Hard-Case Lite Road Tyre. I can't find them for sale online but haven't tried to contact a Bontrager dealer. Need a Doctor in the LA/SD area who specializes in Endurance Athletes... Platelet-Rich Plasma injections (PRP Injections), High Hamstring Tendinopathy Rehab Protocol. Official Giant Trinity Advanced Owners Thread, New Giant Trinity Advanced Hydration and Bento, 2016 Giant Trinity Advanced Pro Cable Issues, Official 12th Annual 2018/19 Slowtwitch 100/100 Run Challenge Thread, 2018/19 100 Runs in 100 Days Airing of the Grievances Thread, 100 Runs 100 Days 2017-2018 Challenge Thread: Dec 15-Mar 23. Full side by side tire comparison: Bontrager R4 320 vs Continental Gatorskin. I pressured them both to 110 psi (range on tire states 90-125 psi) and went out for a ride today. The Bontrager R4 320 tyres had a rolling resistance of 34.1W at 40kph when using the above protocol. I Googled for these but am unable to get to the pages from the Bontrager or Trek websites - tried AOL and MS Explorer. R3 tires, also known as turf tires, are designed to minimize turf damage with their shallower tread depth. Otherwise this would be a good tire on a second bike or second wheelset. 4.0 Slowtwitch approved IT Band rehab? As of today, the standard R3 line is all-new. The Bontrager R4 320 is a hand-built cotton clincher tire which is used by a lot of road teams that are sponsored by Trek/Bontrager. RATING: Bontrager's R3 Hard-Case Lite road tyres have been designed for speed. Calf muscle pull or tear? To convert from a static lab test value to a more dynamic puncture resistance score, the thickness is used to calculate the total puncture resistance. The 28mm R4 Open Classics is a totally new tyre compared to the brand’s standard R4. How do you feel IRONMAN is dealing with transfers/cancels during the pandemic? 95% recommend our tires. Yes, they share a similar cotton sidewall, but they receive a … This value will give the best indication of real-life puncture resistance. Preventing Iliac Artery Endofibrosis - Cycling Overuse Injuries. NOTE: As of 2021, we've improved the puncture resistance tests and now provide 'Total Puncture Score' as the main puncture resistance indicator. Don't forget to take a look at the overview pages to make it easier to compare all bicycle tires that have been tested: The R4 320 is only available in the bigger 25-622 size. My front is a C2 Jet 90 but my rear is currently a standard width Jet disc (early pre-C2 production model). The Bontrager R4 320 is a hand-built cotton clincher tire which is used by a lot of road teams that are sponsored by Trek/Bontrager. The Corsa G+ scores slightly better in the puncture resistance tests but has a higher rolling resistance. 4Tires.ca is an Online tires website that offer top brands products at cheap prices. Is swimming safe? I had an unfortunate slash in my AeroWing TT tire last week so it's time to get some new rubber for the tri bike. Son of a Marathon runner, Nephew of a National 24hr Champion, the racing genetics have completely passed him by. Any progress on these being available yet? These tires are often a good choice for compact tractors that will primarily be used for mowing or when working around your lawn or garden. @1999-2020 Slowtwitch, Inc., and Slowtwitch.comReproduction of material from any Slowtwitch.com pagewithout written permission is strictly prohibited. All size measurements are taken at an air pressure of 100 psi / 6.9 bars on a 17.8 mm inner width rim. If you want the fastest (non-tubeless) cotton tire out there, the Specialized definitely is the tire to have. The R4 Plus has aero wings, increased grip for racing, a puncture resistant belt, and a more conventional tire size and shape so designed as a racing tire. I do find it interesting to see the Vittoria Corsa G+, Specialized Turbo Cotton and R4 320 to all score very close to each other in the puncture tests. It's October - go swim (monthly fish thread), For the Fish: Ankle Flexibility and Kick Free vs Back. Hopefully the data will confirm this. How long to recover from a calf heart attack. Illiac Artery Endofibrosis - I've got it. I have no intentions of keeping that tire on my race wheel. Known as R3 Hard Case Lites, these tyres are available in 23, 25, 28 and 32mm widths and retail at a fair pricepoint. R3 tire models come in 700x23, 700x25, or 700x28, with reflective options for 700x25 and 700x28. Bontrager's new R3 Hard-Case Lite tires are available online at trekbikes.com and through Trek's global network of retailers. It's a clincher Mondo Pro - no tublars for me. In contrast, the hugely popular Continental GP4000S II came in … To puncture the tire, the blunt needle has to cut the casing wires. Confident traction and a fast-rolling yet grippy tread give this hand-made road tire uncompromising performance and road feel, and Hard-Case Lite with polyamide synthetic fiber reinforcement adds puncture protection and durability. These tires feature a durable, yet fast, tubeless ready design so you can run lower tire pressures for increased traction, comfort, and control. The cobbles of Paris-Roubaix were the inspiration for the R4 Classics tire. FREE SHIPPING with $50 minimum purchase. Bontrager R4 Classics Hard-Case Lite Road Tyre 2018. Total Tire Thickness: The puncture force tests are static and test the force required to puncture the casing and anti-puncture layers. We’ve recently been road-testing a pair of big, fat 32mm road tyres from Bontrager, Trek’s high-quality in-house accessory brand. Read the reviews from users of our products, or write your own. Featuring Hard-Case Lite sub-tread puncture protection with an optimized tread gauge for durability and a butyl liner for reliability, the R3 TLR keeps great road feel and low rolling resistance. This is a great performing and comfortable road tire with reasonable durability. Bontrager R1 Road Tires - Clincher ... but I don't think I would argue with the price/performance. In This video, we check out the Bontrager R3 Road Tire. This page includes all data collected by our tests including all size measurements and rolling resistance and puncture resistance test results. About 4 Tires Canada. I bought 4 Nokian eNtyre 215/55R17 from Amazon 2.5 years ago. First, thanks for all the effort you put into rating tires. You rock. If the text below mentions puncture resistance, we're referring to 'Puncture Force Sharp Needle' which was our original test. Add Hard-Case Lite for lightweight puncture protection, and you've got the perfect racing tire. Our test bike complete with its fat 32mm Bontrager tyres at Glenelg in Adelaide. The total measured thickness of the tread is 2.2 mm which is slightly less than the Vittoria Corsa G+ (2.4 mm), but thicker than the Specialized Turbo Cotton (2.1 mm) The sidewalls have an average thickness of 0.8 mm which is also in-line with the cotton competition. Home BRR Pro Road Bike Mountain Bike CX/Gravel Tour/E-Bike Fat … Full side by side tire comparison: Bontrager R4 320 vs Continental Grand Prix TT vs Vittoria Corsa G+ 1.0 (open). After inspecting the R4 320 a bit closer, it looks a lot like a Vittoria Corsa with a different tread glue on. City-line sprints. Unfortunately, it does get outperformed by the Specialized Turbo Cotton (read review) which is still the fastest (non-tubeless) cotton tire on the market. We offer discounts on winter tires and delivery service from our warehouses directly to your home. R4 tires are most commonly used in roadwork or hard ground applications. I was looking for a website like this with reviews about this Bontrager tires because i slipped away in a wet turn with minimal speed. So assuming I stick with the narrow rear rim would you suggest a 19mm AW or a 22mm R4 aero (assuming I can find it)? Bontrager R3 Hard-Case Lite TLR 32mm tyres review. That's interesting that the gap would still give the aero benefits but also improve rolling resistance. Ian and Pancho bring you a breakdown of Bontrager's road tire line up. Definitely going with some version of Bonty. [Sep 13, 2014] Ozzie. TEST VERDICT: Official FIT ASSISTANCE for Canyon Speedmax CFR, CF SLX, and CF (disc & rim brake), Official Canyon Speedmax CF Owners Thread, Official FIT ASSISTANCE for Cervelo TT and Triathlon Bikes. I'm pretty sure at least the casing is made by Vittoria in their factory in Thailand. Puncture Force Blunt Needle: The Blunt needle has a flat tip and won't split the casing wires. In the rolling resistance test, the R4 320 performs very strong and outperforms important competitors like the Vittoria Corsa G+ (read review), Conti GP4000S II (read review) and Schwalbe One V-Guard (read review) by a small margin. This page includes all data collected by our tests including all size measurements and rolling resistance and puncture resistance test results. R4 Tires. Sports Hernia/Inguinal Disruption Surgery. NOTE: As of 2021, we've improved the puncture resistance tests and now provide 'Total Puncture Score' as the main puncture resistance indicator. Bontrager 2018. bontrager.
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