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Tires & Tubes

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Recent Reviews

Continental Grand Prix 5000 AS TR Road Tire
5 rating
by Marin Cyclist
Cycling Enthusiast
Marin County, CA
Best tire I've ever used

This tire is fast, durable, puncture-resistant, supple, and sticky. I run a size 35c, so my only minor criticism is that it has some weight. I haven't used this particular version in smaller sizes, but I come from the time of running 23c GP3000 tires that were the best you could do at the time. They weighed much less, and I got flats all the time, and slid out on wet corners, and 120psi rattled my elbows. I run these tubeless and have been getting about 5000 miles out of a tire, without needing to repair any flats. I get curious about other tires, but I always just come back to these as they haven't let me down over 15K miles.

Reviewed 2/5/2026
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Continental Grand Prix 5000 TT TR Road Tire
4 rating
by CYinPA
PA
Fast and grippy

Can't really say a lot about these that would skew anyone's decision. They are fast and grippy, it seems almost every wheel profile is designed around a GP series tire, it's a solid choice.

They are way too expensive for a tire. For a bicycle. For a race tire they won't last long for sure, so you're paying for speed. Even on sale they are expensive. No one forced me to buy them but just from a practical standpoint, they cost too much.

Reviewed 2/2/2026
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Continental Grand Prix 5000 S TR Road Tire
5 rating
by Michigan roadie
Competitive Racer
Ann Arbor, MI
Plush Where It Counts, Fast Where It Matters

Running these tubeless has been a revelation. Mounting was straightforward, sealant setup was painless, and they've held air flawlessly. On the road, the GP 5000 S TR strikes that rare balance of low rolling resistance and real-world durability, all while delivering an incredibly supple ride. They're the plushest road tires I've ridden'soaking up rough Michigan pavement without feeling slow or vague. Fast, grippy, and confidence-boosting at speed. Benchmark-level performance.

Reviewed 1/29/2026
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Silca Ultimate Sealant, 1000ml
3 rating
by George
Daily Commuter
Great while fresh, messy afterward

Great race day sealant. Does not last months, rather weeks.

I have used the silca first and update sealant and its refill for over a year on gravel, road and MTB tires. Had great luck while the sealant is fresh. After weeks, sealant is exhausted and leaves a huge mess throughout the tire.

If you leave the bike stationary for a week, you'll find a large ball of coagulated sealant at the bottom, which results in unbalanced wheel and fun/terrifying speed wobble

As mentioned by multiple people, stem and valves needs constant cleaning

.

It's perfect if you use the same wheelset on daily bases and wear through tires every few months. Beyond that, i would stick with something less sticky

Reviewed 1/26/2026
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