Like this site? Help us to make it better.


CST Pika gravel tyre



Good value tubeless-ready tyre which, although not the fastest on the road, is excellent on gravel
Strong value
Good grip on loose gravel
Tubeless ready
Noisy and not that quick on tarmac
Heavier than some

At every product is thoroughly tested for as long as it takes to get a proper insight into how well it works. Our reviewers are experienced cyclists that we trust to be objective. While we strive to ensure that opinions expressed are backed up by facts, reviews are by their nature an informed opinion, not a definitive verdict. We don't intentionally try to break anything (except locks) but we do try to look for weak points in any design. The overall score is not just an average of the other scores: it reflects both a product's function and value – with value determined by how a product compares with items of similar spec, quality, and price.

What the scores mean

Good scores are more common than bad, because fortunately good products are more common than bad.

  • Exceptional
  • Excellent
  • Very Good
  • Good
  • Quite good
  • Average
  • Not so good
  • Poor
  • Bad
  • Appalling

Although not the fastest on tarmac, the tubeless-ready CST Pika offers good durability and puncture protection, strong grip on loose gravel, and is rugged enough for rocky terrain. More expensive tyres can offer a more supple ride, but for year-round use the Pika is good value for money.

You may not have heard of Taiwanese brand CST (Cheng Shin Rubber) before, but it turns out it's actually the ninth biggest tyre manufacturer in the world – and the parent company of Maxxis. Who you may have heard of...

> Buy this online here

> Find your nearest dealer here

While the Pika has been part of its lineup for a while, it was only in wire bead form and skinnier sizes. The new Pika comes in either 38mm or 42mm (the version tested) with a folding bead, is tubeless ready, and weighs in at 550g. That's not too bad for a gravel tyre of this width; for example, it's lighter than the more expensive 42mm Specialized Rhombus Pro.

2021 CST Pika Gravel tyre 2.jpg

Fitting proved little issue on a set of Roval Rapide C38 rims, and with their 21mm internal widths the Pikas came up slightly wide at 43.5mm. On a 19mm internal width rim, they measure 41.5mm.

42mm may sound like a slightly random measurement for a tyre, but personally I'm a fan for the simple reason that they're the largest that will fit in my frame. It also seems a size the majority of gravel frames will take.

On smooth asphalt the Pika isn't quite as quick as some gravel tyres I've used, such as the Michelin Power Gravel or Schwalbe G-One; instead it's about the same as the G-One Ultrabite. On high-speed descents they're a little noisy, too, which does indicate that they're not the fastest rolling – that's potential energy disappearing as sound (and heat) instead of acceleration.


As the ground gets looser, the performance gets better. On fine, loose gravel climbs the ramped knobs provide plenty of traction, and cornering is also good thanks to the U-shaped knobs towards the shoulder.

2021 CST Pika Gravel tyre 3.jpg

On rockier terrain the Pika also performs well. The sidewalls proved robust after a few scuffs, with rocks unable to do any serious damage despite a fair bit of abuse. In fact, I suffered no punctures while testing whatsoever, despite overgrown trails and hedge trimming; sure, that's partially down to luck, but it does bode well.

The Pika features what CST calls an EPS layer, which stands for Exceptional Puncture Safety, and it certainly seems to work.

> 29 of the best gravel bike tyres for 2021 — get the right go-anywhere rubber

Comfort is reasonably good, although these aren't the most supple tyres thanks to that (effective) puncture resistance layer. The compound also feels quite tough and hard-wearing, and after more than a month of testing (including a fair few road miles and commutes) there is negligible wear.


At €32.95 (roughly £28 at the time of writing), the CST Pika is cheaper than many of the gravel tyres we've tested recently – especially the tubeless ready ones. The Specialized Rhombus Pro 2Bliss Ready is a similarly good year-round tyre, for instance, but is £42. The Schwalbe G-One Ultrabite mentioned earlier is just a penny less at £41.99.

While the CST Pika's performance on tarmac isn't the best, not everyone wants to go everywhere fast, and on gravel it proves usefully robust, grippy and dependable. It should last pretty well too – it's a great tyre for the money.


Good value tubeless-ready tyre which, although not the fastest on the road, is excellent on gravel

If you're thinking of buying this product using a cashback deal why not use the Top Cashback page and get some top cashback while helping to support your favourite independent cycling website test report

Make and model: CST Pika gravel tyre

Size tested: 700x42mm

Tell us what the product is for and who it's aimed at. What do the manufacturers say about it? How does that compare to your own feelings about it?

CST says, "Before the Pika, gaining traction on gravel roads was a true feat. Now, it's child's play. Ramped center knobs roll fast on loose gravel, and u-shaped shoulder knobs dig in on the turns." I agree that it grips well on gravel and cornering is also good. This tyre is good for anyone looking for a value-orientated year-round tyre that is prepared to sacrifice a little speed on the road."

Tell us some more about the technical aspects of the product?

Tubeless ready

EPS puncture protection

Available in 38/42mm sizes

Max Psi - 75

Also available as wire bead tyre

Rate the product for quality of construction:
Rate the product for performance:
Rate the product for durability:
Rate the product for weight (if applicable)
Rate the product for comfort (if applicable)

Average – the puncture protection layer does seem quite stiff, and not as supple as some.

Rate the product for value:

Very good value, especially if speed on tarmac isn't a priority.

Tell us how the product performed overall when used for its designed purpose

Well. It gives good traction on gravel and confident cornering, plus a decent road feel – though it's slow on tarmac.

Tell us what you particularly liked about the product

I had no punctures...

Tell us what you particularly disliked about the product

Slow and quite noisy on tarmac.

How does the price compare to that of similar products in the market, including ones recently tested on

As mentioned in the review, it's cheaper than most tubeless folding gravel tyres, especially the ones we've tested recently.

Did you enjoy using the product? Yes

Would you consider buying the product? Yes

Would you recommend the product to a friend? Yes

Use this box to explain your overall score

It's really good value – at least £10 cheaper than most tubeless gravel tyres – and although not the fastest on tarmac, it's grippy on loose gravel, can cope with rocky descents, and can be used year round. It does a great job for the money.

Overall rating: 8/10

About the tester

Age: 23  Height: 6ft  Weight: 74kg

I usually ride: Specialized venge pro 2019  My best bike is:

I've been riding for: Under 5 years  I ride: Every day  I would class myself as: Expert

I regularly do the following types of riding: road racing, time trialling, cyclo cross, commuting, club rides, sportives, general fitness riding, mtb,

Jamie has been riding bikes since a tender age but really caught the bug for racing and reviewing whilst studying towards a master's in Mechanical engineering at Swansea University. Having graduated, he decided he really quite liked working with bikes and is now a full-time addition to the team. When not writing about tech news or working on the Youtube channel, you can still find him racing local crits trying to cling on to his cat 2 licence...and missing every break going...

Latest Comments