Specialized has officially launched a tubeless-compatible version of its Cotton tyre today.
The Turbo Cotton and Cotton tyres have been in the Specialized family for many years, with the original clincher tyre being used by Tony Martin to win the World Time Trial Championship way back in 2012.
This wasn’t the first time we’ve seen them, however; we spotted them with logos Sharpied out all the way back in June 2025 at the Critérium du Dauphiné, so they’ve been a long time coming.
At times, I believe the Specialized tyre product range can feel a little confusing. Here’s some clarification on how things stand.
The original Turbo Cotton is still available in 24,26 and 28mm sizes. This is a tube-only tyre with the easy-to-recognise golden/yellow sidewalls. Specialized also made a HOTN – Hell of the North version with a little more protection and tread, but that can no longer be found on site.
There’s also the ‘Turbo Cotton Folding Racing Only tyre’, which is available in 26 and 28mm sizes. This 320TPI tyre has the T2/T5 compounds and a cotton casing, but is for tubes only.
This time last year, at Opening Weekend, we spotted teams using the S-Works Turbo TLR tyre, most easily recognised by its different sidewall colour and tyre hot patch logo. This model is tubeless-friendly and goes upto a 30mm size.
It seems the requirement was there for a tubeless tyre with the…
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