Specialized S-Works Turbo Cotton Tyre - Tubed m8100 With its spherical lens

With its spherical lens

Its asymmetric design ensures smooth front and rear shifts while reducing drivetrain noise

Compatible series

Carbon composite plastic material of hood

Specialized S-Works Turbo Cotton Tyre - Tubed m8100 With its spherical lensWe're not afraid to say that our GRIPTON compound is the best out there. And when combined with an ultra supple 320 TPI cotton casing, you get a tire that's very specialyou get the Turbo Cotton tyre. Both materials stand for master craftsmanship, and they work in harmony to reflect our dedication to building the world's fastest tyres. By bringing both of these materials together, we've created the best clincher tire out there. It provides a clear cut