Specialized S-Works Turbo Hell Of The North Tubular Tire Black/Transparent Sidewall 28 X 28 CheckoutSpec= Debonair Sealhead BB90-24: Fits all 24mm spindles

BB90-24: Fits all 24mm spindles on a BB90 frame and includes step-down 2-piece non-drive side reducer for use on GXP spindles

Campagnolo and SRAM 10/11/12sp drivetrains with 44

Flow Snap is expanded into Plus Size with more air volume for more fun in trail

Gas CO2 Color Black Cartridge Type 16g Threaded Included Cartridge Yes Defined Color Black

Matte Black

Specialized S-Works Turbo Hell Of The North Tubular Tire Black/Transparent Sidewall 28 X 28 CheckoutSpec= Debonair Sealhead BB90-24: Fits all 24mm spindlesDesigned to excel on roads such as the pave sectors of Ronde Van Vlaanderen and Paris Roubaix, the new S Works Turbo Hell of the North Tubular is born, and it's right at home in the worlds toughest events. The overall design supports you with more traction and comfort, and in the end, will give you more speed compared to other tires. The supple 290 TPI, cotton casing supplies you with a 15% improvement in damping and offers 20% less rolling resistance