A high-performance road tire exhibiting great grip, puncture resistance, and aerodynamics at a competitive weight - Anti-flat belt protection improves puncture and side-cut resistance - Aerodynamic sidewall 'fins' fills the gap between the tire and the rim

Boston, the original hotbed of North American 'cross and home to some of the nastiest courses. If you're flying into Boston's Logan airport, you better be ready for rain, roots and mud. The BOS, even more aggressive than the PDX, has buttressed side knobs for outstanding traction in super muddy corners and off-cambers, plus center tread that's all bite when it comes down to a tractor pull. - Clincher size: 33 x 700 - Weight: 397 grams tubeless ready - Tractor style tread for the harshest mud - Buttressed side knobs for excellent corning traction - Tubeless ready with proprietary tubeless casing - 120 TPI folding lightweight and aggressive

Tight enough tread spacing for high speed, drag-free onslaughts, yet blocky and tall enough to really dig in when it comes time to slam on the brakes. A rounded profile and staggered, supportive side knobs keep clamoring for traction even as the trail loses its camber. Most often used as a rear tire, the Trail Boss also keeps the front in check on hardpack trails. Want to go out and own it? Be the Trail Boss. Usage: XC / Trail / All Mountain Conditions: Dry to Damp / Hardpack to Loam - 29 x 2.25 TCS Tough/Fast Rolling: 1050g, Dual DNA compound - 29 x 2.25 TCS Light/Fast Rolling: 795g, Dual DNA compound - 29 x 2.25 Comp Tube-Type: 967g, DNA compound - 29 x 2.40 TCS Light/Fast Rolling: 917, Dual DNA compound

Born out of a need for unwavering traction in every corner of the world, the Vigilante is WTB's premier aggressive trail and enduro tire. The square-lugged, open-tread pattern offers stability through wet or dry, while the prominent outer knobs grip at lean angles like nobody’s business. Ample spacing ensures it flings mud, while also allowing the knobs to bite into loose, chunky terrain. - Usage: All Mountain / Enduro - Conditions: Wet to Dry / Loose, Rocky, Mud - TCS Light/High Grip: 947g, Gravity DNA compound - TCS Light/Fast Rolling: 900g, Dual DNA compound - TCS Tough/Fast Rolling: 1151g, Dual DNA compound - TCS Tough/High Grip: 1141g, Gravity DNA compound

- Ultimate Speed on Hardpack - Low profile and compact tread spacing for riding quickly and confidently over any type of hardpack terrain, in dry or wet conditions, enhanced by the SmartGRIP Compound properties. - The best choice for XCM courses where terrains can vary but speed is fundamental, all with a high level of reliability for a longer lifespan.

- The favorite among downhill and enduro experts. - The perfect choice for virtually any track. - Intermediate tread: maximum brake traction and corner grip even on extremely muddy terrain thanks to strong shoulder studs and the aggressive, open tread design. Specs: - Tire Diameter/ISO: 27.5''/584 - 67 TPI - Bead: Folding - Tire Compound: Addix Soft - Tire Technology: Super Gravity, TL Easy - Tire Type: Tubeless Ready - Tubeless Technology: Tubeless Easy

When you roll up to the starting line, you know you've got an aero advantage if your wheels are wrapped in Zipp's Tangente SL Speed Tubular Tire. The 320 TPI cotton casing is tough enough to tackle the ugliest stretches of blacktop, while the puncture-resistant belt keeps you inflated and rolling through the finish line. Zipp focused on improving leading edge airflow to get you that aero advantage, and the low rolling resistance saves power so you go faster longer. They even formulated rubber specifically tailored for grip and acceleration you'll notice as you're sprinting for the line. Your tires link you to the pavement; make that link as efficient as possible with the Tangente.