650B

The Ground Control Sport is an exceptionally versatile trail tire that uses a tread optimized using Finite Element Analysis. This means that it rolls fast and provides increased grip and traction in nearly all conditions. - Casing: 60 TPI - Bead: Wire - Compound: 60a - 27.5 x 2.1", psi 25-50 - 27.5 x 2.3", psi 25-50

Specialized's Hardrock'R is a long-lasting tire with an aggressive, yet smooth-rolling tread with multi-directional knobs that are sure to improve traction and cornering over mixed terrain. And with the added benefit of its Flak Jacket flat protection, you'll be sure to hit it all with confidence and control. - Casing: 30 TPI - Bead: Wire - Compound: 70a - Flat Protection: Flak Jacket - 26 x 2.0"; psi 35-65; approximate weight 880g - 650b x 2.0"; psi 35-65; approximate weight 960g - 29 x 2.0"; psi 35-65; approximate weight 1000g

Specialized's Nimbus Sport Reflect tire has a smooth tread that rolls fast and serves as the perfect fit for any rider looking to get around town. There are many widths to accommodate different models, riding styles, and comfort levels, while the BlackBelt flat protection adds confidence for riding over rough city roads and bike paths. For an extra touch of protection, this model includes reflective accents that increase your visibility to motorists in low-light conditions. - Casing: 60 TPI - Bead: Wire - Compound: 70a - Flat Protection: BlackBelt - 650B x 2.3"; psi 25-50; approximate weight 800g

- Bead to bead tread - Urban assault tire

The Minion DHF has become the benchmark for riders wanting maximum control in loose and muddy conditions. - Directional ramped center knobs provide low rolling resistance - Minion signature channel cut side knobs provide excellent cornering traction - Intended use: loose, loose over hard, medium, wet

The Country Grip'r is an affordable all-condition off-road tire that rolls fast and provides excellent traction in everything from hardpacked to loose terrain. - All condition tread features moderate center lugs for climbing/braking, and progressive shoulder lugs for cornering traction

- Great value off road tire - High volume casing for comfort and performance - 30tpi nylon casing