12- to 24-Inch

Tightly spaced knobs for dirt use - Bidirectional - Engineered for BMX tracks, trail riding, and dirt jumping - Front or rear - Full Square-knob design Staggered, tightly spaced center lugs provide control at speed. The knob spacing increases near the shoulder lugs to produce two channels that hook up on both hardpack berms and loose dirt on the trails.

An aggressively styled youth tire for all-condition riding, our Roller tire makes the perfect tire for your kids to learn how to shred. - Casing: 30 TPI - Bead: Wire - Compound: 70a - Flat Protection: Flak Jacket - 24 x 2.125", PSI 35-100, approximate weight 610g

Specialized's Big Roller tire gives younger riders advantages that adult size bikes are getting. Wider tires, along with a new tread design allows for maximum traction and stability in many riding conditions. This leads to more fun and better confidence! - Casing: 60 TPI - Bead: Wire - Compound: 60a - 20 x 2.8"; Max Ride 20psi / Max Install 35psi; approximate weight 670g - 24 x 2.8"; Max Ride 25psi / Max Install 35psi; approximate weight 835g

The Big Boat tire features a built-in puncture-resistant Aramid layer, smooth-grooved tread that’s ready for pavement, designed to handle the demands of e-bikes.

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