Specialized Big Roller Black 24X2.8 MPFN-386EVO-DUB-C 5-inch size it's smack-dab-half-way between

5-inch size it's smack-dab-half-way between a 26" wheel and a 29" wheel

Stroke (mm) 55 Metric Yes Lockout Switch Shock Mounted Switch Eyelet Diameter (mm) Trunnion 12

Adjustable pins

Ideal for racing and other high mileage cyclists

Specialized Big Roller Black 24X2.8 MPFN-386EVO-DUB-C 5-inch size it's smack-dab-half-way betweenThe Big Roller tire gives younger riders advantages that adult size bikes have. Wider tires allow for maximum traction and stability in many riding conditions. This leads to your little ones having more fun and better confidence. 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 Bead: Wire Casing: 60 TPI Compound: 60a