Roller Size:16 X 2.125 } Lowest resistance hybrid ceramic

} Lowest resistance hybrid ceramic (ceramic balls and steel cages) available

or commuter drivetrain bike to attain the simplicity and reduced weight of a single front chainring but without giving up the gear range of a double

Primary Color Black Bead Wire Tire PSI 100 Tire Technology Cobweb Technology TPI 120TPI Tire Type Clincher Tire Weight 610g Tire Width 2

high strength-to-weight frameset with youth trail geometry

Roller Size:16 X 2.125 } Lowest resistance hybrid ceramicAn aggressively styled youth tire for all condition riding, our Roller tire comes in various sizes, from 12 to 24 inch, making it the perfect tire for your kids to learn how to shred. 12 x 2. 125", psi Max 40, approximate weight 280g 16 x 2. 125", psi Max 40, approximate weight 420g 20 x 2. 125", psi 35 100, approximate weight 580g 24 x 2. 125", psi 35 100, approximate weight 610g Bead: Wire Casing: 22 TPI for 12" and 16" Casing: 30 TPI for 20" and