Specialized Roller 12 x 2.125 Tyre locks Casing: 22 TPI for 12"

Casing: 22 TPI for 12" and 16" Casing: 30 TPI for 20" and 24"

Aluminium cage

Designed to meet the most competitive mountain bike racing needs with second-to-none performance

The diffuser helps optimize aero performance by allowing air to release easier and improves ventilation by drawing 10% more air through the helmet at a given speed

Specialized Roller 12 x 2.125 Tyre locks Casing: 22 TPI for 12"An 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. Casing: 22 TPI for 12" and 16" Casing: 30 TPI for 20" and 24" Bead: Wire Compound: 70a Flat Protection: Flak Jacket 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