Tioga | PowerBlock OS20 Tire

3 items left

The OS20 PowerBlock uses a larger-diameter design to roll more efficiently while the block center tread balances traction and low rolling resistance. Built for OS20 frames and rims.

  • CYLEX 120 TPI superlight casing
  • UTC rubber compound
  • Patterned sidewall for abrasion protection with a supple casing
  • Larger OS20 diameter increases rolling efficiency
  • Requires OS20-specific frames and rims; many forks will clear it

Ships from our Apple Valley, CA shop.

Race calendar

Never miss a USABMX national

Add the 2026 USABMX national race schedule to your calendar with one click. Built by Supercross BMX so racers, parents, and fans can keep every national weekend in one place.

Dates are based on the official USABMX national schedule and may be updated if changes are announced. This calendar is a fan/racer convenience tool from Supercross BMX and is not an official USABMX calendar.