The IRC Comp is a new competition model in the Siren series and has been developed with an aramid bead with an emphasis on weight reduction. These two are the 20 x 1-1/8th & 1-3/8th versions suited for your youngest racers and won't break the bank when they chuck a few skids at the finish line.
Weights and Inflation:
- 20 x 1.5 - 258g (Inflation: 70-100psi)
- 20 x 1.75 - 295g (Inflation: 70-100psi)
- 20 x 1.9 - 310g (Inflation: 70-100psi)
