IRC Exeracer Tire - 24 x 1 (25 - 540), Gray Swim Type_Goggles The Sonic/Ergo 52a is designed

The Sonic/Ergo 52a is designed to present minimal frontal area to create as little aerodynamic drag as possible

Tire Clearance: 30C (32mm)

Versatility Tailored to Your Activities

Claimed weight is 308 g / pair (size 40)

IRC Exeracer Tire - 24 x 1 (25 - 540), Gray Swim Type_Goggles The Sonic/Ergo 52a is designedExeracer Our standard tire for sport chairs, the Exeracer has an application tuned silica and antibacterial rubber tread compound that combines excellent surface grip with low rolling resistance. It is available in our new black compound, which has been proven to leave fewer marks on floors. Its an excellent choice for daily use, as well as sports. Also available in grey, red or yellow. Fewer Tire Marks Our new, black, rubber compound combines high