All the sweet goodness of the PowerBlock S-Spec, but in steel bead with thicker, stronger sidewall. The standard PowerBlock strikes the sacred equilibrium between performance and value.

Application: Race

Material:
60 TPI casing
Steel Bead
UTC Rubber

Size & Weight:
24 x 2.10 18.34oz; 520g
24 x 1.75 15.87oz; 450g
24 x 1.60 13.93oz; 395g
24 x 1.40 11.81oz; 335g
20 x 2.10 13.93oz; 395g
20 x 1.95 13.40oz; 380g
20 x 1.75 12.35oz; 350g
20 x 1.60 10.76oz; 305g
20 x 1.40 10.40oz; 295g
20 x 1-3/8 12.50oz; 355g
20 x 1-1/8 9.88oz; 280g