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.
60 TPI Casing
UTC Rubber
Steel Bead
+ 24 x 2.10 (O.D. 624mm): 18.34oz; 520g
+ 24 x 1.75 (O.D. 610mm): 15.87oz; 450g
+ 24 x 1.60 (O.D. 600mm): 13.93oz; 395g
+ 20 x 2.10 (O.D. 522mm): 13.93oz; 395g
+ 20 x 1.95 (O.D. 515mm): 13.40oz; 380g
+ 20 x 1.75 (O.D. 506mm): 11.46oz; 325g
+ 20 x 1.60 (O.D. 495mm): 10.76oz; 305g
+ 20 x 1.40 (O.D. 428mm): 10.40oz; 295g
+ 20 x 1-3/8 (O.D. 531mm): 12.50oz; 355g
+ 20 x 1-1/8 (O.D. 518mm): 9.88oz; 280g
CENTER ROW
“Power Blocks” are precisely sized to balance traction with low rolling resistance.
SIDEWALL TEXTURE
Specially designed texture pattern, strategically applied to the sidewall adds abrasion protection without sacrificing casing suppleness.