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The ultimate bmx racing tire, the PowerBlock is designed to efficiently transfer pedal power and
other rider inputs into lateral motion – in short, you roll farther with less wasted energy.
PowerBlock S-Spec 
What is S-Spec?
Cylex 120 TPI Casing
Folding Bead
UTC Rubber (Ultimate Traction Compound)
20 x 2.1 – 11.64oz; 330g
20 x 1.95 – 10.76oz; 305g
20 x 1.75 – 10.05oz; 285g
20 x 1.60 – 8.47oz; 240g
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PowerBlock
Standard 60 TPI Casing
Steel Bead
UTC Rubber (Ultimate Traction Compound)
24 x 2.10 – 18.34oz; 520g
24 x 1.75 – 15.87oz; 450g
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 1-3/8 – 12.5 oz; 355g
20 x 1-1/8 – 9.88oz; 280g |
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