20x1-3/8 Tioga Power Block BMX tire - Black Skinwall The micro-knobs actually stick up

The micro-knobs actually stick up above the main surface a super small amount

The Trackmark center tread is broken to increase acceleration and braking traction and to further reduce weight

you will need a quantity of 2 of this service

Rider weight limit: 90 lbs

if you need a pair

20x1-3/8 Tioga Power Block BMX tire - Black Skinwall The micro-knobs actually stick upThe Tioga Power Block tire is a BMX tire with low rolling resistance and durable long lasting compound that efficiently transfers pedal power and other rider inputs into lateral motion. It is made with UTC Rubber (Ultimate Traction Compound) and is a great tire for BMX racing. Size: 20 x 1 3 8" (ISO 451mm)Bead: WirePressure Rating: 35 80psi Posted Weight: 12. 50oz; 355gColor: BlackNote: We ship tons of tires and often ship them folded in a figure 8