20"x1.85" PowerBlock Bicycle Tire E-TON Matrix 50 and it comes with the

and it comes with the flex brake

Talk about the best of both worlds

It mounts on the right-side handlebar and offers an intuitive sense of control

If you change tires frequently

Use a 24 volt 12 amp hour battery pack for a more affordable replacement

20"x1.85" PowerBlock Bicycle Tire E-TON Matrix 50 and it comes with theThe OS version of the Powerblock is available with a 1. 85 or 1. 6 width but fits the larger 451 diamter rim check frame clearance before ordering. BMX tire with low rolling resistance and durable long lasting compound. Efficiently transfer pedal power and other rider inputs into lateral motion. UTC Rubber (Ultimate Traction Compound). Tioga: R9ZA1351