20" Sun Envy Expert Sealed Cassette - BMX Wheelset - Pair - 28H - Blue BMX the PowerBlock is designed to

the PowerBlock is designed to efficiently transfer pedal power and other rider inputs into lateral motion

It features a durable polycarbonate-alloy shell and a multi-density EPS foam liner for a more progressive response to impact energy

Color: Red & White Checkerboard

5 through 2

The rims are A-7X single wall and are silver anodized aluminum in color

20" Sun Envy Expert Sealed Cassette - BMX Wheelset - Pair - 28H - Blue BMX the PowerBlock is designed toThis Sun Envy BMX Racing wheelset are have tons of features at a great price, The rims are 28 hole double wall with eyelets and welded seams and machined braking surface on the rear. The hubs are BlackOps MX3200 sealed cartridge bearing cassettes with 3 8" female axles. They have 150 engagement points for tight starts. The spokes are DT black stainless with black brass nipples. Included is a 16t Shimano type cog. These work with 20x1. 40 2. 25 (406mm)