26" mag wheel set f and r 100x120mm for rotary single speed flywheel / 26 inch magnesium wheels/black/disc brake - for beach cruisers, mtb's, and gas powered bicycles. donsp1986 attention: standard 9 hole sprockets 24t to 60t in kit do not work on this alum wheel )26" magnesium wheels are designed mainly for motorized bicycles. light and very durable. 26" size wheel;do not need adapter, sprocket only needed; easy install sprocket on mag wheel;<br>designed mainly for motorized bicycles;do not need adapter, sprocket only needed;<br>magnesium wheels including chain drive sprocket<br>light and very durable. 26"/26 inch size wheel;<br>axles included;easy intall sprocket on mag wheel,<br>attention: standard 9 hole sprockets 24t to 60t in kit do not work on this magnesium wheel, buyer need drill 6 holes in middle to make sprocket fit on the magnesium wheel or buyer buy our multifunctional sprocket which fits well on our magnesium wheel