I know nothing about these bikes or whether or not this is a good deal, but I know this is a reputable seller. Contact him directly if you're interested.

MISCELLANEOUS
Bike
Mens Mountain Bike 21 speed,4 years old but in ment condition. about 20 miles have been put on the bike, if that. Tires look brand new.Color White also has shocks on the front and under the seat. Make of bike is a Next with Shimono gears.
50.00
David Mann
david.mann@ cobbcounty.org

another bike ... don't personally know this seller or anything about the bike

MISCELLANEOUS
2007 Felt Ethic BMX bike
16" pitch black. Great bike. Never raced and like new. Comes with Foxx racing helmet (new). Sharp helmet with black, red and silver markings.
$275.00
Sheryl
sheryl.barrett@cobbcounty.org
(678 ) 581 - 5452
(770 ) 601 - 5499

IMO, those WalMart bikes are dangerous.

That might be a good deal for the Felt, though.