how much dose this bike cost. i need it to be in a good price range. $100-$150?

Hello there, unless you can find it for $150 on craigslist, I was unable to find it any cheaper than $399 at http://www.alibab.com.High end performance without breaking the bank.  The awesome parts spec includes an adjustable RockShox Dart ONE long travel (80mm) suspension fork, competitive race quality 24 speed drivetrain wih Shimano Deore rear derailleur and TruVativ crankset. Plus, powerful Tektro IO disc brakes.

Light and Tough, Butted-Aluminum Frame:
Features AltairX Custom-Butted Aluminum frame with reinforced gussetted downtube, sculpted rear dropouts with replaceable rear derailleur hanger, H2O boss, International Standard rear disc brake mounts

• 13" (extrasmall) standover 26.5"  fits most riders 4'10" to 5'1"
• 15" (small) standover 27.5"  fits most riders 5'1" to 5'6"
• 17" (sm/md) standover 29"  fits most riders 5'6" to 5'9"
• 19" (medium) standover 30"  fits most riders 5'9" to 5'11"
• 21" (medium/large) standover 31"  fits most riders 5'11" to 61 
• 23" (large) standover 32.5"  fits most riders 6'1 to 6'4"+
• Sizing tip: Choose a size that your crotch can clear the standover by at least 1.5 to 2 inches
  These are only rough guidelines, the final choice is up to you.