SELLING A 2001 GT MACH ONE HAS MOSTLY ALL GT PARTS  21 INCH TT HAS HARO BARS AND CRANK ARMS BUT HAS GT MOHAWK HUBS /GT SEAT /GT POST/GT CLAMP/GT PISTON STEM /GT CHAINRING /PROMAX MX BRAKES /GT AAPRO TIRE NEW GRIPS/ CABLE BIKE IS WAY NICER IN PERSON HAS SOME NICKS AND SCRAPS BUT NOTHING CRAZY AT ALL SPOKES ARE A LITTLE DIRTY NEED TO BE CLEANED JUST REPACKED THE FRONT HUB BIKE RIDES AWESOME JUST NEEDS A 3PC SOLD AS IS SO PLEASE ASK ALL QUESTIONS BEFORE BUYING THANKS FOR LOOKING