GT Tempest Retro Mountain Bike Frame 20" 26" Wheel. In good cindition. Some marks and scratches, no dents or cracks. V brake brake mounts. Screw in BB. 1 1/8" headset. QR rear axl. External cables. Double waterbottle mounts. Weighs 2250 grams. 22.5" top tube. Measure center head tube to center seat tube. 20" seat tube, measured center BB to top of the seat tube. 11cm head tube.