21 Gear Shimano Narrow Gears and shifter. Avocet Gel Seat. Paint and decals in great condition. Tires are brand new. Has not been out of the shed in about 20 years. This is a top of the line bike from many moons ago and was always kept in good order. Moving, no point taking it with me, I'm too fat and old now! best offer. I don't know how to measure frame size, but I'm 6'2" and wheels are 24" the main post is 21" from centre of joints.