Saracen Dude Mountain bike
14.25 inch frame
The wheel diameter is 20 inches or 50cm.
Bought new about 8 years ago and used briefly by our son and stored always in our garage.
Now not been used for 6-7 years, so for sale. Needs minor TLC to bring it to great condition again. For viewing and collection if you want to buy it, near Waterlooville, Hampshire.