stapfam

Have a riding partner that is 6'6" and around 240 lbs and gaining. For someone this size you do need a substantial bike- on strength and size. Unfortunately- that weight will also cause some problems on Parts failure. He may be unfit but the legs will be powerfull. Look for a Mountain bike in Large size. My mate has a Giant Boulder in a 23" frame. (And they do larger) Aluminium frame and the Model has been changed to something similar in the frame stakes- better components and a new name.

Although the frame on this is still going after 6 years- We did experience a few problems with the wheels- crankset and Bottom bracket. All of which were sorted out by giant under warranty. Theses components have been improved now.

So just a suggestion- Mountain bike such as the Giant Boulder- Upgrade the tyres to slicks and if possible get a rigid front fork version. Still expect to have a few problems but My mate does go Offroad so pushes his luck a bit. Looking for a picture of him on his bike but the only one is front on. I can assure you he is big but the bike fits.