Vintage Catamount MFS Mid Frame Full Suspension Mountain Bike Frame 18” 1990’s.

18” frame.

Everything works properly.

There’s a dent in the top tube, right side.

The seatpost clamp area looks the the top broke off.

The edge is jagged, but a seatpost clamp works on it without issue.

Silver slim seatpost clamp included, not pictured.

Rear spacing is 135mm.

Headset is 1-1/8”.