This is used Giant Anthem 1 full suspension frame.

It is the Small frame size. 

The seat tube is 15.5 in long (centre to top) / 13in centre to centre. The top tube is 22 in centre to centre.

It is for 26 in wheels and has 100mm of rear wheel travel via a Fox RP2 shock. 

The headtube is 44mm and is fitted with an FSA cartridge bearing headset for straight 1 1/8in steerer forks. 

The seat tube takes a 30.9mm seatpost and has a bolt up clamp fitted. 

The bottom bracket shell is threaded and is 68mm wide.  The threads are in good condition.   

The rear dropouts are 135mm quick release spacing. There is an International Standard (IS) disc brake mount on the seat stay.  

The frame has a few small stone chips and scratches, but it is stilll in excellent condition and good working order.

Thanks very much for looking. Please check out my ebay shop for loads more bike stuff.