What is the rear dropout spacing on this bike?

Tech Specs:

Frame Material:

butted Cro-Moly 

Dropout Type:

sliding 

Headset:

1.125 in FSA Orbit DL 

Fork:

Kona Retro Road 

Fork Material:

Cro-Moly 

Fork Blade Shape:

straight 

Rims:

Alex R600 

Hubs:

Formula 

Spokes:

Sandvik 

Crankset:

FSA Vero 

Chain Rings:

42 t 

Bottom Bracket:

TH 7420 ST 

Brake Levers:

Shimano R400 

Brake Calipers:

Shimano R650 

Handlebar:

Kona Pista 

Bar Tape:

cork 

Stem:

Kona road 

Chain:

Shimano CN-NX01 

Cassette:

16 t Dicta 

Tires:

Continental Ultra Sport 

Tire Size:

700 x 28 c 

Seatpost:

Kona road deluxe 

Saddle:

Selle Italia Q-bik 

Recommended Use:

cycling