The No.125 '51 Aero Club was the Rudge brand's version of the 22 inch frame No. 25 Raleigh Clubman. It had the thin-type seat and chain stays. Reynolds 531 plain gauge tubing frame and fork, head tube was at 73 deg, seat tube at 71 deg. Fluted cranks with removable 3-bolt chain ring. It also shared the clip-style head set with option of having the no-bolt, smooth top stem. 1951 was after the move to the larger, 27 x 1 1/4 stainless rims from the old 26 inch club size. Fenders would have been white celluloid. Chrome socks front and back. Saddle would be the B17N. Any of the Sturmey Archer hub gears could be fitted, with the medium-ratio gears being a popular option for sport riding. Weight was quoted, without the optional saddle bag, at 25.5 pounds.