Dark Blue and champagne (Baikalblauw) Gazelle Champion Mondial A-Frame (AB-Frame) vintage road bike steel frame set in 60 cm (c-t) / 58 cm (c-c) with Reynolds 531 tubing and Campagnolo dropouts from ~1979 barum Record Headset #1039 | italian

Record Headset #1039 | italian | 25

Easy Glide is known for being the choice of professionals at that time

Second Version of second generation Super Record derailleur

Chainrings are not original Campagnolo but with drillium and clover panto/cut outs /

has a 144mm BCD which got introduced for the first time about 5 years later

Dark Blue and champagne (Baikalblauw) Gazelle Champion Mondial A-Frame (AB-Frame) vintage road bike steel frame set in 60 cm (c-t) / 58 cm (c-c) with Reynolds 531 tubing and Campagnolo dropouts from ~1979 barum Record Headset #1039 | italianSeat tube Sattelrohr: 60. 0 cm (center top Mitte Oberkante) Seat tube Sattelrohr: 58. 0 cm (center center Mitte Mitte) Top tube Oberrohr: 58. 5 cm (center center Mitte Mitte) Head tube Steuerrohr: 16. 1 cm Fork shaft Gabelschaft: 19. 7 cm (1") Front spacing Einbaubreit vorne: 100 mm Rear spacing Einbaubriete hinten: 126 mm Seat post Sattelsttze: 27. 0 mm Headset Steuersatz: BSA ISO ITA (25. 4 mm x 24 tpi) Crwon race Gabelkonus: 26. 4 mm Bottom bracket