Smutny 2-arm double fluted cottered chromed steel crank set in 170 mm with Gnutti chainring in 48/51 teeth from the 1940s - 1950s (Zweiarm Kurbel) silva which gets screwed into the

which gets screwed into the backside of the main bolt ones the derailleur is installed it spreads the main bolt and locks it into place

as mentioned this one comes with the centric one only

Pedals run goody

Scope of delivery / Lieferumfang:Parts outlined in blue on the catalog page /

Smutny 2-arm double fluted cottered chromed steel crank set in 170 mm with Gnutti chainring in 48/51 teeth from the 1940s - 1950s (Zweiarm Kurbel) silva which gets screwed into theSmutny 2 arm double fluted cottered chromed steel crank set in 170 mm with Gnutti chainring in 48 51 teeth from the 1940s 1950s (Zweiarm Kurbel) Weight Gewicht : 1036 g Length Lnge : 170 mm Teeth Zhne : 48 51 Axle diameter Achsendurchmesser : 16 mm Cotter (pin) diameter Keildurchmesser : 9 mm Bolt cricle diamtere Lochkreisdurchmesser : 116 mm Pedal thread Pedalgewinde : 9 16" x 20 Tpi. (english italian standard) Chain size Kettengre : 1 2" x 3 32"