Solida 3-Arm Cottered chromed steel Crankset with 53/45 Teeth and 170 mm length from the 1970s nervalux The extreme thin design with

The extreme thin design with pen end jaw fit four popular sizes (can also be used on brake calipers)

"Freni Gran Sport"

Chambre a air Michelin 20/23-571

1940s - 1960s / 1940er - 1960er

Solida 3-Arm Cottered chromed steel Crankset with 53/45 Teeth and 170 mm length from the 1970s nervalux The extreme thin design withWeight Gewicht : 1177 g Length Lnge : 170 mm Teeth Zhne : 53 45 Axle diameter Achsendurchmesser : 16 mmCotter (pin) diameter Keildurchmesser : 9. 5 mm (3 8") Bolt cricle diamtere Lochkreisdurchmesser : 116 mm Pedal thread Pedalgewinde : 9 16" x 20 Tpi. (english italian standard) Condition Zustand : See pictures Siehe Bilder Production period Produktionszeitraum : 1970s 1970er Please note Bemerkung : Maybe also around during the 1960s unsure though