NOS Gipiemme Dual Sprint / Special Chainring with 52 teeth and 144 mm BCD from the 1970s - early 1980s areo Chainwheel #D040 | 170 mm

Chainwheel #D040 | 170 mm | 53/42 teeth | 9/16" x 20t | 135 mm BCD

Sattelrohr / seat tube: 59

Grease before usage

cable set and spring

Chainring and Chainguard (MT60) is a take off from a new Crankset and has never been used | some signs from storage | see pictures

NOS Gipiemme Dual Sprint / Special Chainring with 52 teeth and 144 mm BCD from the 1970s - early 1980s areo Chainwheel #D040 | 170 mmWeight Gewicht : 86 g Teeth Zhne : 52 Bolt cricle diamtere Lochkreisdurchmesser : 144 mm Condition Zustand : New old stock (NOS). see pictures Neue alte Lagerware, siehe Bilder Production period Produktionszeitraum : 1970s early 1980s 1970s frhe 1980s Please note Bemerkung : In this period Gipiemme only had two road groups, the Dual Sprint and the Special, both used this Chainring Whrend dieser Periode hatte Gipiemme nur zwei Straenrennrad Gruppen,