NOS/NIB first generation Shimano Dura-Ace Track / Pista #FA-200 / #SS-7500 (#247 10150) Steel Single Sprocket with english thread and 15 teeth from 1977 cosmos 4 mm (stem clamp size)

4 mm (stem clamp size)

Very early and rare Gnutti quick release

Often used in combination with shimano Tourney shifting group /

Shimano 2/10-speed

Ausfallenden / dropouts: Fork: Columbus | Frame: Ultech

NOS/NIB first generation Shimano Dura-Ace Track / Pista #FA-200 / #SS-7500 (#247 10150) Steel Single Sprocket with english thread and 15 teeth from 1977 cosmos 4 mm (stem clamp size)Weight Gewicht : 44 g Gears betragungen : 1 Range Abstufung : 15 Thread Gewinde : English (BSC): 1. 370" x 24 Tpi Englisch (BSC): 1,370" x 24 Tpi Production period Produktionszeitraum : 1970s early 1980s 1970er frhe 1980er Condition Zustand : New old stock (NOS), new in box (NIB) see pictures Neue alte Lagerware, neu in Box (NIB), siehe Bilder Note Bemerkung : Made for usage with 1 2"x1 8" chains Fr die Verwendung mit 1 2"x1 8" Ketten gedacht