Serial number dating

Drive-side rear cone is stamped "50", other side is not date stamped, neither are the front cones. Caimi freewheel DATING: (19)50 stamped on hub cone Cannot see Serial Number 1947 Olmo Rondine Swallow rondine lugs with seat lug side slot; chrome head lugs and fork crown; chrome stay and fork ends; Campagnolo Cambio Corsa dropouts and fork ends Serial Number M115 1948?

Olmo Rondine David Rapley/Racing Bicycles: 100 years of Steel, pp 100-101.

Balilla sidepull brakes." BRAZE-ONS: Threaded holes in bridges for mudguard attachment. Olmo [Special] Victor Hernandez/Steel is Real FB: Brianza lugs; chrome head lugs and fork crown; Agrati stamped dropouts with scalloped backs ORIGINAL PARTS: Magistroni half step crankset and bottom bracket, Huret Allvit rear derailleur (with shield), Huret 600 front derailleur (no slot on top of cage), Huret shifters (pebble finish on lever pads), Balilla Brevatatto brakes, OLMO headset and seat post clamp DATING: Probably the Special model due to stamped dropouts. Olmo [Special] rsan1650/e Bay: Brianza lugs; chrome fork crown; Agrati stamped dropouts with scalloped backs BARE FRAME DATING: Probably the Special model due to stamped dropouts. Olmo [Special] Glen Gallo//Gallo/bikeforums.net: Brianza lugs; chrome head lugs and fork crown; chrome stay and fork ends; Agrati stamped dropouts with scalloped backs; no braze-ons ORIGINAL PARTS: OLMO headset and seat post clamp; Magistroni crankset; Campagnolo shifters with no-D-ring bolt tightened by screwdriver; Nisi Toro rim (original?

) REPAINTED DATING: Probably the Special model due to stamped dropouts.

Olmo Professional Roger Barrett: Swallow rondine lugs with seat lug side slot; "Complete machine, nearly all original. Campagnolo 1010 dropouts." [don't know if lugs and fork are chrome, as in Professional Deluxe model, re: 1961 catalog] ORIGINAL PARTS: "Ambrosio Champion steel stem and Ambrosio Champion alloy bar. Campagnolo Record seat pillar" Serial Number C779 1958?

Olmo Professional Deluxe Sparkee Bartee/Steel is Real FB: Swallow rondine lugs with no seat lug side slot; Campagnolo horizontal dropouts; chrome head lugs and seat lug ORIGINAL PARTS: Olmo headset and seat post clamp REPAINTED Serial Number C790 1958?

OLMO with red background on left side of top tube is unfamiliar on other Olmos.

Later Olmos with date-able elements are actively added, as well as pre-1978 Olmos. A TIPO RONDINE decal may or may not appear on some older Olmo bikes, and refers to the Agrati AM lugs, with 'rondine' meaning 'swallow.' Some older Olmos have the ornate Agrati lugs which Emilio Bozzi sold as Brianza sportiva lugs; the accompanying Agrati rear dropouts are stamped with a scalloped back.

Welcome to Rickenbacker's serial number decoder page.

Rickenbacker serial numbers have been issued in a number of formats.

Campagnolo crank arms have a date code starting in 1973, consisting of a diamond (1970's) or circle (1980's) with a number in the center denoting the last digit of the year of manufacture, and then in 1985-9 with square and number in the center: 11 = 1985, 21 = 1986, 31 = 1987, 41 = 1988, 51 = 1989 plus some other examples. Olmo Rondine Aldo Ross: Swallow rondine lugs with seat lug side slot; chrome head lugs and fork crown; chrome stay ends; Campagnolo Cambio Corsa dropouts and fork ends ORIGINAL PARTS: "Cinelli steel stem, Cinelli aluminum bars, Weinmann brake levers (later), "Balilla - Olmo" brake calipers, ...

Brooks Professional saddle, Magistroni cranks, two chainrings (probably changed when used as a commuter bike), Sheffield pedals...

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