![]() ![]() Grant Peterson, who was designer for Bridgestone starting in the mid-1980s, has stated that the alpha character is a month indicator, however, apparent fortnight indicators a high as “T” have been seen as early as 1973. This number string is typically four to six characters in length but can vary.ĪZUKI (USA): See Kawamura, Kuwahara, Giant. Xxxx indicates a numeric characters designating the sequential frame number within a the fortnight, month or year. Yy indicates two numeric characters designating the last two digits of the year (i.e. With such codes, you have to determine the decade based on frame characteristics, components, etc. ![]() Y indicates a numeric character designating the last digit of the year (i.e. Mm indicates two numeric characters designating the month (i.e. The specific convention will be listed under the manufacturer entry. The year that corresponds to a particular alpha character can vary significantly. ![]() Y indicates an alpha character designating the year. M indicates an alpha character designating the month (i.e. Hopefully, it is self-explanatory with the use of the following legend:į indicates an alpha character designating the fortnight (i.e. Anybody having any further data, insight or corrections can contact me via the forum’s private message process. The nationality of the brand owner ( pre- 1990) is stated in parentheses. Contract manufactured brands are cross-reference to the manufacturer. The level of confidence in the decryption is high, unless otherwise stated, though it is dynamic and may not be 100% accurate. This guide is not necessarily comprehensive, as it only represents what has been collected and decrypted. 1970.Thanks to Tom Marshall (T-Mar) from Bikeforums for this information. Purchased used from Velo Sport Cyclery, Berkeley, CA. Brooks B17, integrated headset, Universal Brakes, Fiamme Red Label rims, Campy large flange hubs, 53x45 cranks, Gran Sport derailleurs, Regina 14-22 FW. It has the Campy dropouts with the 'Sport hole' on the drive side dropout. Specialissima came original w/black Brooks B-17 Competition Standard dated 1962 and with Campy large flange alloy hubs with lock ring dates of 1963. Specialissima w/Campy (FB-style) 3-piece hubs locknuts had dates in the late ‘50s, parts were consistent with it being a ’60 bike. (Not that this approach yields exact dating.?)Īnother Bianchi race bike registry, more complete, is the R David David Not the answer you're looking for? Browse other questions tagged framesidentify-this-bike or ask your own question. ![]()
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