105 1050 Series
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Main Photo
Photo Credit: VeloBase User RocketBoy
Display Name:105 1050 Series
Brand:Shimano
Group Family:105
Category:Road Race
Years:1987 - 1989
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General Information
Group Family General Info: Introduced originally in the mid 1980's, the Shimano 105 groupset is an intro level road racing groupset to fill the gap between the more expensive Shimano 600 group and the sport & recreation parts.
General Info: Introduced in 1987 (first appearing in August 1986 Catalog for the 1987 Year) Shimano 105 would introduce  alot of new technologies that year. that would not be seen on Shimano 600 for another year. Technologies such as SLR (Shimano Linear Response) Brake systems in 1989 The grouppo was updated  for 7 speed and it was replaced by the 105SC group in 1990.
Components
CategoryPhotoNameYearsAdded
Bottom BracketsShimano BB-1050, 1051985 - 198812/04/09
Brake LeversShimano BL-1050, SLR 1051987 - 198910/15/07
Brake LeversShimano BL-1051, SLR 1051987 - 198908/07/07
Brake LeversShimano BL-1051, SLR 105 (dark anodized)198903/25/09
BrakesShimano BR-1050, 105 (39-49mm)1985 - 198812/07/07
BrakesShimano BR-1050, 105 (47-57mm)1985 - 198810/15/07
BrakesShimano BR-1050, 105 dark anodized (39-49mm)198904/15/16
BrakesShimano BR-1050, 105 Dark Anodized (47-57mm)198903/25/09
CranksetsShimano FC-1050, 1051986 - 198807/07/07
Front DerailleursShimano FD-1050, 1051987 - 198912/04/09
HeadsetsShimano HP-1050, 1051987 - 198907/15/14
HubsShimano FH-1050, 105Mid 1980's08/01/12
HubsShimano HB-1050, 1051987 - 198801/12/09
PedalsShimano PD-1050, 1051987 - 198810/14/07
PedalsShimano PD-1051, 105198902/04/09
Rear DerailleursShimano RD-1050, 1051987 - 198907/10/07
Rear DerailleursShimano RD-1051, 105198908/09/11
ShiftersShimano SL-1050, 105 (6sp)1987 - 198909/08/09
ShiftersShimano SL-1051, 105 (7sp)198910/25/07
Small Parts & AccessoriesShimano 105 Brake Lever Hoods (Aero, White, 86B 9803)N/A03/23/12
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Rudge Whitworth
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