105SC
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Photo Credit: eBay Seller bicyclists_retreat
Display Name:105SC
Brand:Shimano
Group Family:105
Category:Road Race
Years:1990 - 1999
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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:in 1990 Shimano 105 was renamed to 105SC group. When the group received a makeover moving away from the polished aluminum finish to a painted silver finish. It would retain 7 Speed as it was introduced a year before with the 1051 group.  Dual pivot brakes were also introduced at the time. Before its demise in 1998 105SC would receive 8 Speed cassettes and STI shifters.

It was replaced with 9 Speed 105 (5500 Series) in 1999
Components
CategoryPhotoNameYearsAdded
Bottom BracketsShimano BB-1055, 105SC1990 - 199110/12/07
Brake LeversShimano BL-1055, 105SC1990 - Late 1990's10/23/09
BrakesShimano BR-1055, 105SC1990 - Mid 1990's08/02/09
BrakesShimano BR-1055, 105SC (Long version)1990 - Mid 1990's02/14/10
CranksetsShimano FC-1055, 105SC1990 - 199210/20/07
CranksetsShimano FC-1056, 105SC1993 - 199801/07/10
CranksetsShimano FC-1057, 105SC (triple)Early 1990's - ?08/02/09
Front DerailleursShimano FD-1055, 105SC1990 - 199212/29/08
Front DerailleursShimano FD-1056, 105SC1993 - 199807/07/07
Front DerailleursShimano FD-1057, 105SC1993 - 199802/01/17
Front DerailleursShimano FD-1057, 105SC (braze-on)1993 - 199808/19/13
HeadsetsShimano HP-1055, 105SC1990 - 199910/16/07
HubsShimano FH-1055 / HB-1055, 105SCLate 1980's - ?11/11/09
PedalsShimano PD-1055, 105SC1990 - 199511/18/11
PedalsShimano PD-1056, 105SC1990 - 199511/09/12
Rear DerailleursShimano RD-1055, 105SC1990 - 199211/10/07
Rear DerailleursShimano RD-1056, 105SC1993 - 199801/03/11
Rear DerailleursShimano RD-1056-GS, 105SC1993 - 199808/02/09
ShiftersShimano SL-1055, 105SC (7sp)1990 - 199210/15/07
ShiftersShimano SL-1055-BCAI, 105SC (7sp)1990 - 199901/30/15
ShiftersShimano SL-1056, 105SC (8sp)1993 - 199808/17/07
Shifting Brake LeversShimano ST-1055, 105SC1992 - 199908/02/09
Small Parts & AccessoriesShimano 105SC Brake Lever Hoods (White, 86C 9811)N/A03/23/12
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