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Category: | Rear Derailleurs |
Name: | Shimano RD-1056-GS, 105SC |
Brand: | Shimano |
Primary Group: | 105SC |
Model: | RD-1056-GS |
Years: | 1993 - 1998 |
Country: | Japan |
Weight: | 246 grams (Actual), short cage. BikePro catalog agrees. |
Added By: | JFischer on 08/02/09 |
Updated By: | andris.82 on 08/19/13 |
Additional Photos - click for full size |
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Outer Plate Markings | Shimano 105 | Inner Plate Markings | Shimano RD-1056 VIA Japan |
Material | Aluminum Alloy | Design Category | Slant parallelogram |
Attachment Bolt Size | 5mm Allen Key | Cable Attachment Bolt Size | 5mm Allen Key |
Shifting Systems | Shimano SIS Shimano STI Friction | Cable Adjuster | Yes |
Cage Length | Medium | Max Cog Size | 28 |
Max Chain Wrap | 28T | |   |
Additional Resources |
Resources: | Reference & ChartsCatalogs |
Component Variations | View Detailed List Manage Variations |
Variations of Component exist (Component is 1 of 3) | Brand | Group |
Shimano RD-1055, 105SC | Shimano | 105SC |
Shimano RD-1056, 105SC | Shimano | 105SC |
Component Groups |
Primary Group Name | Brand | Quick Info | Browse Group Components |
105SC | Shimano | 1990 - 1999, Road Race | View 23 Components |
Details: 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 |
Shimano Model Number Prefix List:
BB Bottom Bracket |
BL Brake Lever |
BR BRake |
CB Coaster Brake |
CJ Cassette Joint |
CN ChaiN |
CP Chain Protecto |
CR Chain Ring |
CS Cassette Sprockets |
DF chain DeFlector |
DH Dynamo Hub |
FC Front Crank |
FD Front Derailleur |
FE Fork Ends |
FH FreeHub |
FS Front Suspension |
HB HuB |
HD HanDle bar |
HP Head Parts (Head Set) |
HS Handle Stem |
IF Inter-3 Freehub |
LP LamP |
MF Multi Freewheel |
PD PeDal |
RD Rear Derailleur |
RH Rollerbrake Hub |
RM RiM |
RR ReflectoRs |
RS Rear Suspension |
SB Shift Brake lever (Nexus, ?) |
SC Speed Calculator (cycle computer) |
SF Single Freewheel Freilaufritzel |
SG Speed chanGe hub |
SH SHoes |
SL Shift Lever Schalthebel |
SM SMall parts |
SP Seat Post |
SQ Seat Quick release |
SS Single Sprocket |
TL TooL |
WH WHeel
| ST Shift Brake Lever (STI, Rapid Fire, etc) |
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