Shimano BR-1050, 105 Dark Anodized (47-57mm)
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Category:  Brakes
Name:  Shimano BR-1050, 105 Dark Anodized (47-57mm)
Brand:  Shimano
Primary Group:  105 1050 Series
Model:  BR-1050
Years:  1989
Country:  Japan
Added By: 531c on 03/25/09
Updated By: Slider74 on 09/03/17
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Shimano BR-1050, 105 Dark Anodized (47-57mm)
Design Category Single PivotCable Adjuster
Quick Release YesAttachment Bolt TypeRecessed Allen Key
Cable Attachment Bolt5mm Allen KeyFront of Arm MarkingsShimano 105
Back of Arm MarkingsBR-1050 Japan Max 57-47 Min VIA ShimanoReach CategoryStandard Reach
Min Reach47mmMax Reach57mm
General Information
Variation: colored version, some say 'blue', some say 'green'. Seems to be anodized. It looks like there are levers, hubs and 7 speed index shifters in this color, too.

This anodized colored version was introduced in 1989 with the upgrade to 7 Speed. (1051 Series)
Quality:Rarity:
 
 
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Additional Resources
Resources:Reference & ChartsCatalogs
Component VariationsView Detailed List  Manage Variations
Variations of Component exist (Component is 1 of 4)BrandGroup
Shimano BR-1050, 105 (39-49mm)Shimano105 1050 Series
Shimano BR-1050, 105 (47-57mm)Shimano105 1050 Series
Shimano BR-1050, 105 dark anodized (39-49mm)Shimano105 1050 Series
Component Groups
Primary Group NameBrandQuick InfoBrowse Group Components
105 1050 SeriesShimano1987 - 1989, Road RaceView 20 Components
Details:   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.
Brand Information(click to expand)

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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