Shimano BR-Z57, 105 Golden Arrow
Main Photo
Category:  Brakes
Name:  Shimano BR-Z57, 105 Golden Arrow
Brand:  Shimano
Primary Group:  105 Golden Arrow
Model:  BR-Z105-57
Years:  1983 - 1986
Country:  Japan
Weight:  338 grams
Added By: MsMixte on 08/01/07
Updated By: Tombo on 10/13/16
Additional Photos - click for full size
Shimano BR-Z57, 105 Golden ArrowShimano BR-Z57, 105 Golden ArrowShimano BR-Z57, 105 Golden ArrowShimano BR-Z57, 105 Golden ArrowShimano BR-Z57, 105 Golden Arrow
Design Category Single PivotCable Adjuster
Quick Release YesAttachment Bolt TypeRecessed Allen Key
Cable Attachment BoltWrenchFront of Arm MarkingsShimano Golden Arrow
Back of Arm MarkingsBR-Z57 JAPANReach CategoryStandard Reach
Min Reach47mmMax Reach57mm
General Information

These are the Golden Arrow brakes most often seen in catalogs and brochures. There were two versions, the Z575 with a reach of 43-57mm, and the Z645 with a longer reach of 49-64mm.  Weight is for the pair, longer reach version.

The mounting of the cable adjuster changed between 1984 and 85: Until eo 1984 (=I) screw & bolt version, 1985 (=J) and later with a rivet version (pls. see pics to compare above)

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Additional Resources
Resources:Reference & ChartsCatalogs
Component Groups
Primary Group NameBrandQuick InfoBrowse Group Components
105 Golden ArrowShimano1983 - 1986, Road RaceView 14 Components
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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