Shimano BA-200, Dura-Ace 7100
Main Photo
Category:  Brakes
Name:  Shimano BA-200, Dura-Ace 7100
Brand:  Shimano
Primary Group:  Dura-Ace 7100
Model:  BA-200
Years:  1978 - Early 1980's
Country:  Japan
Weight:  332 grams (avg)
View Weight List
Added By: Peddie on 01/12/10
Updated By: Tombo on 10/21/21
Additional Photos - click for full size
Shimano BA-200, Dura-Ace 7100Shimano BA-200, Dura-Ace 7100Shimano BA-200, Dura-Ace 7100Shimano BA-200, Dura-Ace 7100Shimano BA-200, Dura-Ace 7100
Design Category Single PivotCable AdjusterYes
Quick Release Yes, at cable stopAttachment Bolt TypeExterior or Recessed
Cable Attachment Bolt6 mm Allen keyFront of Arm MarkingsDura-Ace
Back of Arm Markings"Shimano Japan", "MAX. 49 - 39 MIN." & 2-Letter-ProductionCodeReach CategoryMarked " Max 49 - 39 Min";
Short reach
Min Reach39mmMax Reach49mm
General Information
"The shape of the cut's edge is a bit different from the later model (BR 7200), you can find some difference at the cable stop bolt too. The DA 7100 brake was also available with a black anodized finish. From Andypop1: Here are few picts. Added the back of the 7100 brake, sorry not the prettiest, I also placed the 7200 over this one to do a close comparison of the triangle.<br>There is also a picture with all 3 look alike variations: the EX brakes. Actually the bottom pair (one with missing parts) was the 1st of this style. These were the BA-200's or 7100's like the original of this listing. They have the basic EX shape &amp; were a short reach with a exterior nut, I do not know if they were recessed as well. The biggest difference I can see is the inside of the triangle does not have the offset. The middle set is the EX short reach, 7200 (39-49mm) with a recessed nut and the upper set is the EX long reach, 7210 variety (47-57mm) and has a exterior nut."
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Additional Resources
Resources:Reference & ChartsCatalogs
Component VariationsView Detailed List  Manage Variations
Variations of Component exist (Component is 1 of 2)BrandGroup
Shimano BA-220 (CS-57)ShimanoDura-Ace EX
Component Groups
Primary Group NameBrandQuick InfoBrowse Group Components
Dura-Ace 7100Shimano1977 - 1984, Road RaceView 18 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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WeightSourceNotesAdded By
330 GramsUnknown Peddie
334 GramsActualpair w/ recessed allen key Tombo
Columbus Tubi
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