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Shimano SL-BS77, Dura-Ace 7700
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Category:  Shifters
Name:  Shimano SL-BS77, Dura-Ace 7700
Brand:  Shimano
Primary Group:  Dura-Ace 7700
Model:  SL-BS77
Years:  1996 - Current
Country:  Japan
Weight:  178 grams
Added By: movinyl on 04/30/18
Updated By: movinyl on 07/13/19
Additional Photos - click for full size
Shimano SL-BS77, Dura-Ace 7700Shimano SL-BS77, Dura-Ace 7700Shimano SL-BS77, Dura-Ace 7700
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Shifter Type Bar-endAttachment Style Bar-end
Shifting SystemsLever Markings9sp Dura-Ace SIS
Lever MaterialAluminum  
General Information
9 speed Dura-Ace bar end shifters, allow index shifting with Shimano and Sram 9 speed cassettes. Shift selectors position can be switched between 9 speed index or friction option on the rear derailleur shifter (right shifter). Front derailleur shifter (left shifter) is friction only. Plastic covers prone to discolouration when exposed to UV light over long periods. They can also easily come off due to not very strong glue being used.
Quality:Rarity:
 
 
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Additional Resources
Resources:Reference & ChartsCatalogs
Component Groups
Primary Group NameBrandQuick InfoBrowse Group Components
Dura-Ace 7700 SeriesShimano1997 - 2003, Road RaceView 14 Components
Details:  Shimano always leads with Dura-Ace. In 1997, 9 speed was introduced. They kept with the shift cables coming out of the side of the STI levers and greatly improved the shift quality. Ultegra (600) and 105 followed suit. 9 speed uses the same freehub body size as 8 speed.
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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