Shimano BL-1050, SLR 105
Main Photo
Category:  Brake Levers
Name:  Shimano BL-1050, SLR 105
Brand:  Shimano
Primary Group:  105 1050 Series
Model:  BL-1050
Years:  1987 - 1989
Country:  Japan
Weight:  198 grams (Actual)
Added By: JFischer on 10/15/07
Updated By: Slider74 on 09/03/17
Additional Photos - click for full size
Shimano BL-1050, SLR 105Shimano BL-1050, SLR 105Shimano BL-1050, SLR 105Shimano BL-1050, SLR 105Shimano BL-1050, SLR 105Shimano BL-1050, SLR 105Shimano BL-1050, SLR 105Shimano BL-1050, SLR 105
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StyleNon-AeroReturn Spring Yes
Quick Release NoCable AdjusterNo
Lever Material AluminumLever MarkingsShimano 105 Shimano SLR
Body Material Hood/Body MarkingsShimano
Attachment Bolt Access  
General Information
Non-Aero version of the Shimano SLR 105 Levers.  The 1051 lever which was also released in 1987 was very similar but with Aero cable routing.
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Additional Resources
Resources:Reference & ChartsCatalogs
Component VariationsView Detailed List  Manage Variations
Variations of Component exist (Component is 1 of 3)BrandGroup
Shimano BL-1051, SLR 105Shimano105 1050 Series
Shimano BL-1051, SLR 105 (dark anodized)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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