Dia-Compe BRS 300
Main Photo
Category:  Brakes
Name:  Dia-Compe BRS 300
Brand:  Dia-Compe
Model:  BRS 300
Years:  Early 1990's - ?
Country:  Japan
Weight:  282 grams (Actual)
Added By: gil_00000 on 11/10/19
Updated By: gil_00000 on 11/10/19
Additional Photos - click for full size
Design Category Cable Adjuster
Quick Release YesAttachment Bolt TypeRecessed Allen Key
Cable Attachment BoltFront of Arm MarkingsDia-Compe BRS 300
Back of Arm MarkingsReach CategoryMarked " Max 49 - 39 Min"
Min ReachMax Reach
General Information
Please comment and correct or add missing information.  I don't know much about these brakes.  I did a quick search and didn't yield much info.  

I got them off of a 1991 Bridgestone RB-1.  Perhaps these brakes were 'special order' for the RB-1?  I only suggest this because the cranks I took off it were made by Sugino.  Trying to find more information about those also yielded little information except that they were found on a '91 RB-1. 
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Additional Resources
Resources:Reference & ChartsCatalogs
Brand Information(click to expand)

Dia-Compe is a bike part manufacturer that specializes in bicycle brake components and other bike accessories. The founder started by making bicycle brakes in 1930. Since then, Dia-Compe has adapted a new technique, “Aluminum Cold Forge Technology,” and evolved into a leading manufacturer of bike parts and brake accessories. As this brand is known for producing high-quality bike components, there are a wide variety of products including drivetrain components, brake pads, steering components, brakes, bike brake levers and shifters for different types of bikes. Dia-Compe parts are also available in various sizes.

Dia-Compe offers a line of drivetrain components such as bearing retainers, alloy cable tips and cable ferrules. As for steering components, Dia-Compe produces top cap parts, crown races and headsets in different sizes. As for brakes and shifters, you will find a nice selection of cantilevers, calipers and small parts such as washers, nuts and adjusting barrels.

Cyclists often prefer Dia-Compe products because they are known to be sturdy, reliable and relatively affordable. While there are lots of bike part manufacturers out there, Dia-Compe is one of the most trusted brands. Their parts are also readily available and easily accessible.

President : Kozo Yoshigai
Headquarters : 7-25, Higashi-Ebata Cho, Kadoma City,
Osaka 571-0008, Japan
TEL : +81-72-884-8020   FAX : +81-72-885-8030
E-mail : info@diacompe.co.jp  URL : http://www.diacompe.co.jp

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