Deeper than normal, these Dia-Compe BRS101 calipers have a drop of 43-57mm and feature a dual pivot design. Made from cold forged alloy, they are strong as-well-as light.
Rim brakes for bikes use the sidewall of the rim to reduce speed, this is done by a pad on either side applying friction against the rim, which reduces your momentum. Road brake callipers have been redesigned over the years and now use a system called 'dual pivot' which means the brake arms pivot off centre to apply a higher amount of pressure on the rim to increase your stopping power. Most manufacturers use dual pivot callipers on the front and rear, but some Campagnolo brakes use a traditional single pivot on the rear to 'balance' the braking power, the logic behind this is that as you brake your weight shifts on to the front of the bike and as much as 75% of the braking force is applied to the front.
Founder of Dia-Compe started tp produce bicycle brakes in Japan in 1930, and a corporate organisation Yoshigai Machine and Metal Works Ltd was established in 1949. Since then Dia Compe has always been a leading bicycle company providing high quality products throughtout the world. There high quality bicycle brake components and accessories are based on their own designs and techniques. Dia Compe's basic theory is to develop products by thinking of the quality of products and providing the reliability customers require.
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Executive Director: Will Kernan.