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Old 11-30-21, 04:32 PM
  #80  
SJX426 
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Join Date: May 2008
Location: Fredericksburg, Va
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Bikes: '73 Bottecchia Giro d'Italia, '83 Colnago Superissimo, '84 Trek 610, '84 Trek 760, '88 Pinarello Veneto, '88 De Rosa Pro, '89 Pinarello Montello, '94 Burley Duet, 97 Specialized RockHopper, 2010 Langster, Tern Link D8

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Pederson Self-Engagement System - The calipers are on a spring loaded helical track. When the brake is applied, the resistance pulls the caliper in towards the rim, increasing the brake force.
P1010340 on Flickr
Suntour removed the front brake from the market due to lock ups potential and litigation risk.
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