I'm not an exceptional climber, but I can descend with the best of them. The key to descending is to loosen your grip on the handlebars and bend your elbows. This will help with subpar road surfaces and keep your hands from getting numb and a stiff upper body which can make for eroneous handling.
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2010 Raptor Series 7
Raptor Bicycles of Texas
Fully custom carbon bikes
940-442-3344