Advanced Trail Building: ‘Switchberm’

“What makes switchberms different than rolling crown switchbacks [depicted above]?   -the leg just above the turn is a gentle grade, keeping speeds in check for descending riders (5%-8%). -the turn is on a nearly level platform and slightly bermed (insloped 6%-9%). -the climbing leg below the turn is brief but quite steep (15%-20%, or […]

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