Growing up in Inverness as a child of the ’70s, Burton Eubank filled his afternoons riding a bike through the skein of trails in the Phillip Burton Wilderness. Balanced atop a mint blue Schwinn Columbia, he would plunge down the wending path that Sky Trail cuts to the coast, his red mop of hair jouncing between the viridescent Douglas firs. 

Mr. Eubank has spent much of his life astride a bike, but the freedom…