Topic Tag: john muir Search for: Singletracks Mountain Bike News, Reviews, MTB Trails and Community › Protected: Forums › Topic Tag: john muir Viewing topic 1 (of 1 total) Topic Voices Posts Freshness What if John Muir had a Mountain bike? Started by: Adam Van Winkle in: Mountain Bike Forum 5 7 7 years, 3 months ago Jim Cummings Viewing topic 1 (of 1 total)