A Joyful and Practical Bicycle Repair Guide August 17, 2024 January 10, 2026 by Marcus Chen in Cycling Routes 0 min read Marcus Chen Author & Expert Marcus Chen is a USA Cycling certified coach and former professional cyclist. He has completed over 50 century rides and toured extensively across North America and Europe. Marcus specializes in route planning, bike fitting, and endurance training. 193 Articles View All Posts