Backyard MTB trail upgrade time. Posted on October 1, 2020 by RunBikeMike Checkout the latest upgrade at Walnut Springs my Backyard mountain bike trail. Backyard Mountain Bike Trail Teeter Totter Skinny Upgrade:Will I Fail Riding It This Time? https://youtu.be/npSDCerAPqA Share this:TwitterFacebookRedditLike this:Like Loading... Published by RunBikeMike I am a husband, a father of two beautiful girls, and I love biking, running and building things. View all posts by RunBikeMike