A love of riding and the outdoors is the foundation of the communities that make mountain biking what it is, but it takes nurturing and a whole lot of energy to also make it sustainable. Meet two people who are doing just that in Bellingham, WA. https://www.vitalmtb.com/videos/member/Pillars-The-Mentors-Katie-Holden-Eric-Brown,35786/Freehub-Magazine,11414?utm_source=twitter.com&utm_medium=referral&utm_campaign=spotlight#.W4bVoaKJepk.twitter …