SFRC Back 40 2017 is just about a month away. TSD plus challenge stages format will be very similar to years past. Location TBA approximately 90 minutes from Portland. Vintage and modern ADV, DS and MX bikes only. Aggressive tires recommended. Current OHV tag and ATV card recommended, no street plate needed. Visit sang-froidridingclub.com for more info. Tune in to @sfrcpdx on instagram for visual hype.