The Lodge is our new trailside clubhouse in Fairfax, the birthplace of mountain biking - book a tour with us to check it out, and click on the logo above for more information about The Lodge

SF's Premier Mountain Bike Shop & Guide Service

Big Swingin' Cycles is the premier mountain bike guide service in NorCal.  Based out of our full service pro shop for 20 years, we maintain a fleet of the best demo bikes, coupled with guides who know Bay Area riding like no one else. AND - we've just opened our new trailside clubhouse up in Marin to make your ride even more memorable.  Our guides have First Aid, CPR, & Wilderness First Aid Training.

San Francisco Mountain Bike Tours & Demo's

2260 Van Ness Ave San Francisco, CA 94109

1/2 Day Marin Tour

Let us get you on Marin's best mountain bike trails. See why it started here.

FEATURED TOURS

Santa Cruz Full Day

Ride Santa Cruz's loamy Redwood forests and flow trails.

Sonoma Full Day Tour

Wine isn't the only thing Sonoma should be know for.

Urban Mountain Biking 

Think you can't mountain bike in metro SF?  Wrong! We'll show you a great ride.