4-29/5-1-2011 SF Apr 1, 2011 Categories: MASH Frames 0 Comment The last weekend in April will be really fun in SF. Lots of riders coming to the city for a weekend of races. Chas is hosting a proper alley-cat weekend warm up, Friday Night. Saturday is the Style Race at Justin Herman Plaza. Sunday MASH will host a hill climb event, along with a new shop opening. Look for updates soon. April 29 kickoff!