I picked up this Fox (Dynamark) Thunderbolt frame yesterday at Windber in Jeff's pile of mini's. It does not have a slanted engine mount and I can't find one like it in any Fox brochures. I have a 1972 Thunderbolt 170 with a cracked frame (blue one) that I am thinking about transferring parts to...
I bought this mini at Windber that was in the pile of mini's by the entrance. Jeff says it's a Fox which the tank definitely is, however the rest of the frame and TC cover looks "Speedway". I know Fox bought out Speedway in the early seventies and morphed bits and pieces together. My question is...
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