I've put together a really nice 50 mile loop from the minuteman that spans most of the rail trails from Davis Square in Somerville to Carlisle Station to Chelmsford and through Great Brook back home.
Not sure how many people ride cross bikes or road bikes that can do a little dirt, but if anyone wants to join me on this loop, let me know. Of if you just want to ride it yourself, here's the loop:
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Mtbr's 2016 Winter Biking GearReviews and Roundups
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