Bicycle Rubber Seat Stem Donut Trailer Hitch

Rubber bike trailer hitch fastens around the bicycle seat stem.  Requires no bike mount hitch, which will make a bike trailer very flexible to switch between bikes on a long cross-country trip.  Fits inside a 3/4" X 3/4" square tube. Can be easily shaved down to fit in other smaller tubes. Color may vary from black or blue as pictured. 
Rubber bike trailer hitch fastens around the bicycle seat stem.  Requires no bike mount hitch, which will make a bike trailer very flexible to switch between bikes on a long cross-country trip.  Fits inside a 3/4 X 3/4 square tube. Can be easily shaved down to fit in other smaller tubes. Color may vary from black or blue as pictured. 

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Bike trailer hitch coupler connector seat tube post attachment bicycle adapter

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