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Join Date: Nov 2007
Location: Anchorage, Ak
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Bikes: 2015 Calfee Tetra tandem,2016 Calfee Tetra Adventure Tandem, Ventana ECDM 26 mtn tandem, Ventana ECDM 29r full suspension Mtn tandem ,Ventana Fat tire tandem, Calfee Dragon Fly, Santa Cruz Carbon 5010, 907 Whiteout fat tire
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The lightning crank connection is like a Hirth joint and I don't think people have been having problems with them. Campy uses something similar and S&S couplers for that matter.