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Join Date: Nov 2007
Location: Anchorage, Ak
Posts: 620
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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This won't work especially with Di2 and 11 speed. I don't think it would work with mechanical either . You will drop the chain in between on most shifts. The spacing is precise for the chain width. I helped with a di2 Santana that kept dropping the chain between the chainring a and it baffled us for a while till we figured out the shop mounted the inner ring backwards. Remounted it and it never skipped a beat again.