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BULLS E-CORE EVO EN Di2 Review | E-MOUNTAINBIKE Magazine
BULLS E-MTB news 2019: lightweight 15,9 kg bike, Brose with 750-Wh-battery & eSUV full-susser | E-MOUNTAINBIKE Magazine
BULLS SIX50 EVO AM 3 Electric Mountain Bike Review Part 1 – Pictures & Specs | Electric Bike Report | Electric Bike, Ebikes, Electric Bicycles, E Bike, Reviews
Bulls unveils huge new 2020 e-bike lineup including 28 mph Gen4 Bosch motors | Electrek