BULLS Bikes | The Best USA Bicycle and eBikes Manufacturer
New 2021 BULLS SONIC EVO models with the new Shimano EP8/750 Wh – Design fireworks | E-MOUNTAINBIKE Magazine
2020 BULLS eBike Innovations – A 180 mm eMTB, a carbon step-through and a Sachs motor with a 650 Wh battery | 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