all previous models and introduced the i2 and x2 products, which were steered by leaning the handlebars to the right or left, had a maximum speed of from a pair of Brushless DC electric motors with regenerative braking and a range of up to , depending on terrain, riding style and state of the batteries. Recharging took 8–10 hours. The i2 and x2 also introduced the wireless InfoKey which could show mileage and a trip odometer, and put the Segway into Security mode, which locked the wheels and set off an alarm if it was moved, and could also be used to turn on the PT from up to away. The company was acquired by British businessman Jimi Heselden from its U.S. inventor Dean Kamen in December 2009. A year later, in an ironic and unfortunate accident, Heselden died after he "plunged into the River Wharfe while riding a rugged country version" of Segway. Versions of the product prior to 2011 included (in order of release): Segway i167 (2001 revealed, 2002 shipped) Segway e167: As i167, with addition of electric kickstand Segway p133: Smaller platform and wheels and less powerful motors than the i and e Series with top speed of in the p-Series Segway i180: With lithium-ion batteries Segway XT: The first Segway designed specifically for recreation Segway i2 (2006): The first on-road Segway PT with LeanSteer Segway x2 (2006): The first off-road Segway PT with LeanSteer In March 2014, Segway announced third generation designs, including the i2 SE and x2 SE sport, new LeanSteer frame and powerbase designs, with integrated lighting. Subsidiary of Ninebot Ninebot Inc., a Beijing-based transportation robotics startup and a Segway rival, acquired Segway in April 2015, having raised $80M from Xiaomi and Sequoia Capital. The acquisition came months after the U.S. International Trade Commission agreed to investigate Segway's claim that Ninebot and other companies were infringing on its patents and copyrights. Segway requested the blocking of imports of competing scooters into the United States. In June 2016, the company launched the Segway miniPRO, a smaller self-balancing scooter. End of production In June 2020, Ninebot, the owner of the Segway brand, announced that it would no longer make the namesake two-wheeled, self-balancing product. Only 140,000 units were sold during the lifetime of the product, and in the later years the Segway PT only made up 1.5% of total company profit. Factors contributing to the end