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HPV Scorpion FS20 e-conversion

In January 2017 I set about electrifying my HPV Scorpion FS20 recumbent trike. Trikes are great fun to ride, and comfortable too. A lower profile and recumbent position mean they are more aerodynamic, but the downside is their weight. For me, it makes any climb hard going, even pretty innocuous lumps can take some effort. …

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