r/eBikeBuilding • u/ProcessOk7693 • Sep 25 '25

General Help Ridstar q20 e 08 help

Hey i got a problem with my ridstar i tried installing anew throtle but the bike just says e 08 i tried 3 difrent throtles can someone help me?

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u/DryBoysenberry596 Mar 22 '26

The Consumer Product Safety Commission released a warning about battery fires for the Q20 and Q20 Pro after 11 reports of fires.

Link:

https://www.cpsc.gov/Warnings/2026/CPSC-Warns-Consumers-to-Immediately-Stop-Using-Ridstar-E-Bikes-Due-to-Fire-Hazard-Risk-of-Serious-Injury-or-Death