Controller · OEM · Rad Power Bikes
2019/2020 RadMini (RadMini 4) controller
No public part number
- Connector
- Round threaded/keyed Rad connectors ('internal notch and pins, external arrows')
Guide titled '2019/2020 RadMini and RadMini Step-Thru'; controller on downtube above bottom bracket (HS) or seat tube (ST), four bolts/two brackets. No specs/part number.
Fits these bikes
- ProbableRad Power Bikes RadMini 4 High-Step (2020-2022, external battery)Guide is titled '2019/2020 RadMini' and does not use the name 'RadMini 4'; RadMini 4 is the 2020-2022 generation so it is almost certainly this controller, but the guide does not say so explicitly. · verified Sep 8, 2026
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