RCR 72v Support
My RCR 72v Won't Hold a Charge After Storage
This guide explains what it means when your RCR 80V only powers on while connected to the charger, and what to do next. Common Symptoms You may notice: Bike cuts out while riding prematurely Bike powers on only when plugged into the charger Display ...
ONYX RCR 45Ah Battery Fitment & Installation Guide
This guide walks you through installing the ONYX 45Ah 72V battery into your RCR, including connector compatibility and frame-specific fitment steps. Before You Begin (Important) This guide applies to riders installing the ONYX 45Ah 72V battery into ...
RCR 72V Controller Guide
Controller Overview The RCR 72V uses a Kelly KLS series controller. All wiring diagrams, configuration parameters, and error code definitions are handled through Kelly’s official documentation and software. This article provides an overview of the ...
The ONYX 72v RCR Whisperer— John Angel
If you’ve owned, researched, or seriously ridden an ONYX RCR—especially a 72V—there’s a very good chance you’ve come across John Angel. Known throughout the NYC e-bike scene as “the ONYX RCR whisperer” and often referred to as the godfather of NYC ...
RCR 72v 41Ah & 45Ah BMS Info / Connection Guide
This guide walks you through identifying your battery, connecting to the correct BMS app, and checking battery health. Step 1: Identify Your Battery Before connecting, confirm which battery you have. 41Ah Battery Requires the Xiaoxiang BMS app ...
RCR 72v 45ah Battery Upgrade
This guide walks you through installing the ONYX 72v 45ah battery into your RCR, including connector compatibility and frame-specific fitment steps. Before You Begin (Important) Buy our RCR 72v 45ah Battery If we're out of stock, check out our ...