Ridekick Trailer Registration. Thank you for your time to help us support you well. First Name* Last Name* Date Purchased* Purchase Location Serial – Trailer The serial number is located on a small white sticker above the wires inside the Ridekick trailer. Ridekick version -None-RK – SLA – 900HT (2011)RK – Li – LR20 (2012)RK – SLA – 900S (2016)RK – LiFePO4 – LR30 (2016) Phone Mobile Other Phone Email Secondary Email Mailing Street Mailing City Mailing State Mailing Zip Mailing Country Other Street Other City Other State Other Zip Other Country