Find answers, troubleshoot issues, and get help with your Surface 604 electric bike.
Error codes, pedal assist, motor issues
14 articles
Unboxing, setup, first ride checklist
7 articles
Parts replacement, accessories, installs
14 articles
Brakes, derailleur, chain, tires
11 articles
Speed settings, km/mi, password, trip reset
4 articles
Battery care, charging tips, range issues
6 articles
Owner's manual, display manual, catalogues
7 articles
2016-2019 Rook, Colt, Shred, Boar support
4 articles
Complete guide to Surface 604 error codes: Error 05, 06, 07, 08, 09, 12, 25, and 30 — with real-world symptoms, step-by-step troubleshooting, affected bikes, and replacement part links.
Step-by-step guide to diagnosing battery issues with a multimeter, understanding voltage readings, charger testing, battery care tips, and submitting a warranty claim.
The required password is 0510.
Display is completely blank and nothing happens when you press the power button. Step-by-step diagnosis from battery to controller.
