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YUME
YUME R8 52V (20Ah) on Pumo Wiki:, Price TBD, official range 50km, weight 28kg. High-performance YUME R8 with a 52V 20Ah (~1040Wh) pack.
High-performance YUME R8 with a 52V 20Ah (~1040Wh) pack.
Opens eBay and Facebook Marketplace search results for "R8 52V (20Ah)".
Recommended charger
58.8V 2A-class charger
How to check battery health
Display remaining charge, full-charge voltage, real-world range, controller heat
Full-charge voltage sag and high-current discharge heat needs checking
Folding-stem and handlebar-joint play needs checking
Hydraulic-brake leaks and rotor warp needs checking
Price TBD for R8 52V (20Ah) in USD. Condition, battery health, and accident history affect price — check voltage and wear items before buying.
Full-charge voltage sag and high-current discharge heat needs checking; Folding-stem and handlebar-joint play needs checking; Hydraulic-brake leaks and rotor warp needs checking
Battery and controller heat: Check 52V 20Ah battery high-speed riding heat charging heat Stem and brakes: Check folding stem play handlebar hydraulic brakes
Key specs: official range 50km, battery 1040Wh, 52V 20Ah, weight 28kg, top speed 55km/h.