Ridstar Electric Bike for Adult 15/20/40Ah 48/52V 20"Fat Tire Mountain Motobike. 【 𝐄𝐱𝐜𝐞𝐩𝐭𝐢𝐨𝐧𝐚𝐥 𝐋𝐨𝐧𝐠 𝐑𝐚𝐧𝐠𝐞 𝐁𝐚𝐭𝐭𝐞𝐫𝐲 】 -- The Q20 Pro electric dirt bike for adults is equipped with two UL-certified 52V 20Ah batteries, totaling 40Ah, featuring a BMS system.
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