Aima Big Sur Sport ID Width (mm)-20 ** The XP4 is also

** The XP4 is also certified to UL 2849

Ride longer and more comfortably in an upright cruising position with our new zero-degree stem

Sealant required for tubeless use

Fits 16oz cartridges

† Click here for information on battery safety

Aima Big Sur Sport ID Width (mm)-20 ** The XP4 is alsoBig Sur is a 26 x 4 fat tire all terrain e bike, equipped with a powerful 750W Bafang rear hub motor. A specially designed big headlight, extra large 203mm brake rotors, LG 21700 battery cells, and a full UL2849 certification make Big Sur one of the safest e bikes on the market. Sporting a bigger 52T crankset for stability at speed and a custom AIMA Comfort XL seat, Big Sur provides riders with a remarkably comfortable and smooth riding experience.