Big Sur is a dynamic 26” x 4” fat-tire e-bike armed with a robust 750W Bafang motor for unbeatable all-terrain performance! Big Sur is Class 2/3, meaning it'll take you up to 20mph using the throttle, and 28mph while pedaling. 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. Enjoy a ride that’s not just exhilarating, but exceptionally smooth and comfortable too. Explore with confidence, comfort, and unmatched power with Big Sur!" Free Tune-Up: This is our way of saying thank you for purchasing an ebike with us! With an ebike purchase, receive a free one-time Standard Tune-Up at our repair center. Valid for one year after purchase date. Receipt required. This offer does not include parts or labor for modifications. Inclusions for this service can be found here under the 'Tune-Up - Standard' service section. Features MODEL: Big SurMOTOR: 750W (Rated), 48V Brushless Rear Hub MotorTHROTTLE: Throttle on demandDISPLAY: LCD Smart Easy Read Display with Backlight, Colorful screenSPEED: Up to 28 MPH on the Pedal AssistBATTERY: Removable Internal Lithium-ion 48V, 15Ah (720Wh) with LG cellsSENSORS: Torque SensorPEDAL ASSIST: 5 LevelsCHARGER: 48V 3 Amp Fast Charger, about 5 Hours ChargingRANGE: Up to 60 Miles Specifications FRAME: 6061 Single-Butted Aluminum Alloy Frame with Internal BatteryWEIGHT: 82 lbs. ( Battery included)PEDALS: 9/16' Alloy PlatformFORK: Suspension Fork with 80mm travel, with lockoutWEIGHT LIMIT: 400 lbs.KICKSTAND: Included, Aluminum Alloy Kickstand CRANKSET: 170mm w/ 52 TSHIFT: Shimano 8 SpeedBRAKES: Hydraulic Disc BrakesROTOR: 203 mmCHAIN: 130 Link, 8 SpeedRIM: Double Wall Aluminum AlloySPOKES: Black Stainless 12G Front / 12G RearTUBES: Butyl RubberHUBS: Front Aluminum Alloy Disc Hub TIRES: 26"" x 4"" Puncture ResistantSADDLE: AIMA Comfort, 280mm*270mm saddleSEATPOST: Aluminum Alloy, 30.4mm 2-Bolt ClampSTEM: Threadless, 31.8mm, 7 Degree Rise, Ext 75mmSEAT CLAMP: 34.9 mm Quick ReleaseHANDLEBARS: Aluminum Alloy Double Wall, 31.8mm, 680mmHEADSET: Sealed Bearing HeadsetGRIPS: Ergonomic Comfort Video