The Big Easy is a longtail cargo ebike that expands what&';s possible by bike. With passenger deck seating and the option to run dual batteries, families with children, entrepreneurs with bike supported businesses and commuters who want to run more errands en route to their destination will appreciate the maximum cargo potential of Big Easy. Now featuring a new Surly Dinner Fork and a completely redesigned thru-axle frame, Big Easy&';s stability and stiffness adds to its overall cargo capability. Additional improvements include a new Bosch drivetrain, proprietary dual-leg kickstand, updated deck and rails, children&';s seating compatibility, and overall geometry improvements to promote stability and greater rider range. Full component set selected for the demands of heavy cargo hauling, including Tektro four-piston hydraulic brakes for enhanced stopping power Expanded rider fit per size and long throw dropper post compatibility to improve bike sharing among different-sized riders Equipped with the most powerful Bosch electric bike motor Features Surly dual-leg kickstand for superior stability when loading and unloading cargo Two-seat passenger compatibility for human passengers big or small - no adapter needed (Thule Yepp Nexxt Maxi and Burley Dash) NOT compatible with our Bill and Ted trailers Lower stand over height for improved stability when stopping, mounting, and dismounting High-rise Surly Sunrise handlebars improve control and body position with heavy loads Featuring updated Big Dummy bags with simplified design and consistent cargo capacity Damping headset for smooth and stable handling under heavy loads Capable of running dual batteries for extended range Large-volume 26 x 2.5" Extraterrestrial tires for smoother Meets UL 2849, and UL 2271 certification Bosch Cargo Line: Provides a maximum torque of 85 Nm, with assistance up to 20 mph. No overheating, even during long ascents Up to 340% of perfectly delivered support, incredible dynamism and unique grip provide the best possible support on all terrains Bosch riding modes (4 assist levels) create power delivery options for rider preference Custom power modes and other unique features are available through the Bosch eBike Flow App Ideal drive system for big-time haulers and commuting regulars PowerPack 725 Battery: Increased capacity to 19.2 Ah (Amp-Hours), with 725 Wh (Watt-Hours) for extended range 36-volt Lithium-ion battery requires 2.3 hours to charge 50%, and full charge takes approx. 6 hours with the Bosch 4A Charger Frame-mounted battery pack weighs 8.8 lbs Assist Speed (Mph): 20 Battery Power (V): 36 Ebike Class: 1 Platform: Big Easy Assist Levels: 4 Rear Axle: 12mm Thru x 148mm Battery Power (Wh): 725 TT (Effective): 650 Mfg Size: Large Range Estimate (Mi): 15-50 Fork Type: Rigid Frame Material: Steel Charger Included: Yes Lights Included: No Gross Payload (Lbs): 400 Frame Type: Rigid Wheel Size: 26" Brake Type: Disc Charge Time (h): 6 Front Axle: 15mm Thru x 110mm Drive Type: Mid-Drive Fork Material: Steel Color: Pile of Bricks Red Walk Assist: Yes Throttle: No Battery: Li-Ion Motor Torque (Nm): 85 Battery Power (Ah): 19.2 Removable Battery: Yes Defined Color: Red Max Motor Assist (Percent): 340 Frameset Frame Big Easy Fork Surly Dinner Fork Drivetrain Drive Unit Bosch Performance Line Cargo, with Intuvia 100 Display, and LED Remote E-Bike Classification Class 1 Drive Type Mid-drive Max Assist Speed 20 mph, or 32 km/h Motor Torque 85Nm Range Estimate 15-50 Assist Levels 4 Assist Level. Eco, Tour, Sport, Turbo Walk Assist Yes Max Motor Assist 340% Throttle No Gross Payload 400lb max total rider + cargo Battery Capacity Watt Hours 725Wh Battery Capacity Amp Hours 19.2Ah Battery Power Volts 36V Battery Type Li-ion Removable Battery Yes Estimated Charge Time 6 hours Charger Included Yes, Bosch 4A Charger (110V) Lights Included No Front Derailleur N/A Rear Derailleur Shimano Cues U4000 GS Cassette Shimano Cues LG400, 11-46t, 9 speed Chain KMC eGlide EPT Anti-Rust Crankset FSA E-Bike CK-763/IS, paired with 38T FSA Chainring Shifter Shimano Cues U4000 Brake Levers Tektro HD-T740 Brake Caliper Tektro HD-T740, 4 Piston Rotors 203mm F/180mm R, 6 Bolt Components Headset Cane Creek ViscoSet [tuned for Surly Big Easy] upper. 40 series lower Stem Sunday Freeze Top Load, 48mm Handlebar Surly Sunrise Grips Velo Black Seatpost TransX JD-YSP15, 30.9mm Dropper Post (SM-MD: 120mm travel, LG: 150mm travel) Saddle WTB Volt Wheels Front Hub Novatec 15 x 110mm, 32h, 6 Bolt Rear Hub Novatec 12 x 148mm, 32h, 6 Bolt Spoke Straight 14g, Black Rim Alex MD30, 26", 32h Front Tire Surly Extra Terrestrial 26 x 2.5" 60tpi, Tubeless Compatible Rear Tire Surly Extra Terrestrial 26 x 2.5" 60tpi, Tubeless Compatible Other Misc Deck, rails, bags, kickstand, and one set of round pegs are included with complete bike. Additional passenger accessories, fenders, and lights, are not included. * Specifications are subject to change without notice