Surly Big Easy


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The Big Easy is a versatile longtail cargo e-bike ideal for families, entrepreneurs, and commuters, offering customizable setups and enhanced stability with its new Surly Dinner Fork. With features like a Bosch drivetrain and dual-leg kickstand, it’s designed to meet various cargo needs while ensuring rider comfort and control.


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)

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 rides and durable wheel builds for added stiffness and strength

Big Easy complete bikes available for purchase in the US and Canada only



Material: 100% Surly Chromoly Steel, Natch tubing, double-butted tapered fork blades, TIG welded, E.D. coated


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


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


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


Register your purchase at Surly’s Warranty Registration.


This Surly product is warranted against defects in materials and workmanship for three years from the date of retail purchase of the product, subject to the limitations detailed below. Save your dated receipt for proof of purchase.

This warranty does NOT cover the following:

  • Damage due to improper assembly or follow-up maintenance or lack of skill, competence or experience of the user or assembler
  • Products that have been modified, neglected, used in competition or for commercial purposes, misused or abused, involved in accidents or anything other than normal use
  • Installation of components, parts or accessories not originally intended for or compatible with bicycle as sold
  • Damage or deterioration to the paint, surface finish, aesthetics or appearance of the product
  • Normal wear and tear
  • Labor required to remove and/or refit and re-adjust the product within the bicycle assembly

This limited warranty is expressly limited to the repair or replacement of a defective product, at the option of Surly, and is the sole remedy of the warranty. This limited warranty applies only to the original purchaser of the Surly product and is not transferrable. This warranty applies only to products purchased through an authorized dealer or distributor. In no event shall Surly be liable for any loss, inconvenience or damage, whether direct, incidental, consequential, or otherwise resulting from breach of any express or implied warranty or condition, of merchantability, fitness for a particular purpose, or otherwise with respect to our products except as set forth herein.

This limited warranty gives the consumer specific legal rights, and those rights and other rights may vary from place to place. This limited warranty does not affect your statutory rights.