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Surly Big Easy Cargo Ebike

Surly Big Easy Cargo Ebike
  • Color: Pile of Bricks Red
Color: Pile of Bricks Red
Size: Select size
Wheel Size: 26-inch
Please select options Unavailable
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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

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

Frame measurements (mm)SMMDLG
A. BB Drop50 5050
B. Chainstay Length830 830830
C. Fork Length - Axle to Crown420 420420
D. Fork Offset50 5050
E. Head Tube Angle (deg)68 6868
F. Headtube Length130 175220
G. Reach395.6 422.4449.2
H. Seat Tube Angle (deg)72.5 72.572.5
I. Seat Tube Length - Center to Top410 450500
J. Stack553.3 595636.7
K. Standover693 722748
L. Top Tube Length (Effective)570 610650
M. Wheelbase1481.3 15251568.7
Component measurements (mm)
Crank Arm Length170 175175
Handlebar Width820 820820
Handlebar Rise / Drop83 8383
Stem Length48 4848
Stem Angle (deg)0 00
⚠️ WARNING: This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to


Motor Bosch Cargo Line
Battery PowerPack 725 Battery
Controller/Display Bosch Performance Line Cargo, with Intuvia 100 Display, and LED Remote
Fork Surly Dinner Fork
Hubs Front: Novatec 15 x 110mm, 32h, 6 Bolt
Rear: Novatec 12 x 148mm, 32h, 6 Bolt
Rims Alex MD30, 26", 32h
Stem Sunday Freeze Top Load, 48mm
Chain KMC eGlide EPT Anti-Rust
Frame Big Easy
Tires Surly Extra Terrestrial 26 x 2.5" 60tpi, Tubeless Compatible
Rotors 203mm F/180mm R, 6 Bolt
Saddle WTB Volt
Spokes Straight 14g, Black
Headset Cane Creek ViscoSet [tuned for Surly Big Easy] upper. 40 series lower
Crankset FSA E-Bike CK-763/IS, paired with 38T FSA Chainring
Seatpost TransX JD-YSP15, 30.9mm Dropper Post (SM–MD: 120mm travel, LG: 150mm travel)
Shifters Shimano Cues U4000
Handlebars Surly Sunrise
Tape/Grips Velo Black
Brake Levers Tektro HD-T740
Rear Derailleur Shimano Cues U4000 GS
Cassette/Freewheel Shimano Cues LG400, 11-46t, 9 speed

* Subject to change without notice.


Part Numbers

Option UPC MPN
Pile of Bricks Red / Large / 26-inch 708752416697 BK3648
Pile of Bricks Red / Small / 26-inch 708752416413 BK3646
Pile of Bricks Red / Medium / 26-inch 708752416550 BK3647