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Surly Big Easy Cargo

This is the 18 wheeler of ebikes, maximized for cargo use without sacrificing ride comfort. The Rear rack supports up to 200lbs of weight.

Download Spec sheet here > Spec Sheet

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Brands: Surly
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Description

Frameset

Frame Surly Big Easy Frame for Bosch Mid Drive
Fork Surly Big Easy Fork
Seatpost Clamp Surly Stainless

Components

Headset Cane Creek ViscoSet [tuned for Surly Big Easy] upper. 40 series lower
Brakes Tektro Orion 4 Piston HD-M745
Brake levers Tektro
Shifters SRAM NX 11 speed
Grips Velo single lock-on
Rotors Tektro 6-Bolt 180mm
Stem ProMax 4-bolt 31.8mm clamp
Handlebar Salsa Bend 17 degree. No logo
Saddle WTB Volt
Seatpost ProMax 2-Bolt. 30.9mm
Kickstand Alloy w/ Stainless bolt

Drivetrain

Drive Unit Bosch Performance CX [20m/h]
Battery Bosch PowerPack 500
Display Bosch Purion
Crankset Miranda for Big Easy
Bottom Bracket included in Bosch Unit
Front derailleur N/A
Rear derailleur SRAM GX
Cog or cogset SunRace CSMS7 11-42
Chain KMC X11e

Wheels

Front hub Shimano M525, 32h, QR
Rear hub Shimano M525, 32h, QR
Rims WTB STS i29 TCS
Tires Surly ExtraTerrestrial 26×2.5″ Tubeless Ready
Frame Construction 4130 Chromoly, Natch tubing, double-butted main triangle, TIG welded
Fork Construction 4130 Chromoly, Natch tubing, double-butted tapered fork blades, TIG welded, ED coated
Rear Dropout Configuration Vertical
Rear Hub Spacing 10 x 135mm
Front Hub Spacing 10 x 100mm
Rear Brake Compatibility Disc – 51mm I.S. (203mm max rotor)
Front Brake Compatibility Disc – 51mm I.S. (203mm max rotor)
Head Tube Ø34mm
Steerer Tube Ø28.6mm (1-1/8″)
Crown Race Diameter Ø30mm (1-1/8″)
Stock Headset Upper (S.H.I.S.) EC34/28.6
Stock Headset Lower (S.H.I.S.) EC34/30
Seat Collar Ø30mm
Seat Post Diameter Ø27.2mm
Front Derailleur (Clamp) N/A
Max Chainring (CL)[3] No frame limitations
Bottom Bracket 73mm threaded (1.37″ x 24TPI)
Tire Clearance Frame [1][2] 26 x 2.5″ (w/ or w/o fenders)
Tire Clearance Fork [1] 26 x 3.0″” (w/o fenders)
26 x 2.8″” (w/ fenders)
Rigid Fork Spec 420 x 43mm
Max Suspension Fork Length [4] N/A
Bottle Mounts Frame 3 Standard
Bottle Mounts Fork 4 Three-Pack
Rack Mounts Frame Yes (Surly Dummy Rails)
Rack Mounts Fork Yes (upper, lower, and mid-blade threaded)
Fender Mounts Frame Yes
Fender Mounts Fork Yes
Other Features Kickstand plate
Dedicated Rohloff cable routing and mount for OEM 2 axle plate
Internal dropper post routing compatible
Dual Bosch PowerPack Battery Mounts

Download Spec sheet here > Spec Sheet

Brand

Surly

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