The Big Easy is a longtail electric cargo bike that expands what's possible by bike. With passenger deck seating, Surly trailer integration 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.

INFO

Condensed bike size range and dropper post routing to promote bike sharing and to accommodate more riders per frame size 
Fully tested and rated electric bike component set 
Capable of running dual batteries for extended range
Damping headset provides smooth and stable handling characteristics under heavy loads 
Equipped with the most powerful Bosch electric bike motor and largest battery available
Includes Bosch Standard 4A charger, wiring harness and brackets for additional battery
Lock keys and cores included - all keyed the same
Dummy Cargo Kit included

	Bosch Performance Line CX Drive: Provides a maximum torque of 75 Nm, with assistance up to 20 mph. No overheating, even during long ascents Up to 300% of perfectly delivered support, incredible dynamism and unique grip provide the best possible support on all terrains The progressive motor support automatically adapts to the individual’s riding style, so there is no need to change support modes in eMTB mode Ideal drive system for ambitious and demanding eBikers
PowerPack 500 Battery: Increased capacity to 13.4 Ah (Amp-Hours), with 500 Wh (Watt-Hours) for extended range 36-volt Lithium-ion battery requires about two hours to charge 50%, and full charge takes approx. 4.5 hours with the Bosch Standard Charger Frame-mounted battery pack weighs 5.7 lbs Bosch Standard 4A Charger included
	Expand what’s possible with Dual Battery Operation: Big Easy is designed and configured to easily accommodate a second battery; an ideal solution for cargo bike applications Dual Batteries deliver up to 1,000 Wh for even more range and capability The Bosch DualBattery system switches intelligently between the two batteries, both during charging and discharging DualBattery feature is compatible with PowerPack 400 and 500 series frame-mounted batteries (Additional battery sold separately)
Purion Computer: Designed with simplicity in mind, so riders can get the information they need at the touch of a button Features include charging status, speed, riding mode, range, trip distance and total distance Manages four levels of assist from Eco to Turbo, with an eMTB mode specially designed for the Performance Line CX Drive system

SPECS

Frameset

Frame - Surly Big Easy Frame for Bosch Mid Drive. Surly 4130 Chromoly Steel.

Fork - Surly Big Easy Fork. 4130 Chromoly Steel.

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

Cassette / Cog -SunRace CSMS7 11-42

Chain - KMC X11e

Components

Grips / Bar Tape - Velo single lock-on

Handlebar - Salsa Bend 17 degree. No logo

Stem - ProMax 4-bolt 31.8mm clamp

Headset - Cane Creek ViscoSet [tuned for Surly Big Easy] upper. 40 series lower

Front Shifter - n/a

Rear Shifter - SRAM NX 11 speed

Brake Levers - Tektro

Brakeset - Tektro Orion 4 Piston HD-M745

Saddle - WTB Volt

Seatclamp -Surly Stainless

Seatpost - ProMax 2-Bolt. 30.9mm

Wheels

Front Hub - Shimano M525, 32h, QR

Rear Wheel - Shimano M525, 32h, QR

Front Thru Axle / QR - QR

Rear Thru Axle / QR - QR

Rims - WTB STS i29 TCS

Tires - Surly ExtraTerrestrial 26x2.5" Tubeless Ready

Tubes - included

SIZING

Frame measurements (mm)	SM	MD	LG
A. BB Drop	40	40	40
B. Chainstay Length	821	821	821
C. Fork Length - Axle to Crown	420	420	420
D. Fork Offset	43	43	43
E. Head Tube Angle (deg)	69	69	69
F. Headtube Length	150	180	210
G. Reach	411	431	448
H. Seat Tube Angle (deg)	72.5	72.5	72.5
I. Seat Tube Length - Center to Top	406	432	508
J. Stack	567	595	623
K. Standover	723	771	821
L. Top Tube Length (Effective)	590	620	645
M. Wheelbase	1480	1512	1539

Component measurements (mm)
Crank Arm Length	175	175	175
Handlebar Width	740	740	740
Handlebar Rise / Drop	-	-	-
Stem Length	60	70	80
Stem Angle (deg)	6	6	6

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