Bicycle Archive · Specification report

Surly Big Easy

Velopedia Archive ID 900000567

Overview

Model year	Model year not published
Brand	Surly
Model	Big Easy
Bicycle type	Electric-assist
Archive ID	900000567
Original MSRP	$5,499.00
Colors	Pile of Bricks Red
Sizes	Small; Medium; Large

Frameset

Frame construction	Surly Big Easy 2.0
Fork	Surly Dinner Fork

Drivetrain

Shifters	Shimano Cues U4000
Front derailleur	N/A
Rear derailleur	Shimano Cues U4000 GS
Crankset	FSA E-Bike CK-763/IS, paired with 38T FSA Chainring
Cassette	Shimano Cues LG400, 11-46t, 9 speed
Chain	KMC eGlide EPT Anti-Rust

Brakes

Brakes	Brake Calipers: Tektro HD-T740, 4 Piston; Brake Levers: Tektro HD-T740; Rotors: Tektro 203mm Front/180mm Rear, 6-Bolt

Cockpit & contact points

Headset	Cane Creek ViscoSet [tuned for Surly Big Easy] upper. 40 series lower
Handlebar	Surly Sunrise
Stem	Sunday Freeze Top Load 48mm
Saddle	WTB Volt
Seatpost	TransX JD-YSP15, 30.9mm Dropper Post; SM–MD; 120mm travel, LG; 150mm travel

Wheels & tires

Hubs	(F) Novatec 15 x 110mm, 32h, 6 Bolt / (R) Novatec 12 x 148mm, 32h, 6 Bolt
Rims	Alex MD30, 26", 32h
Spokes	Straight 14g, Black
Front tire	Surly Extra Terrestrial 26 x 2.5" 60tpi, Tubeless Compatible
Rear tire	Surly Extra Terrestrial 26 x 2.5" 60tpi, Tubeless Compatible
Wheel size	26"

Geometry · Small

Seat tube	410 mm
Effective top tube	570 mm
Head tube	130 mm
Head-tube angle	68°
Seat-tube angle	72.5°
Chainstay / rear center	830 mm
Wheelbase	1481 mm
Bottom-bracket drop	50 mm
Reach	396 mm
Stack	553 mm
Standover height	693 mm
Fork offset / rake	50 mm
Fork length / axle-to-crown	420 mm
Crank length	170 mm
Stem length	48 mm
Handlebar width	820 mm

Geometry · Medium

Seat tube	450 mm
Effective top tube	610 mm
Head tube	175 mm
Head-tube angle	68°
Seat-tube angle	72.5°
Chainstay / rear center	830 mm
Wheelbase	1525 mm
Bottom-bracket drop	50 mm
Reach	422 mm
Stack	595 mm
Standover height	720 mm
Fork offset / rake	50 mm
Fork length / axle-to-crown	420 mm
Crank length	175 mm
Stem length	48 mm
Handlebar width	820 mm

Geometry · Large

Seat tube	500 mm
Effective top tube	650 mm
Head tube	220 mm
Head-tube angle	68°
Seat-tube angle	72.5°
Chainstay / rear center	830 mm
Wheelbase	1569 mm
Bottom-bracket drop	50 mm
Reach	449 mm
Stack	637 mm
Standover height	748 mm
Fork offset / rake	50 mm
Fork length / axle-to-crown	420 mm
Crank length	175 mm
Stem length	48 mm
Handlebar width	820 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 7, 2026.