Bicycle Archive · Specification report

2027 Jamis Hudson E1

Velopedia Archive ID 900001689

Overview

Model year	2027
Brand	Jamis
Model	HUDSON E1
Bicycle type	Electric-assist
Archive ID	900001689
Original MSRP	$1,899.95
Colors	STANDARD FRAME: Midnight Blue & Monterey Gray STEP-THRU FRAME: Midnight Blue & Vanilla Mint
Sizes	19″; 14″ S/T; 18″ S/T
Weight	37.50 lbs

Frameset

Frame construction	6061 Aluminum frame, Internal cable routing, Rear mount kickstand, Replaceable derailleur hanger, Integrated battery, Integrated lighting and Rack/Fender mounts.
Frame material	Aluminum
Fork	6061 Aluminum rigid, 62mm crown
Fork material	Aluminum

Drivetrain

Component group	MicroShift Acolyte 8s w/ clutch
Shifters	MicroShift Acolyte 8s trigger
Rear derailleur	MicroShift Acolyte 8s w/ clutch
Crankset	Alloy 42T, Double chainguard
Bottom bracket	Sealed cartridge, 68 x 122.5mm w/ single side torque sensor
Cassette	Microshift 11-38T
Chain	KMC Z8.3, 8-speed
Pedals	Comfort platform with TPE non-slip insert

Brakes

Brakes	Tektro Hydraulic Disc HD-M280, 160mm Rotors

Cockpit & contact points

Headset	Integrated cable routing ZS
Handlebar	Comfort hi-rise, alloy 25.4 x 80mm rise x 15˚ sweep x 640mm
Stem	Jamis alloy, 180mm quill x 80mm extension
Saddle	Jamis CHEEKS memory foam saddle
Seatpost	Alloy micro-adjust, 31.6 x 300mm, with alloy QR clamp

Wheels & tires

Wheels	Alex SD20 double wall alluminum, Freehub, 6 Bolt, QR front
Front tire	CST 27.5 x 2.4″
Rear tire	CST 27.5 x 2.4″
Wheel size	27.5

E-bike system

Motor	Hyena hub motor 250w, 40Nm
Battery	Hyena Integrated 250Wh

Geometry · 19″

Effective top tube	641 mm
Head tube	200 mm
Head-tube angle	68°
Seat-tube angle	67°
Chainstay / rear center	475 mm
Wheelbase	1127 mm
Bottom-bracket height	286 mm
Standover height	797 mm
Fork offset / rake	55 mm

Geometry · 14″ S/T

Effective top tube	612 mm
Head tube	210 mm
Head-tube angle	68°
Seat-tube angle	67°
Chainstay / rear center	475 mm
Wheelbase	1098 mm
Bottom-bracket height	286 mm
Standover height	466 mm
Fork offset / rake	55 mm

Geometry · 18″ S/T

Effective top tube	620 mm
Head tube	217 mm
Head-tube angle	68°
Seat-tube angle	67°
Chainstay / rear center	475 mm
Wheelbase	1106 mm
Bottom-bracket height	286 mm
Standover height	488 mm
Fork offset / rake	55 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 14, 2026.