Bikes up to 60% offWe monitor over 40,000 bikes daily to find the best prices

Today’s Deals

2026 Author

Empire

A 29″ aluminum frame hybrid e-bike with mid-range components and tektro hydraulic disc brakes.

Weight48.3 lbs  
FrameAluminum
SuspensionHardtail, 80mm
ForkRST VIV AIR
Wheels29″ Aluminum
GroupsetCUES
MotorShimano 250W 60Nm mid-drive
BatteryShimano 504Wh
BrakesTektro Hydraulic Disc
View on en.author.euLearn about Author
Where to Buy
Similar Bikes
Top Comparison
Insights
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

30 mph

Empire

35 mph

Similar Bikes

Highest gear

(descending)

Sizing
16"

5'1" – 5'6"

18"

5'4" – 5'11"

20"

5'8" – 6'3"

22"

6'0" – 6'7"

Rider Fit Notes

None yet.

Do you have this bike? Help other riders make a decision about which size will work for them by sharing your own size and fit notes.

Geometry
Specs
Build
Frame

double butted hydroformed alloy 6061 29" (integrated battery)

BB StandardSTEPS, Press Fit

ColorsGrey / Lime; Grey / Red

Fork

RST ViV Air TnL, air, lock out 1.5" tapered steerer (80 mm)

Travel80mm

Spring TypeAir

Bottom Bracket

STEPS, press-fit

Stem

AUTHOR alloy

Handlebar

AUTHOR, 15 mm, 700 / 720 mm

Saddle

AUTHOR Sphere Gel

Seatpost

AUTHOR alloy (27.2)

TypeRigid

Pedals

HT platform

Grips

AUTHOR Pro Lock

Groupset
Rear Derailleur

SHIMANO Cues 6000

Crank

SHIMANO Steps E-6100, 38 teeth, 170 / 175 mm cranks

Shifters

SHIMANO Cues 6000 (10)

Cassette

SHIMANO CS-LG400-10, 11-48 (10)

Chain

KMC eGlide

Brakes

TEKTRO HD-M530, disc hydraulic (7" rotors)

TypeTektro Hydraulic Disc

Wheels
Rims

AUTHOR Xenon 29, 32 holes

Spokes

black stainless steel 2.2 mm

Front Hub

AUTHOR Xenon, 32 holes

Rear Hub

AUTHOR Xenon, 32 holes

Tires

AUTHOR Speed Master 29" × 1.75"

Electric Components
Motor

SHIMANO Steps E-6100, 250 W

Battery

SHIMANO E-8035 Li-Ion, 36 V, 14 Ah, 504 Wh

Display

SHIMANO Steps E-7000, LCD

Rider Notes
Riders Also Viewed

First added December 6

Last updated May 30