Original price
$3,799.00
-Original price
$3,985.00
Original price
$3,799.00
Current price
$3,229.00
$3,229.00-$3,415.00
Current price
$3,229.00
| /
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Eunorau · SPECTER S 4.0 / Hunter X9 · 1,000W Mid-Drive · Full Suspension
Eunorau SPECTER S 4.0 / Hunter X9 Electric Bike
The Eunorau SPECTER S 4.0, also sold as the Hunter X9, is a full-suspension fat-tire electric bike with a 1,000W BAFANG G510 mid-drive motor, a removable 48V 17.5Ah battery with LG cells and 26 × 4.0 in Kenda tires.
It runs a SRAM NX 11-speed drivetrain with four-piston hydraulic brakes, a 140 mm fork and includes an aluminum rear rack and full fenders. Eunorau lists up to 40 miles of range, or up to 52 miles with the optional 48V 5Ah second battery.
Lowest Price Guarantee
Authorized Eunorau Dealer
Optional Second Battery
1,000W Mid-Drive
0% APR Financing
Expert Support: (303) 876-7654
Why the SPECTER S 4.0
1,000W BAFANG G510 Mid-Drive
A 48V mid-drive with a thumb throttle and a BAFANG DP C018 display.
48V 17.5Ah LG Battery
Removable, with a 13S5P pack and a 30A BMS.
Full Suspension
A 140 mm EXPLORER fork and an AO-38RC rear shock with 50 mm of travel.
SRAM NX 11-Speed
A 1x11 drivetrain with an 11–42T cassette and a 40T chainring.
Four-Piston Hydraulic Brakes
HD-E620 brakes with 180 mm rotors front and rear.
Rack and Fenders
An aluminum rear rack, full aluminum fenders and an adjustable kickstand.
What's Included
What's In the Box
1 × Eunorau SPECTER S 4.0 electric bike
1 × 48V 17.5Ah battery
1 × Aluminum rear rack
Eunorau doesn't publish a full packing list. A 48V 5Ah second battery is an optional add-on.
SPECTER S 4.0 Options
Pick a color and frame size, then decide on the second battery.
Option
Choices
Color
Army Green or Moon Black
Frame size
16 in or 18 in
Second battery
None, or 48V 5Ah
Eunorau lists up to 52 miles of range with the second battery added.
Motor and Battery
Motor
BAFANG G510 mid-drive, 1,000W rated, 48V
Battery
48V 17.5Ah, LG 3500mAh cells (13S5P), removable
Optional Second Battery
48V 5Ah, LG 5000mAh 21700 cells, Type-C output
Range
Up to 40 miles; up to 52 miles with second battery
Top Speed
Up to 28 mph, default Class 2
Throttle
Thumb throttle
Display
BAFANG DP C018.CB
Drivetrain, Suspension and Brakes
Gearing
SRAM NX 1x11, 11–42T cassette, 40T chainring, 170 mm crank
Fork
EXPLORER, 140 mm travel, 36 mm stanchions
Rear Shock
AO-38RC, 190 mm eye-to-eye, 50 mm travel
Brakes
HD-E620 four-piston hydraulic, 180 mm rotors
Tires
Kenda K-1151 26 × 4.0 in
Cockpit
700 mm aluminum riser bar, 90 mm stem
Frame and Fit
Frame
6061 aluminum, full suspension
Weight
83.7 lb (38 kg)
Maximum Load
300 lb (136 kg)
Seat Tube
16 in: 406 mm; 18 in: 457 mm
Saddle Height
16 in: 490–610 mm; 18 in: 540–660 mm
Wheelbase
1,274 mm
Extras
Aluminum rear rack, full aluminum fenders, adjustable kickstand
Warranty
2-year limited
Authorized Eunorau Dealer
Renewable Outdoors is an authorized Eunorau dealer. Every order ships new, in factory packaging.
Lowest Price Guarantee
Find this Eunorau cheaper from another authorized dealer? Call (303) 876-7654 before you order.
Real Human Support
Questions about fit, setup or choosing a battery option? Call (303) 876-7654 before you order.
Eunorau SPECTER S 4.0 / Hunter X9 Electric Bike: Frequently Asked Questions
What's included?
The SPECTER S 4.0 bike with its main battery and aluminum rear rack. Eunorau doesn't publish a full packing list, so call (303) 876-7654 and we'll confirm what else ships with your order.
How far can it go?
Eunorau lists up to 40 miles (64 km) on the main battery, and up to 52 miles (83 km) with the optional 48V 5Ah second battery. It doesn't publish test conditions, so real range varies with terrain, rider weight and assist.
How fast is it, and what class is it?
Eunorau lists up to 28 mph and a default Class 2 setting. Call (303) 876-7654 if class matters for where you ride.
Which frame size should I choose?
The 16 in frame has a 406 mm seat tube and a 490 to 610 mm saddle height range. The 18 in frame has a 457 mm seat tube and a 540 to 660 mm range. Eunorau doesn't publish rider heights per frame, so call (303) 876-7654 and we'll help you choose.
What does the second battery add?
It's a 48V 5Ah pack with LG 21700 cells and a Type-C output, and Eunorau lists it as adding range. It's selected as an option when you order.
How much does it weigh?
Eunorau lists a net weight of 83.7 lb (38 kg) and a maximum load of 300 lb (136 kg), rider and cargo.
How long is the warranty?
Eunorau lists a 2-year limited warranty on the product page, stated for all of its electric vehicles. Coverage terms aren't published there, so call (303) 876-7654 and we'll confirm exactly what is covered before you order.
Where can I find the full specifications and manual?
Eunorau doesn't publish a complete spec sheet or a model-specific manual for this product, and some of its page figures disagree with each other, so we've left unconfirmed numbers off this page. Call (303) 876-7654 and we'll check the exact figures you care about before you order.
Do you offer financing or price matching?
Yes. We offer 0% APR financing through Affirm at checkout, and our Lowest Price Guarantee applies. If you find this Eunorau cheaper at another authorized dealer, call us at (303) 876-7654 before you order.
