SPECTER S 4.0/Hunter X9
Power the Climb. Control the Descent.
A 1000W BAFANG mid-drive motor, 140mm front suspension, and 26 × 4.0-inch fat tires come together in a full-suspension platform built for changing terrain. Add an SRAM NX 11-speed drivetrain and four-piston hydraulic brakes, and the SPECTER-S 4.0 is ready for confident exploration beyond smooth pavement.
1000W MID-DRIVE POWER
Power Through the Gears
The 1000W BAFANG G510 mid-drive motor sends power through the bike’s drivetrain. Instead of driving one wheel directly, the motor can work with the selected gear, giving the rider more control over how power is delivered as the terrain changes.
Mounted near the center of the bike, the drive unit also keeps the main source of motor weight close to the frame’s center.
- 48V / 1,000W BAFANG G510 mid-drive system
- Power delivered through the 11-speed drivetrain
- Thumb throttle for additional motor control
LONG-TRAVEL FULL SUSPENSION
More Control When the Ground Gets Rough
The EXPLORER suspension fork provides 140mm of front travel, while the AO-38RC rear shock adds 50mm of rear suspension travel. Together, they help the wheels follow uneven terrain and reduce the impact transferred to the rider.
The result is a more composed ride across broken pavement, gravel, trail surfaces, and repeated bumps.
- 140mm front suspension travel
- AO-38RC rear shock
- 190mm eye-to-eye shock length with 50mm travel
SRAM NX 11-SPEED CONTROL
Choose the Gear Before the Terrain Chooses for You
The SRAM NX 1 × 11 drivetrain combines an NX trigger shifter, long-cage rear derailleur, and PG-1130 11–42T cassette. The wide gear range helps riders prepare for climbs, settle into a cruising cadence, and respond to changing gradients.
A motor cut-off shift sensor briefly interrupts motor assistance during gear changes, helping reduce drivetrain load while shifting.
- SRAM NX 1 × 11-speed drivetrain
- SRAM PG-1130 11–42T cassette
- KMC e11 Sport chain
ENERGY FOR THE MID-DRIVE
48V 17.5Ah Removable Battery
The removable downtube battery uses LG cells. A lockable battery mount helps secure it to the frame, while the removable design gives riders more flexibility when charging or storing the battery.
The included battery delivers up to 40 miles of estimated range. For longer adventures, add an optional second battery and extend the combined riding range up to 52 miles.
- 17.5Ah — Main Battery Capacity
- LG Cells — Reliable Battery Performance
- Removable — Lockable Downtube Design
- Range — Up to 40 miles
SPECIFICATION
Dimensions & Rider Fit
16/18-INCH FRAME • 26 × 4.0 PLATFORM
Know the Platform Before You Choose
The SPECTER-S 4.0 is built around a 16/18-inch full-suspension frame and 26-inch fat-tire platform. A 700mm handlebar, 90mm stem, and 170mm crank define the main rider contact dimensions.
Publish a recommended rider-height range only after the complete geometry chart and fit guidance have been confirmed.
- Frame size: 16/18in
- Wheel size: 26 × 4.0 in
- Handlebar width: 700mm
- Stem length: 90mm
- Crank length: 170mm
GOOD TO KNOW
Frequently Asked Questions
What is the advantage of the mid-drive motor?
The BAFANG G510 motor delivers power through the bike’s drivetrain, allowing the motor to work with the selected gear. This gives the rider more control over power delivery as terrain and gradients change.
How much suspension travel does the bike have?
The EXPLORER front fork provides 140mm of travel. The AO-38RC rear shock has 50mm of travel and a 190mm eye-to-eye length.
Is the main battery removable?
Yes. The 48V 17.5Ah battery uses a lockable, removable downtube design, allowing it to be removed for charging or storage.
Is the 48V 5Ah secondary battery included?
No. The 48V 5Ah secondary battery is an optional configuration and is included only when that option is specifically offered and selected.