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EUNORAU E-BIKE US

SPECTER-ST 2.0

SPECTER-ST 2.0

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SKU: SPECTER-ST-BK2

Regular price
Price: $2,999.00
Regular price
List Price: $3,799.00
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Price: $2,999.00
You Save: $800.00 (21%)
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The Apex Predator. Comfort Edition.

This is the flagship touring machine. You get the legendary Bafang Ultra (M620) mid-drive motor delivering 160Nm of torque, premium full suspension, and a step-through frame that makes mounting effortless. 27.5" plus tires roll faster than fat tires while maintaining all-terrain capability. Torque-sensing intelligence reads your pedal pressure instantly. Conquer commutes. Dominate gravel. Tour in comfort. Premium components. No apologies.


2. KEY SPECS
Icon Specification
Class: Unrestricted (Off-Road Capable)
🔋 Motor: 1000W Bafang Ultra Mid-Drive (M620)
📈 Torque: 160Nm (Class-Leading)
🔌 Battery: 48V 17.5Ah + Optional Dual
🛣️ Range: 60–80+ Miles (Estimated, Dual Battery)
🛞 Tires: 27.5" x 3.0" Plus
🛤️ Suspension: Full (140mm Inverted Fork + 50mm Rear)
🛑 Brakes: 4-Piston Hydraulic Disc
⚙️ Drive: SRAM NX 11-Speed
⚖️ Weight: 88 lbs
Torque Sensor + Throttle

3. WHO'S THIS FOR

You want flagship power without compromising accessibility or comfort. You value step-through convenience for daily commuting but refuse to sacrifice performance. You tackle San Antonio's hill country commutes, weekend gravel adventures, and long-distance touring with equal confidence.

What you can do:

  • Mount and dismount effortlessly with step-through frame design
  • Tackle steep climbs—160Nm torque handles 30%+ grades confidently
  • Ride smooth on rough roads with full front/rear suspension
  • Go remote with 60–80+ miles estimated range (dual battery option)
  • Roll fast on gravel and pavement with 27.5" x 3.0" plus tires
  • Stop safely on steep descents with 4-piston hydraulic brakes

4. TECHNICAL SPECIFICATIONS THAT MATTER
Specification Detail Why It Matters
Motor Bafang Ultra (M620) Mid-Drive, 1000W Nominal, 160Nm Torque The "Holy Grail" of e-bike motors—torque sensor multiplies your pedaling effort instantly; feels telepathic; climbs grades that shut down other e-bikes; used in premium mountain bikes worldwide
Battery 48V 17.5Ah (Samsung/LG Cells) + Optional Dual Setup Main battery delivers 60+ miles estimated range mixed terrain; dual-battery configuration pushes range over 80 miles for extended touring or commercial use
Suspension Full Suspension (140mm Inverted Fork + DNM Rear Shock, 50mm Travel) Most touring bikes sacrifice comfort—this one flows; rear linkage keeps wheel planted for traction on gravel climbs; absorbs punishment on rough pavement; comfort for all-day rides
Brakes 4-Piston Hydraulic Disc (180mm Rotors) With 1000W motor capability, serious stopping power is essential; four-piston calipers grab hard and don't fade on long descents; critical for safety at speed
Drivetrain SRAM NX 11-Speed (11-42T Cassette) Wide-range gearing handles steep climbs and high-speed cruising; robust construction withstands the Ultra motor's massive torque output
Tires 27.5" x 3.0" Plus Faster rolling than fat tires; more agile handling; cushioned ride quality for long-distance comfort; sufficient width for gravel and light trail use
Frame 6061 Aluminum Full Suspension (Step-Through) Engineering-grade geometry; stiff laterally for power transfer; compliant vertically for comfort; step-through design maximizes accessibility without sacrificing strength
Handlebar Adjustable Stem Customize riding position for maximum comfort on long tours; accommodates different rider heights and preferences
Display BAFANG DPC18 (CAN Protocol) Real-time power output, battery status, trip data; programmable motor settings for custom riding profiles; full diagnostics access
Weight Capacity 300 lbs (Rider + Cargo) Robust payload for adult rider plus touring gear, panniers, or commuting essentials
Charge Time 5–8 Hours Overnight charge for next-day readiness; removable battery charges anywhere
Safety Testing UL 2849 & 2271 Tested Entire electrical system independently tested; battery meets fire safety standards for indoor charging
Warranty 2-Year Electrical / 5-Year Frame Extended coverage for motor, battery, controller, display, and full-suspension frame

5. FROM PROBLEM TO SOLUTION

The Climbing Crisis

The Problem: Hill grades over 20% destroy hub motors. Battery drains fast. Riders strain. Bikes overheat.

The Solution: ✓ 160Nm mid-drive torque climbs 30%+ grades confidently
✓ Torque sensor reads pedal pressure—power delivery feels natural, not robotic
✓ 11-speed SRAM gearing provides mechanical advantage when you need it
✓ Motor positioned at cranks (not wheel) = optimal weight distribution for climbing


The Range Problem

The Problem: Long commutes and touring trips drain batteries fast. Anxiety about reaching your destination limits adventure.

The Solution: ✓ Standard 17.5Ah battery delivers 60+ miles estimated range mixed terrain
✓ Dual-battery setup extends range to 80+ miles for extended tours
✓ Removable batteries charge at home, office, or hotel
✓ Energy-efficient mid-drive motor conserves power compared to hub motors


The Comfort Challenge

The Problem: Long rides cause back pain, numb hands, and fatigue. Step-over frames require awkward mounting in work clothes.

The Solution: ✓ Step-through design allows mounting in any outfit without awkward leg throw
✓ Full suspension (front + rear) absorbs pavement cracks, potholes, rough gravel
✓ Adjustable stem customizes fit for your body and riding style
✓ 27.5" plus tires provide cushioned ride quality without fat-tire bulk


6. REAL-WORLD SCENARIOS

The Hill Country Commuter

You live in the hills west of San Antonio. Real hills. The kind that make normal e-bikes cry. The Specter-ST flattens them. You ride to work in comfort (thanks to the step-through frame and full suspension), pass the traffic on I-10 frontage, and arrive without breaking a sweat. After work, you detour through Government Canyon for 10 miles of gravel therapy. It's not a bike ride; it's a lifestyle upgrade.

The Win: Car-replacement capability + adventure-ready versatility + premium comfort for demanding commuters.


The Weekend Tourer

Saturday morning: 60-mile loop through Texas Hill Country. The Specter-ST's full suspension eats washboard gravel. The torque sensor delivers responsive power on climbs. You stop for barbecue in Luckenbach, still have 40% battery remaining. Sunday: Repeat with a different route. The adjustable stem means zero back pain after 120 weekend miles.

The Win: Extended touring range + premium comfort + accessibility for serious distance riders.


7. WHAT'S INCLUDED

Assembly State: 90% Pre-Assembled
Assembly Time: ~60 Minutes
Tools Required: Basic hex keys (included)

Component Status
Full Suspension Step-Through Frame ✓ Assembled
48V 17.5Ah Battery ✓ Installed & Charged
Bafang Ultra (M620) Motor ✓ Pre-installed
Smart Charger (2A) ✓ Included
SRAM NX 11-Speed Drivetrain ✓ Pre-installed
4-Piston Hydraulic Brakes ✓ Pre-installed & Bled
DNM Rear Shock ✓ Pre-installed
Inverted Suspension Fork (140mm) ✓ Pre-installed
Adjustable Stem ✓ Pre-installed
Integrated LED Lights (Front + Rear) ✓ Pre-wired
27.5" x 3.0" Plus Tires ✓ Mounted
Tool Kit ✓ Included
Owner's Manual ✓ Printed + Digital PDF

8. COMPATIBLE WITH

Assembly & Maintenance Resources

Assembly Guide: [Assembly video coming soon—final handlebar alignment, pedal installation, suspension setup]

Approved Accessories

Range Extension:

  • [Secondary Battery Kit (48V 17.5Ah)] — Double range to 80+ miles; hot-swappable system

Storage & Cargo:

  • [Front Basket (Head-Tube Mount)] — Balanced weight distribution for heavy front loads
  • [Large Rear Rack Basket] — Touring gear, camping equipment, groceries
  • [Pannier Bag Set] — Waterproof; side-mount for touring capacity

Comfort & Performance:

  • [Suspension Seatpost] — Additional comfort for long-distance rides
  • [Premium Grips] — Ergonomic lock-on grips for extended comfort

Security:


9. WARRANTY, RETURNS & SHIPPING

Warranty Coverage

2-Year Warranty on all electrical components (motor, battery, controller, display) against manufacturer defects.
5-Year Frame Warranty on aluminum full-suspension frame.

For complete warranty details, exclusions, and claim procedures, review our Warranty & Purchase Agreement Policy.


Returns & Refunds

We want you to love your flagship. If it's not the right fit, we've got you covered.

Note: Restocking fees may apply for premium full-suspension models due to freight shipping costs.

For return windows, damage reporting procedures, and refund policies, see our full Return & Refund Policy.


Shipping & Delivery

Shipping Cost: Free Shipping (Continental US)
Processing Time: 1–3 Business Days
Delivery Method: Freight Shipping
Delivery Window: 7–14 Business Days
Assembly Required: ~60 Minutes (90% Pre-Assembled)

Important: This is a premium full-suspension model. Ensure adequate space for curbside delivery and transport indoors.

For detailed shipping timelines, tracking, and international options, visit our Shipping & Delivery Policy.


Support

Questions about your order, warranty claim, or technical support?
Reach our team directly via our Contact Page.


FAQ

Price Match Guarantee

Price Guarantee

Our Price Guarantee protects you on every Murf purchase.

We work hard to ensure competitive pricing on all Murf models. If you find the same Murf bike at a lower price within 90 days of your purchase, let us know—and we'll refund the difference.

To request a refund:
Email us a link to the lower-priced product within 90 days of your order, and we'll process the credit within 5 business days.

Our Price Guarantee has these limitations:

  • You must purchase from Pathfinder Pedal first
  • Promotions (rebates, BOGO, flash sales) don't qualify
  • Item must be in stock at competitor
  • Competitor must be an authorized Murf online only retailer (no eBay, Overstock, or auction sites)
  • Price match covers item + shipping, excludes sales tax
  • Applies within 90 days of purchase

Are Murf bikes legal in Texas?

All Murf models are UL-certified and operate as legal Class 2 or Class 3 e-bikes on Texas roads; check local trail restrictions.

What warranty and support does Murf provide?

2-year electrical warranty (motor, battery, display, lights) with Murf direct support or local bike shop mechanical service available.

Questions & Answers

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