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Murf Electric Bikes

The Alpha Cargo E-Bike | Class 2 Cargo

The Alpha Cargo E-Bike | Class 2 Cargo

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SKU: EB-AC-DS-RB

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Price: $2,595.00
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52 Volts. 400 Lb Payload. Bamboo Deck Luxury. The True Car Replacement.

The minivan is officially obsolete. The Alpha Cargo is Murf’s heavy-duty longtail hauler engineered to pilot your daily life—shuttling two kids to school, hauling a full week of groceries, or packing weekend camping gear with effortless composure. Built on a reinforced 6061 aircraft aluminum chassis with an integrated marine-grade bamboo cargo platform, bamboo-inlaid running footboards, and protective wheel skirt guards, this vessel combines California beach-cruiser styling with industrial utility. Powered by a high-torque 750W rear hub motor and an oversized 52V 20Ah (1,040Wh) Samsung lithium battery pack, The Alpha Cargo delivers instantaneous hill-climbing power under a massive 400 lb combined payload. Fitted with oversized Tektro 4-piston hydraulic disc brakes, Shimano 7-speed gearing, an integrated 1,080-lumen 6-LED off-road headlight, and puncture-resistant 26" × 4.0" Kenda fat tires. Built for families, daily utility haulers, and riders who refuse to compromise between commercial-grade strength and cruiser comfort.

Statutory Class 2 Low-Speed Electric Bicycle Notice: The Alpha Cargo is certified and configured strictly as a Class 2 electric bicycle (20 MPH throttle and pedal assist) under 15 U.S.C. § 2085, 16 CFR Part 1512, and Texas Transp. Code § 551.102. Class 2 classification grants full legal protection for throttle operation under heavy cargo loads on public roadways, designated bike lanes, and municipal trails—with zero driver's license, vehicle registration, or state inspection required.

Who's This For

Tired of burning gas in 30-minute school drop-off traffic, circling crowded parking lots, or feeling generic 48V cargo bikes bog down on neighborhood hills when loaded with kids and groceries? Want an ultra-stable longtail hauler with an accessible 19" low step-over frame, luxurious marine bamboo finishes, and 4-piston hydraulic brakes that stop 400 lbs on a dime?

What you can do:

  • Haul up to 400 lbs of combined rider, passenger, and cargo payload across daily school runs, errands, and weekend adventures
  • Transport up to two child passengers or one adult passenger comfortably on the integrated bamboo rear deck with dedicated footboards
  • Conquer steep residential hills fully loaded without stalling, backed by 52V high-voltage power and Shimano 7-speed mechanical gearing
  • Ride 30 to 50 miles per charge backed by 1,040Wh of premium Samsung 21700 lithium cells
  • Accelerate smoothly from dead stops at intersections using thumb throttle without putting excessive strain on your knees
  • Stop with authoritative control from 20 MPH using heavy-duty Tektro 4-piston hydraulic calipers on oversized 203mm rotors
  • Ride safely before dawn and after dusk with an integrated 1,080-lumen 6-LED off-road headlight and frame-integrated brake taillight
  • Float over broken asphalt, gravel, and coastal boardwalks with high-volume 26" × 4.0" Kenda fat tires
  • Step on and off effortlessly while holding a loaded bike upright thanks to the low 19" standover height
What This Cargo Bike Actually Solves

Suburban School-Run Traffic & Parking Gridlock

The Problem: The morning school run and grocery trips trap parents in 30-minute vehicle gridlock, idling away expensive gas, searching for scarce parking spots, and adding stress to daily family routines.

The Solution: The Alpha Cargo transforms chaotic short-distance errands into a breezy outdoor experience. The longtail chassis holds two kids or multiple grocery crates on a reinforced bamboo deck, bypassing traffic jams in bike lanes and pulling right up to the school gates or storefront with zero parking hassle.

Bogging Down on Hills Under Full 400 Lb Cargo Load

The Problem: Standard 48V cargo e-bikes with entry-level motors struggle on steep climbs when loaded with passengers and cargo, causing severe motor strain, voltage sag, and premature battery cutoff.

The Solution: The Alpha Cargo pairs a high-output 52V 20Ah (1,040Wh) Samsung battery system with a custom-tuned 750W hub motor and Shimano 7-speed mechanical drivetrain. The higher 52V operating voltage sustains peak torque through the entire discharge cycle, allowing you to downshift and climb neighborhood grades with steady momentum.

Inadequate Stopping Power & Instability on Heavy Cargo Descents

The Problem: Hauling 400 lbs downhill on standard 2-piston brakes or skinny commuter tires creates hazardous brake fade, shuddering calipers, long stopping distances, and dangerous instability.

The Solution: Tektro 4-piston hydraulic calipers clamp down on massive 203mm stainless steel rotors with motor safety inhibitors, providing smooth, predictable one-finger braking even at maximum payload capacity. Combined with wide 26" × 4.0" Kenda all-terrain fat tires, the bike remains firmly planted and balanced across rain, gravel, and uneven asphalt.

Real-World Riding Scenarios

The Two-Kid School Drop & Morning Grocery Run (7:50 AM)

7:50 AM. You load two kids onto the bamboo rear deck, secure backpacks in the optional front rack, and glide out the driveway. While morning traffic crawls bumper-to-bumper along the main boulevard, you cruise effortlessly in the protected bike lane at 18 MPH. The kids rest their feet comfortably on the integrated running boards, safely shielded by the rear wheel guards. You drop them at the school entrance in 8 minutes, pedal 1.5 miles to the grocery store, strap three bags to the rear rack, and return home with 80% battery to spare.

The Win: 25 total minutes of fun outdoor transit vs. 45 minutes of car idling, zero parking headaches, and zero dollars spent on gas.

The Weekend Farmer’s Market & Trail Picnic Haul (10:30 AM)

10:30 AM. Saturday morning. You pack a cooler, picnic blanket, and produce crates totaling 120 lbs onto the cargo platform. You head toward the city greenway trails. The 26" × 4.0" Kenda fat tires absorb pavement cracks, expansion joints, and crushed limestone path transitions with plush comfort. As you approach a steep bridge ramp, you downshift the Shimano 7-speed derailleur into gear 2 and apply light throttle. The 52V motor surges smoothly, powering the heavy load over the crest without a wobble.

The Win: Full vehicle utility on bike-friendly greenways, effortless heavy-load handling, and zero parking lot competition at crowded community events.

The Alpha Cargo vs. Standard 48V Cargo E-Bikes: What the Premium Delivers
Component / Capability Murf The Alpha Cargo ($2,595 — This Model) Typical 48V Cargo E-Bikes ($1,899–$2,199)
Battery Voltage & Capacity 52V 20Ah (1,040Wh Samsung Cells) 48V 14Ah–15Ah (672–720Wh Generic Cells)
Total Payload Capacity 400 Lbs Combined (Rider + Passengers + Cargo) 300–350 Lbs Maximum
Cargo Deck & Footboards Integrated Bamboo Deck + Bamboo Running Boards Standard Bare Metal Deck (Footboards Sold as Costly Add-Ons)
Braking Architecture Tektro 4-Piston Hydraulic (203mm Rotors) 2-Piston Mechanical or Entry 180mm Hydraulic
Drivetrain Versatility Shimano 7-Speed (Hill-Climbing Mechanical Leverage) Single-Speed or Unbranded 6-Speed
Headlight Output 1,080 Lumens (6-LED Integrated Off-Road Spec) 150–250 Lumens Basic Commuter Light
Safety Standards UL 2849 & UL 2271 Certified Complete System Uncertified or Battery-Only UL

Looking for complete engineering measurements, detailed component specs, unboxing contents, or statutory CPSC/UL compliance records? See the collapsible rows below.


The Alpha Cargo E-Bike | Class 2 Cargo

INDUSTRIAL RANGE & HILL-CLIMBING TORQUE

52V 20Ah Samsung Powerhouse (1,040Wh)

Hauling 400 lbs requires relentless electrical muscle. The Alpha Cargo features an internal down-tube 52V 20Ah battery pack built exclusively with genuine Samsung lithium-ion cells. Operating at 52 volts delivers significantly higher starting torque and eliminates the voltage drop common on 48V systems, ensuring strong acceleration on steep inclines and providing 30 to 50 miles of heavy-duty real-world range.

The Alpha Cargo E-Bike | Class 2 Cargo

400 LB PAYLOAD & BUILT-IN PASSENGER FOOTRESTS

Integrated Longtail Chassis & Marine Bamboo Deck

Unlike bolt-on cargo racks that flex under load, The Alpha Cargo's frame-integrated rear platform is engineered directly into the 6061 aircraft aluminum chassis. Topped with a weather-resistant marine-grade bamboo deck, bamboo-inlaid running boards, and protective wheel skirt guards, it comfortably carries two children or massive cargo totes with an ultra-low center of gravity.

The Alpha Cargo E-Bike | Class 2 Cargo

VEHICLE-GRADE STOPPING POWER & 100-YARD NIGHT VISIBILITY

Tektro 4-Piston Brakes & 1,080-Lumen Lighting

Safety is paramount when transporting precious cargo. Oversized Tektro 4-piston hydraulic disc calipers clamp onto massive 203mm rotors front and rear, providing fade-free, one-finger stopping power even at maximum 400 lb payload. Up front, a 1,080-lumen 6-LED off-road style headlight illuminates dark neighborhood streets up to 100 yards ahead, paired with an integrated deceleration brake taillight.

SPECIFICATIONS & COMPLIANCE

Know Before You Buy: Specs, Laws & Assembly

E-Bike Class Flexibility & CPSC Compliance

Statutory Classification & Street Legality

Federal Statutory Compliance (15 U.S.C. § 2085 & 16 CFR Part 1512): The Alpha Cargo is manufactured and tested as a low-speed electric bicycle. It complies strictly with federal motor wattage limitations (nominal 750W maximum) and bicycle consumer product safety standards established by the Consumer Product Safety Commission (CPSC).

Texas Transportation Code § 551.102: In the State of Texas, electric bicycles operating with operable pedals and motor output under 750W are legally classified as bicycles. The Alpha Cargo is permitted on public streets, designated bike paths, and multi-use greenways. No motor vehicle driver's license, annual safety inspection, license plate, or state registration is required.

Class 2 Legal Protection for Cargo Hauling: Configured strictly in street-legal Class 2 mode (20 MPH throttle and pedal assist). This grants full legal authorization to use throttle assist while hauling heavy cargo loads or starting on hills across municipal bike lanes and neighborhood streets.

Electrical Safety Certifications: Fully lab-certified to ANSI/CAN/UL 2849 (Standard for Electrical Systems for eBikes) and ANSI/CAN/UL 2271 (Standard for Batteries for Use in Light Electric Vehicles). Ensures complete fire, thermal, and electrical safety for home and garage charging.

Real-World Range & Battery Safety

Realistic 52V Range Expectations

Range is dictated by rider payload, wind resistance, assist level, and terrain. The massive 52V 20Ah (1,040Wh) Samsung battery pack delivers real-world performance across three distinct riding profiles:

  • Heavy Cargo & Two-Passenger Hauling (16–20 MPH, Level 4–5 Assist): 28 to 35 Miles. Ideal for morning school drop-offs and heavily loaded grocery runs on rolling terrain.
  • Mixed City & Suburban Errand Riding (14–18 MPH, Level 3 Assist): 35 to 45 Miles. Balanced daily utility with frequent stop-and-go intersections and light cargo.
  • Eco Leisure & Flat Trail Cruising (12–15 MPH, Level 1–2 Assist): 45 to 55+ Miles. Relaxed weekend trail cruising, steady pedaling, and maximum battery conservation.

Pro-Tip: Because the system operates at 52 volts rather than 48 volts, you will experience consistent hill-climbing acceleration even when the battery gauge drops below 30%.

Technical Specifications & Key Specs

Core Powertrain & Electronics

  • Motor: 750W Geared Rear Hub Motor (85Nm Torque)
  • Battery Pack: 52V 20Ah (1,040Wh) with Premium Samsung Lithium-Ion Cells
  • Top Speed: Class 2 (20 MPH Throttle and Pedal Assist)
  • Estimated Range: 30 to 50 Miles per Charge (depending on payload, terrain, and assist level)
  • Throttle: Right-Hand Thumb Throttle (active up to 20 MPH)
  • Pedal Assist: 5 Levels of Cadence Assist with smooth ramp-up curve
  • Display: Full-Color Backlit LCD with Integrated 5V USB Device Charging Port
  • Headlight: Integrated 1,080-Lumen 6-LED Off-Road Headlight (Frame-Powered)
  • Taillight: Integrated Rear LED Tail Light with Active Deceleration Brake Light

Chassis, Drivetrain & Components

  • Drivetrain: Shimano Tourney 7-Speed (11-34T Freewheel with Thumb Shifter)
  • Brakes: Tektro HD-E350 4-Piston Hydraulic Disc Calipers with Motor Safety Cutoffs
  • Rotors: 203mm Stainless Steel Front and Rear Disc Rotors
  • Tires: 26" x 4.0" Kenda All-Terrain Fat Tires with Puncture Protection Layer
  • Frame: Custom Hydroformed 6061 Aircraft Aluminum Longtail Cargo Chassis
  • Cargo Platform: Frame-Integrated Marine-Grade Bamboo Deck with Bamboo-Inlaid Running Boards
  • Limb Guards: Protective Rear Wheel Skirt Guards (Standard Equipment)
  • Weight: 85 lbs total curb weight (including battery)
  • Payload Capacity: 400 lbs maximum combined payload (rider + passengers + cargo)
  • Step-Over Height: 19" Low Standover Height for Easy Mounting
  • Rider Height Fit: 5'6" to 6'5" (Accommodates Wide Range of Family Riders)

What's Included in the Box

What's In The Box

  • 1x Murf The Alpha Cargo Electric Bicycle (85% pre-assembled)
  • 1x 52V 20Ah (1,040Wh) Samsung Lithium-Ion Battery Pack
  • 2x Battery Locking Keys
  • 1x 52V 3A Fast Smart Charger with UL-Listed 110V Wall Cable
  • 1x Ergonomic Multi-Tool Kit for Final Assembly and Field Maintenance
  • 1x Quick-Release Front Axle Skewer and Hardware Set
  • 1x Protective Rear Wheel Limb Skirt Guard Set (pre-installed)
  • 1x Official Murf Owner's Manual and Rider Safety Guide

Assembly & Setup Instructions

Partial Assembly Required: Your Alpha Cargo ships securely packaged in a heavy-duty carton. Minor assembly takes 30 to 40 minutes and includes mounting the front wheel, securing the handlebars and stem, threading the pedals, and checking brake caliper alignment.

Follow along with the official step-by-step setup walkthrough: Official Murf Setup & Riders Guide (YouTube). Every bike sold by Pathfinder Pedal includes our 2-Year Limited Electrical Warranty and direct San Antonio customer support.

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