Kingbull Voyager 2.0: Size Chart & Specs

About the Voyager 2.0

The Kingbull Voyager 2.0 is a UL 2849 certified fat-tire cargo e-bike designed to replace short car trips, with a step-through aluminum frame, a 450 lb total payload capacity, and a welded rear rack rated for 150 lbs. Powered by a torque-sensing 750W Bafang motor and a 720Wh Samsung battery, it delivers up to 60 miles of range per charge—or up to 100 miles with the optional dual-battery configuration. Front and rear baskets, integrated lighting, an electric horn, and passenger foot pegs ship as standard equipment.

Technical Specifications

Motor 750W Bafang Brushless Hub (85Nm), Torque Sensor
Battery 48V 15Ah Samsung (720Wh); Dual-Battery Option: 48V 30Ah (1,440Wh)
Range Up to 60 Miles (Single); Up to 100 Miles (Dual Battery)
Weight Capacity 450 lbs
Bike Weight 76 lbs

Pros

  • ✅ Class-leading 450 lb payload capacity with a 150 lb rear rack makes it viable for grocery hauls, family cargo runs, and small-business deliveries that most e-bikes cannot handle
  • ✅ Optional dual Samsung battery system extends range to 100 miles, eliminating range anxiety for longer utility trips or hilly routes
  • ✅ Full UL 2849 and UL 2271 safety certifications provide genuine fire and electrical safety reassurance rare in this price segment

Cons

  • ❌ The 20-inch wheel size and cargo-optimized geometry mean the Voyager 2.0 is not well-suited for trail riding or aggressive off-road use
  • ❌ At 76 lbs unloaded, the bike is challenging to lift onto a rack or carry up stairs, particularly when it cannot be ridden directly to the destination

Kingbull Voyager 2.0 Height Sizing Chart

Frame Size Rider Height (Imperial) Rider Height (Metric)
One Size 5’2″ – 6’6″ 157 cm – 198 cm

Frequently Asked Questions

Can the Voyager 2.0 safely carry two adults, and is the second passenger’s weight included in the 450 lb capacity?

The Voyager 2.0’s 450 lb total payload capacity encompasses the rider, any passengers, and all cargo combined. Kingbull includes rear foot pegs and a padded seat cushion for a second passenger. As long as the combined weight of rider, passenger, and any cargo does not exceed 450 lbs, the bike is structurally designed to handle it. Note that Kingbull specifies the bike is not designed for carrying children or pets in the cargo area specifically.

Is upgrading to the dual-battery Voyager 2.0 worth the extra cost, and how does the second battery integrate?

The dual-battery variant adds a second 48V 15Ah Samsung pack, effectively doubling the battery capacity to 1,440Wh and extending the range to approximately 100 miles. Both batteries are independently lockable and removable. The upgrade is most worthwhile for riders on long daily commutes, those in hilly areas where assist level drains the battery faster, or small-business users who need a full-day range without mid-route charging. The single-battery version is sufficient for most urban round trips under 40 miles.

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