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Luna Cycle Fat Cargo Bike Deluxe Frame Set

$80.00 (Fixed shipping cost)

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Product Description

  • Aluminum alloy construction except for forks which are steel.
  • Intricately welded front and rear racks.
  • Battery box designed to hold a big lithium battery safely.
  • Beefy drop outs designed for hub motors.
  • Light weight for such a substantial bike 
  • 25 pounds with everything pictured including battery box
  • Bare frame is 12 pounds
  • 100mm bottom bracket


This is a custom fat bike cargo bike designed from the ground up to be a bad ass electric bike. There are several mid drives that have been designed for this bike. Currently Lightning Rods is constructing a big block mid drive for this bike which will be available soon.

The key to this bike is its purpose built fat electric bike with the battery box built into the center of the frame. In this case, we designed this box to be gigantic so it has the capacity to hold a battery up to 1500 watt-hours, a battery we sell in our store. All the packs in our store will fit in this battery box.

With the battery in the center of the frame, mounted as low as possible, it acts as a ballast which keeps the bike better balanced. 

Look at this photo album for more photos of the Luna Cycle Fat bike assembled and in action. (click here to see photo album)

The rear rack is strong enough to carry an extra rider and can be fitted with a seat. 


The Luna Cycle Cargo Fat Bike has many custom parts including:

  • Gigantic battery box that is big enough to hold a 1500 watt-hour pack
  • Custom frame with many nice curves and bends
  • Mustache style  handle bars
  • Trellis style steel fork
  • Intricately welded front and rear racks
  • Custom made metal fenders

Frame set comes with the front forks assembled and headset tube installed with headset. 

This would be a perfect bike to swap out the parts on a cheaper quality fat bike and use all the components.

This is the ultimate Sonders Fat Ebike Upgrade Kit. Just take all the parts off the Sonders ebike and put them on the Luna Cycle and have plenty of room to upgrade with bigger batteries, more powerful motor etc.

Both the front axle and rear drop out were designed to withstand massive power although we highly recommend you use torque arms especially on the front axle for added safety. 

For those people who want to build a fat bike from scratch we have sourced all the components this bike needs (many fat bike parts are specialized) so that you can order the parts you need.

The only very specialized parts are the wheels and tires, and bottom bracket and everything else is pretty much standard.   You will need a longer rear brake cable because this is an extended frame. 

This bike is very intricate and does not pop right together, plan on taking at several hours to assemble. 

NOTE: Due to the complexity and size the frame can take a bit longer to ship, please be patient as we prepare it for shipment. 


Product Reviews

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  1. Black stallion

    Posted by Pip on Aug 10th 2016

    It has gone full circle. This is the frame that lead me to Luna cycle. Full discloser, I only have the frame, not the complete "delux" package. I purchased the bare frame when it went on sale couple months ago. Luna advertised them as having hanger rash and minor scuffs, mine came flawless.
    I discovered this same frame style in some international trade publications but I wasn't ready to buy in bulk and the sample cost was to expensive shipped. The frame was surprisingly light when I picked it up still in the bubble wrap. The frame has amizing geometry and seems to be very well put together. Very much a purposely built platform.

    I decided to build it with a Luna cyclone motor that I had already built onto a mongoose malus. I was planning to de-install it anyway due to flex issues and build some new mounts for the malus. I assume Luna cycle has built their mid drives for this frame onto the rear platform due to
    chain alignment issues. I mounted my cyclone in the "battery box" area and the Luna 60v triangle battery on the rear platform ( on top of some thick closed cell cushioning as suggested by Gary from Luna cycle to protect the battery cells from damage) that battery fits very nicely there! Once I got the cyclone all squared up I clamped it down with several plumbing hose clamps onto the tabs for the "battery box" this completely eliminated the flex issues, I am very pleased with this! There are so many options for mounting things with this frame. The 135mm bmx style rear drop outs are very beefy and also gives a lot of options.

    The stance and the rake of the bike is perfect for me at 6'1" yet even short folk who have ridden it haven't had any issues with the height of the bike. I'm currently running 26" wheels with 2.125 tires and a front Bafang clone. The bike is very nimble, very ergonomic and fast as hell! I plan to run it with a inexpensive but strong 3 speed hub, as there are some alignment issues if I shift gears. So for now I keep it in second gear and it rips!

  2. Frame kit

    Posted by jeff tillman on Mar 5th 2016

    Took almost a month. All attempts to contact ended with no response. Frame is nice and came straight. Forks and steer tube are a disaster painted over rust pitting. Have to blast and sand, prep, and paint. Frame wel! Ok. Fork welds not so good. Steer tube was pounded in with hammer had to remove and replace also rusted. The only reason for three stars is the frame itself is nice. The long ship time, no communication, and condition of forks merrit no stars. I would have refused shipment except for the $2000 in parts I have for this concept bike. Plus $1300 battery for it. The long ship and forks caused one missed show already. Now work hours ramped up so it will take longer.I hope this is a one time thing or it will cost them a customer who over time will spend thousands of dollars. Might not matter to them. My other dealings with them have been good, honest and fair.