The Liffshsy 1500W conversion kit is an aggressive way to give your fat tire bike a tremendous amount of Power. The focus of this kit is to produce torque and provide room for large fat tires, as opposed to providing refined performance as some smaller commuter kits do. Since it does not come equipped with a battery, however, the core parts of this kit still offer enough Power to get you through even the toughest terrain that other ebikes may struggle with.
This is made for people who ride in snow or sand and never worry about having to stop due to lack of Power.
If you are considering adding a lot of Power to a rugged fat tire setup, you might also consider this Liffshsy 26" 1500W Fat Tyre Conversion kit.
Technical specifications and quality of the build
The foundation of this system is a 1500 w brushless gearless hub motor designed specifically for 26 inch fat tire wheels. The motor incorporates multiple materials including aluminum, iron, copper and magnet steel to help dissipate the heat produced by high torque outputs. Due to being gearless, there are no internal planetary gears which can fail from excessive strain on heavy hills. The package includes a controller housing in a protective sleeve, an LCD meter, brake handles, PAS sensors and all mounting box wiring.
Please be aware that the battery is not included in the price. The buyer must obtain a high-quality 48 v battery to supply this motor. Compatible battery options are listed at /ebike-batteries/. The system has a 5 speed boost and a fixed speed cruise mode to assist users in managing their energy usage throughout longer trips.
Why a rear hub is preferred for fat tire conversions
Why rear hub placement is preferable in this case is because of weight distribution. The traction job is already handled by the fat rear tire in loose conditions. therefore, by placing the motor's weight directly over the contact patch where traction occurs, the drive digs into the surface instead of spinning around it. A front mounted motor on the same bike would compete with the rear wheel for traction and thus would lose traction as you gain speed.
Using a rear hub motor for a fat tire conversion is a strategy to create traction. In areas where the ground is very soft (like snow or sand), the weight of the rider and the motor sit right over the drive contact area. Thus creating a stable environment allowing the fat tire to dig into the surface. Conversely, a front motor tends to throw the front wheel off course in loose conditions.
Losing traction in deep snow leads to either stalling or sliding uncontrollably down hill. As such using a rear motor for fat tire applications enables greater control over stability on hills. Therefore this system is suitable for winter applications or off-road adventure vehicles. For a larger comparison of various systems and how they react in various situations see /ebike-conversion-kits/.
How much Power/speed does this system offer?
This kit produces over twice the amount of Power as most ebikes. Per manufacturers claim this system reaches speeds of 55 km/h which equates to approximately 34mph. Most jurisdictions in the united states limit ebikes classified as "class 3" at speeds up to 28mph. When building with components such as these, it is crucial for users to research local laws prior to utilizing this type of motor on public roadways.
The sheer Power output will enable easy climbs on extremely steep grade routes. However, the Power requirements needed for this type of operation require a battery that is able to deliver high currents. Running a weak battery will result in severe voltage drops when trying to reach full capacity. Although the motor runs with low audible noise (despite its massive Power output).
LCD meter and PAS sensor
The LCD meter measures speed, mileage, voltage and error codes in addition to displaying the five-speed booster and fixed-speed cruise modes. Since bigger motors draw Power quickly from weaker batteries, displaying voltage readings is especially important on a 1500W rear hub.
Displaying the information provided by an LCD meter is an enormous advantage at this price point. The display shows real time data on speed, mileage, voltage and possible fault codes. The display enables users to track their battery health and to select the desired amount of pedal-assistance via the five-speed booster.
The pedal-assist-system (PAS) sensor turns on the motor when pedaled. The PAS sensor adds a natural feel to the riding experience while helping to preserve battery life. The supplied wiring boxes and cable enable easier installation of the system although, due to quantity of cable involved, proper routing of the cable is essential to avoid snagging against the frame.
Reviews
Currently, there are few reviews available for this item. One reviewer gave it five stars and stated that he could install the framing perfectly for his application. Because there are only two reviews available, we cannot confirm whether the display and motor hold up for extended periods of time under stressful operation. We recommend approaching products with lower numbers of reviews with caution until additional input becomes available.
who should buy this kit?
Users who desire pure raw Power for riding off-road or in harsh weather conditions should choose this kit. Those who already own fat-tire bikes and wish to upgrade them into functional off-road bicycles should also purchase this kit. Casual riders who prefer lighter and simpler commuter conversions will not benefit from this kit. Buyers wishing to utilize 1500W of Power should first determine whether they have sufficient funds and storage for a 48V battery.
Before making your final decision another consideration is that you should understand that a rear-hub fat tire conversion is suited for turning beater mountain bike frames into serious snow, sand or beach machines where the existing fat tires are already taking care of traction issues and the 1500W rear-hub motor gives you ample torque to continue pushing through difficult terrain.
They do not fit well in piecemeal commuter builds since combining a high-Power system from separate battery and kit purchases can lead to connector mismatches and undersized batteries leading to problems.
Frequently asked questions
Does this kit include a battery?
No - battery not included. Buyer must purchase separate high-quality 48V battery to run motor.
What is the maximum speed?
Manufacturer claims top speed of 55 km/h but actual results will depend on rider weight and terrain conditions.
Can i use this kit on a standard bike?
Kit designed for 26-inch fat tire wheels only. frame must have sufficient clearance for tires up to four inches wide.
Is an LCD Display included?
Yes - includes an LCD Display for monitoring speed, mileage & faults plus five-speed booster control & fixed-speed cruise mode.
final decision: if you want to create a serious snow or sand machine that refuses to quit - the Liffshsy kit provides the raw Power required. only be sure to obtain a high-discharge 48-volt battery to accommodate the needs of this motor.
The conversion kit comparison table and the battery table list the alternatives.