Most 29-inch ebike conversion kits on Amazon top out at 1000W and still ask you to buy a separate controller and display. The GOSHET 2000W rear wheel hub conversion kit takes a different approach. You get a 72V 2000W brushless motor, a multifunction LCD, a 40A controller, pedal assist sensor, throttle, cruise control, and a 7-speed freewheel all in one box. The only thing you need to add is a 72V battery. It also comes laced into a 29-inch aluminum rim so you can swap it directly onto a mountain bike or hybrid frame without building a wheel from scratch.
Power, Performance, and Ride Quality
The motor is a 2000W brushless direct-drive hub with a toothless design. That toothless setup makes it run quieter than older brushed motors and reduces mechanical drag when you coast. The 72V system spins the motor at 560 rpm, which translates to serious top-end speed on a 29-inch wheel. We are talking well over 30 mph depending on your battery and controller settings. Most pre-built ebikes cap out at 750W or 1000W. This kit gives you more than double that for a fraction of what a complete 2000W ebike would cost.
Torque is rated at 60 Nm. That is not earth-shattering compared to mid-drive kits that push 120 Nm or more, but it is respectable for a direct-drive hub motor. Direct-drive hubs trade low-end grunt for high-speed efficiency and durability. They have no internal gears to strip or wear out, which makes them nearly maintenance-free. The motor casing also provides some regenerative braking capability if your controller supports it.
On the road, the GOSHET kit delivers exactly what the spec sheet promises. The 2000W motor pulls hard from a stop and accelerates smoothly up to cruising speed. The 7-speed freewheel gives you a usable gear range for hills and headwinds. Direct-drive motors have a slight resistance when coasting unpowered, but the toothless design helps reduce that drag compared to older hub motors.
The cruise control is a nice feature for longer rides. You set your speed with the throttle, engage cruise, and the controller holds that speed until you tap the brake or twist the throttle again. This takes the strain off your throttle hand on extended stretches of road.
Reviewers on Amazon point out that the kit feels noticeably faster than 1500W kits they have tried before. The extra 500W of peak power makes a difference on uphill sections and when accelerating from a standstill. One reviewer noted the kit hit 35 mph on flat ground with a fully charged 72V battery, which lines up with the motor's 560 rpm rating on a 29-inch wheel.
The downsides are what you would expect from a budget direct-drive hub kit. The motor is heavy. You are adding around 12-15 pounds to the rear wheel. This affects handling, especially on loose terrain. The wheel does not accelerate or brake as eagerly as a lighter setup. The weight also shifts the bike's balance rearward, so the front end can feel light at speed. Dropping your seatpost or leaning forward helps, but it is something to be aware of.
You will want a battery that can keep up with the 2000W draw. A standard 72V battery with at least a 30A BMS is the minimum. Go higher if you plan to run wide-open throttle for extended periods. The controller included with this kit is rated for 40A, so the full potential of the motor is there if your battery can feed it. Check out our ebike battery comparison table to find compatible 72V batteries.
Kit Contents and Features
Here is what comes in the box:
- 2000W rear hub motor laced into a 29-inch aluminum rim with stainless steel spokes
- 72V 40A controller in a padded bag
- Multifunction LCD display panel
- Twist or thumb throttle (depending on version)
- Pedal assist sensor with magnetic disc
- 7-speed freewheel installed on the motor
- Brake levers with motor cutoff switches
- Wiring harness with waterproof connectors
- Cruise control module
- User manual
The aluminum rim is a nice touch. Many budget kits ship with cheap steel rims that add unnecessary weight and corrode over time. The aluminum rim keeps the wheel lighter and resists rust. The spokes are stainless steel, which is another upgrade over the generic galvanized spokes some competitors use.
The controller comes in a padded nylon bag that straps to the frame. It fits a standard triangular frame space but may be tight on smaller frames. The wiring uses weather-resistant connectors and the harness is long enough to route cleanly along the downtube and chainstay.
The LCD display mounts on your handlebars and shows current speed, max speed, trip distance, total odometer, battery voltage, and error codes. That last one is more useful than you might think. If something goes wrong with the wiring or controller, the display spits out a diagnostic code so you can narrow down the issue without guessing. The display also controls the pedal assist levels. You get multiple PAS levels so you can dial in how much help the motor gives you while pedaling. The included thumb throttle lets you bypass pedaling entirely when you just want to cruise.
Amazon reviewers consistently mention the display as a strong point. The interface is straightforward and the readouts are easy to see in direct sunlight. A few users note that the button layout takes some getting used to, but once you learn which button does what, it becomes second nature.
Installation and Compatibility
The rear dropout spacing is 135mm, which fits most modern mountain bikes, hybrids, and commuter bikes. Older road bikes with 130mm spacing may require some spreading of the dropouts or switching to a different axle setup. The 29-inch wheel diameter is a perfect match for 29er mountain bikes and 700C road or hybrid frames.
You will need basic bike tools to install this kit. A wrench set, Allen keys, and a tire lever are the essentials. The hub motor axle has flats for 10mm or 12mm wrench depending on the version. The torque arm included with the kit is important. Do not skip it. A 2000W hub motor applies a lot of rotational force to the dropout. Without a torque arm, you risk spinning the axle and damaging the frame.
The pedal assist sensor installs on the left side of the bottom bracket. It uses a magnetic disc that rotates with the crank arm. The sensor reads the magnet passing by and signals the controller. Installation is straightforward but requires aligning the sensor ring so it does not rub against the crank arm.
Reviewers mention that the instructions are basic but workable. If you have installed a hub motor kit before, this one will feel familiar. If it is your first time, there are plenty of YouTube tutorials that walk through the process step by step.
One common complaint from Amazon reviewers is that the wiring is not labeled clearly. The colors match standard ebike wire colors (red for power, black for ground, green/yellow/blue for motor phase, thin wires for the display and sensors), but the manual does not spell this out well. If you are comfortable with basic wiring, it is not a problem. If you are not, pay close attention to the connector shapes. Most connectors only fit one way.
Who Should Buy This Kit
This kit makes sense for a few types of riders.
First, the budget-conscious builder who wants maximum power for the least money. You are not paying for a brand name or fancy torque sensors. You are paying for raw wattage and a complete package that works out of the box.
Second, the commuter who wants to turn a 29-inch mountain bike into a daily rider. At 2000W with cruise control and pedal assist, you can keep up with traffic on most surface streets and handle moderate hills without breaking a sweat.
Third, the DIY rider who is comfortable with basic bike maintenance and wiring. The installation is not complicated, but it does require paying attention to detail. If you have built a bike before, you can handle this.
This kit is probably not the right choice if you want a lightweight, nimble setup for singletrack trail riding. The rear hub weight changes the bike's character. A mid-drive kit with a torque sensor would give you better handling and a more natural pedal feel off-road.
The kit does not include a battery. You need a separate 72V lithium-ion pack. Budget for at least a 72V 20Ah battery, which costs roughly as much as the kit itself. A 72V 20Ah pack gives you around 1440 Wh of capacity. Real-world range depends on how aggressively you ride, but expect 20-35 miles with moderate throttle use. Make sure the battery uses the same connector type as the controller. Most 72V batteries ship with XT90 or Anderson Powerpole connectors. The GOSHET controller typically uses bullet or Anderson connectors. You may need to solder or crimp an adapter.
What Reviewers Say
Amazon reviewers give the GOSHET 2000W kit a mixed but generally positive rating. The main praise centers on value. Users consistently say you get a lot of power for the money. Several reviewers upgraded from 1000W or 1500W kits and report a noticeable improvement in acceleration and top speed.
The criticisms are worth noting. Some reviewers received units with minor cosmetic damage in shipping. A few report that the controller bag stitching came loose after a few weeks of riding in wet conditions. Others mention that the instructions are sparse and would be hard to follow for a first-time installer.
One reviewer pointed out that the throttle is on the sensitive side and takes some practice to modulate smoothly at low speeds. This is a common trait with direct-drive hub motors and 40A controllers. The power hits quickly when you twist the throttle. Take it easy in tight spaces until you get a feel for it.
Overall, the feedback from buyers who completed the installation is overwhelmingly positive. The complaints mostly come from issues that are common to budget conversion kits: missing or unclear instructions, minor fitment quirks, and the added cost of a battery.
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Frequently Asked Questions
What size wheel does this kit fit?
The kit comes laced into a 29-inch aluminum rim. It fits 29-inch mountain bike wheels and 700C road or hybrid wheels. The motor has a standard 135mm rear dropout spacing.
Does the kit include a battery?
No. The kit includes the motor wheel, controller, display, throttle, PAS sensor, brake levers, and wiring. You need a separate 72V battery. Factor that into your total budget.
What speed can I expect?
With a fully charged 72V battery, riders report speeds of 30-35 mph on flat ground. Actual speed depends on your weight, tire pressure, wind conditions, and battery voltage under load.
Is the 72V system legal?
This varies by location. In the US, federal ebike regulations cap power at 750W and assisted speed at 28 mph. This kit exceeds both limits. It is intended for off-road use or private property. Check your local laws before building.
How hard is the installation?
It is a moderate difficulty install. If you have basic bike mechanic skills and can follow wiring diagrams, expect 2-4 hours. If you have never worked on a bike before, plan for a full afternoon and watch some YouTube guides first.
What battery connector does the controller use?
The controller typically uses Anderson Powerpole or bullet connectors. Your battery should match. If they do not match, you can solder an adapter or swap connectors. Many ebike battery sellers offer custom connector options at checkout.
Does the motor have regenerative braking?
The motor is physically capable of regen braking if the controller supports it. The included 72V controller may or may not have regen enabled by default. Check the controller documentation or test by rolling the bike backward with the system powered on.
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For more ebike conversion guides and product reviews, visit our blog and ebike battery comparison table.