CirQ Y1 PREMIER Review: Step-though Fat E-bike!


Greetings, fellow e-bike enthusiasts! Today marks an exciting day as we unveil the latest addition to the e-bike realm – the CirQ Y1 PREMIER E-Bike.

At the heart of the Y1 PREMIER is a powerful motor that delivers a surge of energy with every pedal stroke. Whether you’re soaring up hills or cruising down slopes, the e-bike’s power delivery ensures a seamless and exhilarating ride.


As we delve deeper into the capabilities, components, and performance of the CirQ Y1 PREMIER E-Bike, you’ll gain a comprehensive understanding of the excellence that this model brings to the table. Join us as we explore its intricacies, unveiling the full extent of its power, design, and capabilities.

So, buckle up and get ready to experience the thrill of the Y1 PREMIER – the e-bike that’s set to redefine off-road adventures. Your journey begins now.

FRAME6061 Aluminum Alloy
MOTOR750W Sustained
SPEEDUp to 20 MPH On Throttle. Up to 28 MPH On Pedal Assist
TIRES26" x 4" Reflective Puncture Resistant
SADDLESport Soft Comfortable
SPOKESStainless steel, 13G front, 12G rear
BATTERYRemovable Lithium-ion 52V 20Ah, 1040Wh, LG Cells, Weight 11 lbs
RANGEUp to 50 Miles on Throttle, Up to 80 Miles on Pedal Assist
BRAKESTektro Hydraulic Disc Brakes
WEIGHT80 lbs include Battery

Unboxing and Assembly

Upon receiving the CirQ Y1 PREMIER, the first thing you’ll notice is the sturdy and well-designed packaging. The box is specifically designed to protect the bike and its components during transit. It features the CirQ logo and a brief glimpse of the e-bike, building anticipation for the unboxing experience.

CirQ Y1 PREMIER Review: Unboxing and Assembly

As you open the box, you’ll find the e-bike components neatly organized and secured within custom-fitted compartments. The packaging is designed to ensure that each part arrives in pristine condition, ready for assembly.

Contents of the Box:

  1. Main Frame: The heart of the CirQ Y1 PREMIER, the main frame, is the foundation upon which the entire e-bike is built. It’s constructed with durable materials and precision engineering, promising both strength and aesthetics.
  2. Fat Tires: The e-bike’s standout feature is its 26×4 inch fat tires, designed to tackle various terrains with ease. These wide tires provide stability and grip, making your rides comfortable and enjoyable.
  3. Handlebar Assembly: The handlebar assembly includes the handlebars, grips, brake levers, and the control panel. The control panel allows you to adjust the e-bike’s power settings, monitor battery levels, and control other functions.
  4. Seat and Seat Post: The comfortable seat ensures that your rides are enjoyable, whether you’re commuting or exploring off-road trails. The adjustable seat post allows you to find the perfect riding position.
  5. Battery and Charger: The CirQ Y1 PREMIER is powered by a reliable lithium-ion battery. The package includes the battery and a compatible charger to keep you powered up for your adventures.
  6. Front Fork: The front fork is designed to absorb shocks and vibrations, enhancing your overall riding comfort. It contributes to the e-bike’s stability and control, particularly on uneven surfaces.
  7. Pedals and Cranks: The e-bike comes with durable pedals and cranks that provide a smooth and efficient pedaling experience, both when using electric assistance and riding manually.

Design and Build Quality

The CirQ Y1 PREMIER E-Bike boasts a thoughtfully designed structure coupled with a high level of build quality. Let’s take a closer look at its key design elements and the attention to detail that sets it apart.

CirQ Y1 PREMIER Review: Design and Build quality

Starting at the handlebar, the CirQ Y1 PREMIER features grips that exemplify quality. The grips are thin, yet ergonomic, offering a comfortable and secure hold. The intricate pattern on the grips adds both aesthetic appeal and enhanced grip texture. The hardware used to secure the grips underlines the attention paid to secure assembly.

The left-hand side of the handlebar hosts a compact console that offers essential information at a glance. With features like range, trip information, and stats, the console’s display is easily readable and provides a clear view of the e-bike’s performance parameters.

CirQ Y1 PREMIER Review: handlebars

The e-bike’s controls include a throttle conveniently placed on the left-hand side of the handlebar, enabling easy modulation of speed. The presence of nine levels of assist provides riders with a versatile range of power options, contributing to a customized riding experience. The integrated ring bell offers a touch of practicality and safety.

The Shimano shifter on the right-hand side ensures smooth and precise gear changes. Complementing the control system, the hydraulic disc brakes, the same as those seen on the Super 73, feature 180-millimeter rotors.

CirQ Y1 PREMIER Review: Design and Build quality

The frame design of the CirQ Y1 PREMIER showcases a balance of aesthetics and functionality. The frame’s front and rear triangle designs contribute to the e-bike’s visual appeal while also serving practical purposes, such as housing the battery and motor. Notably, the frame exhibits reinforced sections that not only enhance durability but also add a touch of elegance through their well-executed welds.

The controller’s positioning at the back of the frame ensures easy accessibility for potential upgrades or servicing. The frame accommodates Shimano components, including the impressive shifter, enhancing the overall riding experience.

CirQ Y1 PREMIER Review: Design and Build quality

The rear triangle design is strikingly sleek, resembling that of a road bike. Its triangular shape blends seamlessly into the e-bike’s overall structure. The front of the frame, reinforced for stability, complements the rear triangle and houses the massive battery securely.

Cables are neatly organized, following a well-structured path from the top to the bottom of the frame. The waterproof connectors emphasize the bike’s durability, providing reassurance in various weather conditions. The CirQ branding is tastefully integrated throughout the frame, adding a touch of brand identity.

CirQ Y1 PREMIER Review: display

The e-bike’s practicality extends to features such as a USB charging port located under the screen, offering riders a convenient way to charge their devices while on the go. The slim yet supportive seat from Vivo exemplifies both comfort and style, enhancing the overall riding experience.

The front fork, with approximately three inches of travel, features a preload adjustment for fine-tuning suspension preferences. While basic in design, the fork’s travel provides ample comfort during rides over uneven terrain. The absence of complicated adjustments keeps the fork user-friendly and straightforward.

CirQ Y1 PREMIER Review: display

The CirQ Y1 PREMIER E-Bike shines with its attention to detail, high-quality components, and thoughtful design. From the grips and controls to the frame’s reinforcement and integration, each element contributes to an impressive overall package that promises an exceptional riding experience. The e-bike’s design and build quality demonstrate a commitment to both aesthetics and functionality, making the CirQ Y1 PREMIER a compelling choice for riders seeking a premium fat tire e-bike.


The front light on the CirQ Y1 PREMIER, according to your observation, may not be as powerful as one might expect for a bike of its size. The illumination seems somewhat washed out and not concentrated enough. 

CirQ Y1 PREMIER Review: front light

Your comment suggests that the front light’s size may not match the bike’s proportions. A larger and more powerful front light would not only improve visibility but also enhance safety, especially when riding at higher speeds or in dimly lit areas.

In contrast, it appears that the rear light performs well in terms of brightness. A bright rear light is crucial for ensuring that other road users can see the e-bike from behind, enhancing safety during nighttime or low-light conditions.

CirQ Y1 PREMIER Review: rear light

However, it’s noted that the e-bike lacks an active rear brake light. Active brake lights, which illuminate when the brakes are applied, are valuable safety features, as they immediately signal to following vehicles and cyclists that the e-bike is slowing down or coming to a stop. The absence of this feature may be a consideration for riders prioritizing safety.

CirQ Y1 PREMIE: Performance and Riding test

The CirQ Y1 PREMIER E-Bike is equipped with a robust 750-watt motor that delivers impressive power to enhance your riding experience. This motor, capable of reaching peak power levels exceeding 1000 watts, provides exceptional performance across a range of scenarios.

CirQ Y1 PREMIER Review: Riding Test

Without any assistance engaged, the bike can be ridden manually, but the real thrill comes from engaging the nine levels of electric assistance. Riding without assist can feel lackluster, but activating the electric power elevates the experience considerably, making it a truly exhilarating ride.

The e-bike offers a range of nine levels of assist, allowing riders to fine-tune their riding experience to their preferences and the terrain. As you move up the assist levels, you’ll notice a gradual increase in torque and speed, making uphill climbs and acceleration smoother and more effortless.

CirQ Y1 PREMIER Review: motor

Out of the box, the CirQ Y1 PREMIER can reach speeds of 20 miles per hour. However, by reaching out to the company, riders can obtain a password to unlock the bike’s top speed to Class 3 e-bike standards, which is 28 miles per hour. The actual speed achieved depends on factors such as rider input, terrain, wind conditions, and fitness levels.

Each assist level offers a distinct power profile. The initial levels provide smooth and gradual acceleration, making them perfect for casual rides or conserving battery. As you progress to higher levels, the acceleration becomes more pronounced, delivering a powerful punch that can be especially exhilarating during quick bursts of speed.

CirQ Y1 PREMIER Review: Riding Test

The Y1 PREMIER excels in hill climbing, thanks to the combined efforts of the motor and the well-designed gearing system. Even in the fifth gear on the rear, the bike effortlessly conquers steep inclines. This is particularly impressive considering the bike’s weight and the challenging terrain.

Engaging the throttle alone from a standstill showcases the bike’s swift acceleration. The motor promptly propels the e-bike forward, making uphill starts and quick getaways smooth and enjoyable.

Battery and Range

The CirQ Y1 PREMIER E-Bike features a removable lithium-ion battery with a voltage of 52 volts and an impressive capacity of 20 amp-hours, equating to a remarkable 1041 watt-hours of energy. This battery is not only substantial in size but also contains LG cells, known for their reliability and longevity. Let’s delve into the battery’s capabilities and performance during testing.

CirQ Y1 PREMIER Review: battery

The 52V, 20Ah battery boasts an exceptional capacity that provides ample power for extended rides. The convenience of a removable battery adds to the practicality of the e-bike, enabling easy charging indoors and offering the flexibility to have a spare battery for longer adventures.

In a comprehensive test with a rider weight of 230 pounds, additional accessories, and video equipment on board, the CirQ Y1 PREMIER delivered an impressive performance. Riding consistently in the fifth level of assist until the battery was fully depleted, the e-bike covered an astounding 37 miles. 

CirQ Y1 PREMIER Review: charger

For riders venturing beyond urban areas, where fewer stops and reduced braking are factors, the e-bike’s range can be extended even further. Under such conditions, a range of 50 to 60 miles is feasible. However, it’s important to note that the final range is influenced by various variables including rider weight, weather conditions, terrain, and inclines. To replenish the battery’s energy, the e-bike includes a high-quality 58.8V, 3Ah fast charger. 


The CirQ Y1 PREMIER E-Bike offers strong value for its price point of $1699, delivering high performance and quality. The components boast excellent finishes, and the e-bike’s build quality is commendable. With its robust off-road capabilities, the e-bike is well-suited for outdoor activities such as camping, hunting, or exploring remote areas.

CirQ Y1 PREMIER Review: Riding Test

While the e-bike presents a compelling package, certain improvements are worth considering for enhanced safety and convenience. A more powerful front light, active rear brake light, and turning signals would be valuable additions, particularly for city riding.

One notable absence from the CirQ Y1 PREMIER is a horn and turning signals. These features are essential for ensuring rider safety and signaling intentions, especially when navigating urban environments or interacting with other road users.

CirQ Y1 PREMIER Review: Design and Build quality

The front light’s performance falls short of expectations, particularly for off-road or trail riding. A more powerful front light is necessary to match the bike’s high power delivery and speeds of around 30 miles per hour. Enhanced visibility is vital for both safety and a seamless riding experience.

The seat’s comfort level is suitable for rides of approximately 10 to 15 miles. For longer rides, riders may need to consider upgrading to a more comfortable seat to prevent discomfort or fatigue.

CirQ Y1 PREMIER Review: Riding Test

The e-bike’s pedal assist system is potent, particularly in the ninth level. However, riders may find a sweet spot for their effort and assistance in the fifth and sixth levels, striking a balance between pedaling and electric support to extend the e-bike’s range.

So, the CirQ Y1 PREMIER E-Bike offers an appealing blend of performance, quality, and versatility. However, potential buyers should assess their specific riding needs and preferences, considering the missing features and potential upgrades, to ensure a well-rounded and enjoyable riding experience. As the e-bike market evolves, addressing these considerations could make the CirQ Y1 PREMIER an even more competitive and compelling choice.

Thank you for joining us for this review, and we look forward to seeing you next time.


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