Free Your Shoulder without A Rear Rack
Transition to Walking in 10 Seconds
Waterproof and Heavy Load Design





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Hassle-free returns on items in original packaging — opening to inspect is fine.
Freedom is what we pursue. Compromise is not an option.
The world’s only quick-release cycling backpack that mounts to your bike without a rear rack.
It shifts the load from your back to your bike while riding — and detaches instantly when you’re off.
Instantly Switch Between Two Modes
Compatible with round seatposts (25mm–35mm).
Non-round seatposts (such as aero seatposts) require additional functional accessories.
Dual-rail saddle+Sufficient installation space
No, this backpack uses a unique Penta-lock five-point system. Once installed, it’s completely secure even on bumpy roads at high speed. For most daily use, the three-point lock is already stable enough.
No, this backpack is designed for stability. It stays securely on the bike, hugs the rider’s body, aligns with the center of gravity, and is barely noticeable while riding. Even fully loaded, it doesn’t affect stability, ensuring safe riding.
The backpack’s standard maximum load is 15 kg, suitable for daily use. In static extreme tests, it has successfully supported over 80 kg.
Yes, the backpack uses water-repellent fabric with an IPX5 rating and comes with a dedicated rain cover for extra protection. We are also developing a fully waterproof version for extreme conditions.
Installation only needs to be done once and takes about 10–20 minutes. A user guide and toolkit are included, so no additional tools are required.
Mounting the backpack on the bike takes about 10 seconds, and removing it takes less than 10 seconds. It’s quick, easy, and effortless.
Yes, it is compatible, but our dedicated non-round seatpost accessory is required and sold separately. It is compatible with most non-round seatposts. Please refer to the non-round seatpost accessory product page for details.
When using the EasiCyco backpack, since it occupies space behind the saddle, we recommend the front-straddle method for easy mounting and dismounting. You can refer to the tutorial for guidance.
The backpack has a dedicated laptop compartment measuring 39×27×1.5 cm, fitting standard 16-inch laptops. The compartment also features thick padding and scratch-resistant velvet lining.
1. Yes, it is compatible with carbon seatposts. Please ensure that the tightening torque does not exceed 4 Nm when installing seatpost-mounted accessories. When used as intended and within the recommended load limits, it is designed to operate safely with carbon seatposts.
Yes, it can be removed. When the floating function is not needed, the internal support system can be easily taken out from the bottom of the backpack, allowing it to be used as a regular backpack.
It only adds a minimal amount of weight—approximately 140g. We also include protective pads with the accessories to help prevent scratches on your bike.
Not at all. Our product is designed based on installation clearance rather than rider height. When installing, simply ensure there is about 1.5 inches of space between the tire and the bottom of the backpack.
Yes, it is compatible with different shapes of aero seatposts. However, we recommend using our dedicated adapter for non-round seatposts. Without it, there may be a slight reduction in stability compared to round posts, but it will not affect overall riding control.
If a fixed rear light is already installed on the seatpost, there is indeed a possibility that it may be partially blocked by the bag. To address this, we have designed a dedicated webbing strap on the lower front of the bag for attaching a rear light.
We recommend using a quick-release rear light, or alternatively, keeping an additional light mounted on the bag itself to ensure visibility and safety during night riding.
Multi-Purpose Backpack
Designed with multiple compartments and well-organized storage spaces, this backpack is ideal for users who value organization. Whether for daily commuting or travel, it helps keep all your belongings neatly arranged and easy to access.
Roll-Top Backpack
Featuring a stylish roll-top design, this backpack offers a larger overall capacity, making it perfect for carrying bulkier items or longer trips. Compared to the multi-purpose version, it has fewer compartments and focuses more on flexible, open storage space.
For more details, please refer to the Key Features section.
We use a two-stage adjustable extension design, allowing flexible length adjustment to fit different saddle positions.
Love this product! Had a small defect on one of the bars that slides out and hooks to the seat post. Company sent out a replacement. This is my second backpack from them.
Great idea but makes bicycle unstable it wobbles from side to side even with all the attachments connected to it.
Thank you very much for your feedback. Real user experiences are very valuable to us.
Some movement is normal because our backpack uses a combination of rigid and flexible connections. The fabric material also allows slight movement of the items inside. This is more noticeable when pushing or shaking the bike, but during normal riding, the impact on handling is much smaller.
We have tested different loads and compared it with traditional rear bags, and many riders found that the suspended design provides a better riding experience. You can also check our Sea Otter Classic interview video on our social media.
Of course, every rider and bike setup is different. We’re sorry if this caused any inconvenience. We recommend trying it with different loads and road conditions, then sharing your experience with us. We’ll do our best to help. 🙏
This is the best thing I've bought in a while. The mount is super strong, no wobbling or anything, and the backpack itself is huge and really comfy to wear. If I could, I'd give it 6 stars.
Easicyco backpacks are a great innovative design. The pack is the product I’ve been wanting for many years. No more straining under the weight of a backpack. The staff are very helpful and they take their product and their after sales service very seriously. Pleasure to buy from them and definitely will recommend to other cycle commuters.
I just saw an add of it. But it's what i needed because i bike everyday to my work. It came and i was impressed! Premium packaging, very good thinking of the details, with extra cover and even a tool bag! I never leave a review but you guys deserve it, no more sweat on my rides! But please also make smaller bag for short trips so i can switch between those!
We are truly honored to receive this review — it means more to us at EasiCyco than any advertisement ever could. Knowing that you rarely leave reviews makes it even more meaningful to us.
Hearing that you can now commute every day by bike without worrying about excessive sweating genuinely moves our team, because this is exactly why we created this product in the first place: to make cycling feel lighter, easier, and more free.
Your suggestion about a smaller version also perfectly aligns with what we are already working on internally. We are currently developing a more compact size, specifically designed for short commutes, city riding, and everyday flexible use, and it is expected to launch within the next few months.
We’ve also prepared some reference design images in advance so you can get a first look at what we are working on. If any of the styles stand out to you, we would sincerely love to hear your thoughts — your feedback is extremely important to us and may even influence the final design details.
Thank you again for your genuine support. Customers like you are what continue to inspire us to improve and move this project forward.
Danke fürs Abonnieren!
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