Takuin is the practical bike storage box that fits seamlessly into your bottle holder while pedaling, thanks to its standard diameter of 74 mm. With a compact and sleek design, it adapts to any route on road, gravel, and mountain bikes. Takuin is also waterproof, ensuring maximum protection for your belongings on the bike, thanks to its water- and rain-resistant material. It's a handy travel bag that you can use at any time. Takuin is a bike storage box made from waterproof and water-repellent material, from the zipper to the outer surfaces. The outer fabric keeps water out on rainy days, while the inner surfaces are made of waterproof polyurethane. It's ideal for providing maximum protection for your items against rain, mud, and moisture while you ride. Practical and compatible with any bottle holder, Takuin offers a compact solution with the space you need to easily store all your items during your bike rides, such as phones, maps, masks, gloves, power banks, keys, sunglasses, or small maintenance tools for your bike.