Best Large Bike Backpacks of 2025

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For avid cyclists who need to carry their essentials on long rides, large bike backpacks are a must-have. These backpacks are designed to be lightweight yet spacious enough to accommodate a range of items, from water bottles and snacks to spare clothing and tools. They often come with adjustable straps and breathable back panels to ensure a comfortable fit during extended periods of wear. Some models even feature built-in hydration systems, making them ideal for those who enjoy long-distance rides. If you're looking for a convenient and practical way to carry your gear on your next cycling adventure, a large bike backpack may be just what you need.
At a Glance: Our Top Picks
Top 10 Large Bike Backpacks
Optimum Waterproof Reflective 25L Backpack for Sports
The Optimum 25L Sports Backpack is designed for your everyday comfort, featuring mesh padding and sponge-padded shoulder straps that alleviate pressure while carrying your belongings. Its durable construction ensures longevity, resisting tears and cracks. With a high capacity, the backpack includes a large compartment and multiple zipped pockets for organised storage. Whether you’re hiking, cycling or commuting, this versatile backpack meets all your needs effortlessly.
Fistcale 8L Black Hydration Backpack
The Fistcale Hydration Backpack is crafted from lightweight, waterproof nylon, making it perfect for outdoor activities like cycling, jogging, and hiking. With a spacious 8L capacity, you'll find ample room for essentials such as shoes, first aid supplies, and water bottles. Its ergonomic design ensures maximum breathability, keeping you comfortable during your adventures. Additionally, the reflective strip enhances your safety while running or riding in low-light conditions, allowing you to enjoy your activities with peace of mind.
SKYSPER 20L Lightweight Cycling Backpack
The SKYSPER Cycling Backpack offers a spacious 20-litre capacity, featuring three zip compartments. This allows you to easily load your essentials and prepare your hydration system. You can also adjust the water tube outlet to suit your preference. The utility design includes waist protectors for added support, which can conveniently store your phone and energy bars while you're on the move. Safety is enhanced with an adjustable chest buckle that includes a whistle, along with reflective straps for visibility during outdoor activities.
BBAIYULE Hydration Backpack with Bladder
The BBAIYULE Running Vest is designed for outdoor enthusiasts, providing essential hydration during activities like running, cycling, and hiking. With a 2L hydration bladder and a 470ml soft flask, you'll have ample water supply for longer journeys. The medium-sized backpack features a separate water pocket compartment and an additional front pocket, ensuring easy access to your essentials. Its innovative shoulder strap pockets are perfect for holding water bottles and a mobile phone, making it convenient for on-the-go hydration and communication.
Seibertron Waterproof Molle Helmet Holder Backpack
The Seibertron Helmet Holder offers a robust solution for your storage needs. Made from 900D waterproof fabric, this backpack protects your gear from the elements, although it is worth noting that the zipper is not waterproof. With a high-strength thicken alloy zipper and a Molle system, it ensures durability and versatility for various activities. You can use this backpack not only for helmets but also as a hydration bladder backpack, making it suitable for cycling, hiking, or any sports adventure.
Bseash 40L Waterproof Hiking Daypack
The Bseash Hiking Backpack is an excellent choice for outdoor enthusiasts. Its comfortable design features ergonomic padded shoulder straps and back support, ensuring a pleasant experience during your travels. With a large capacity and multiple compartments, you can easily organise your gear and keep it secure with the zipper closure. The four adjustable straps allow you to attach additional items like sleeping bags or tripods for convenience. Plus, its water-resistant material ensures that your belongings stay dry in unpredictable weather, making it perfect for hiking, camping, or cycling adventures.
PORUPAEL Lightweight 10L Breathable Bike Backpack
The PORUPAEL Bike Backpack is an excellent choice for outdoor enthusiasts. Its lightweight and waterproof design ensures comfort during your activities, while the adjustable mesh shoulder straps provide breathability and support. With a large 10L capacity, it easily accommodates essentials like shoes and first-aid supplies, making it ideal for short trips. The high-density materials used in its construction guarantee durability, protecting against tears and wear, so you can focus on your biking, jogging, or hiking adventures without worry.
LOCAL LION 6L Lightweight Cycling Backpack
The LOCAL LION Backpack is an excellent choice for outdoor enthusiasts engaging in cycling, jogging, or climbing. Its lightweight design, crafted from high-quality nylon, ensures durability while being waterproof and tear-resistant. The U-type zipper allows for easy access to the spacious main compartment, while the breathable sponge back promotes airflow, enhancing comfort during your activities. With adjustable straps and chest clips, you can securely fasten the backpack, reducing movement and ensuring stability as you enjoy your adventures.
TTIAISHLE Hydration Pack for Outdoor Sports
The TTIAISHLE Hydration Pack is designed for outdoor enthusiasts like you. With adjustable shoulders, chest, and waist straps, it ensures you maintain balance while staying hydrated. The BPA-free hydration bladder is safe and odourless, providing peace of mind during your adventures. Weighing only 300g, this pack is lightweight and convenient for activities such as running, cycling, and hiking. Additionally, it features 11 reflective strips, enhancing your safety during night travels.
TTIAISHLE Hydration Pack Backpack with 2L Bladder
The TTIAISHLE Hydration Pack is a durable and affordable backpack, perfect for outdoor enthusiasts. With a 2-litre BPA-free water bladder, you can easily hydrate on the go by simply biting the spout. Its spacious design allows you to carry all your essentials, such as mobile phones and keys, while weighing only 300g, making it comfortable for activities like running, cycling, and hiking. Additionally, the high-quality nylon construction ensures that the pack can withstand tough conditions, while reflective strips enhance your safety during night adventures.
During our large bike backpack research, we found 156 large bike backpack products and shortlisted 10 quality products. We collected and analyzed 24,527 customer reviews through our big data system to write the large bike backpacks list. We found that most customers choose large bike backpacks with an average price of £20.67.
The large bike backpacks are available for purchase. We have researched hundreds of brands and picked the top brands of large bike backpacks, including Optimum, Fistcale, SKYSPER, BBAIYULE, Seibertron. The seller of top 1 product has received honest feedback from 371 consumers with an average rating of 4.4.

Luke is a runner, a climber, hiker, hunter, and a lot more. Luke Dobson is Celtic-born and has lived most of his life in Scotland. However, his sporting endeavours have taken him to several countries around Europe. He serves as a tour guide for countless companies and owns a couple of gyms and recreational centres in Scotland. Luke Dobson is proficient in 7 different languages. He maintains many sport article columns where he shares his wealth of experience in the sport industry.