Best Medium Size Bike Frame Bags of 2025

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If you're someone who enjoys cycling, you'll know the importance of having a reliable and functional bike frame bag. Medium-sized bike frame bags are an excellent choice for cyclists who need to carry a few essentials with them on their ride. These bags are designed to fit snugly on the frame of your bike, ensuring that your belongings are easily accessible while you're on the move. With a variety of styles and features, these bags are perfect for carrying everything from snacks to tools, making them an essential accessory for any keen cyclist.
At a Glance: Our Top Picks
Top 6 Medium Size Bike Frame Bags
Ibera Medium Triangle Frame Bag for Cycling
The Ibera Triangle Frame Bag is a versatile accessory for cyclists, measuring 11.8 inches long and offering a capacity of 3 litres. With three Velcro straps, it secures firmly to your bike, ensuring your belongings stay in place during rides. The bag features two external zippers and an internal pocket, providing convenient storage options for essentials. Made from durable 420D Nylon fabric, it is resistant to abrasions, making it ideal for mountain and road biking alike.
Blackburn BB Bag Outpost Medium Expandable Frame
The Blackburn Outpost Frame Bag is designed for versatility, expanding when you need extra space and contracting when you don’t. With interior organisation and exterior slip pockets, it helps keep your belongings tidy and easily accessible. The hose port feature allows for convenient hydration, perfect for long rides. Additionally, this bag fits a wide variety of frame shapes and sizes, ensuring compatibility with most bikes, making your cycling experience more enjoyable.
Moosetreks Medium Trail Mountain Bike Frame Bag
The Moosetreks Trail Frame Bag is designed to offer a near custom fit, ensuring it accommodates most trail and mountain bike frames. With three sizes available, you can easily find the right fit by measuring the inside length of your bike's top tube, seat tube, and down tube. This tailored sizing not only enhances stability but also optimises your riding experience. Additionally, the bag's thoughtful design allows for convenient storage of essentials, keeping them secure and accessible during your rides.
Moosetreks Large Bike Full Frame Bag
The Moosetreks Frame Bag is designed for versatility and convenience, fitting most touring and fat bike frames with a near custom fit. Its durable, water-resistant material ensures your gear stays safe while you navigate various terrains. With an impressive storage capacity of 14 litres, you can easily carry all your essentials, whether for bikepacking or commuting. The bag's design enhances stability and load balance, allowing you to handle steep climbs and technical descents with ease.
London Craftwork Brompton Borough Medium Bag - Olive
The Brompton Borough Medium Bag is a stylish addition to the 2020 range, designed for the Brompton front luggage system. With its roll-top design, you have easy access to your belongings while enjoying a capacity of 14 litres, making it ideal for daily city adventures. The bag features a waterproof rain cover, ensuring that your items stay dry regardless of the weather. Additionally, the padded laptop sleeve provides protection for your tech, along with a cable management pocket to keep your accessories organised.
Rhinowalk Waterproof Triangle Bicycle Frame Bag
The Rhinowalk Bicycle Frame Bag offers excellent support with its three-layer design, ensuring it maintains shape during your rides. The outer layer is crafted from fully waterproof 600D polyester, keeping your belongings dry in wet conditions. With five adjustable straps, it securely attaches to your bike, giving you peace of mind while cycling. The 4L capacity allows you to conveniently store essentials like your phone, pump, and sunglasses, making it ideal for medium to long-distance trips.
During our medium size bike frame bag research, we found 157 medium size bike frame bag products and shortlisted 6 quality products. We collected and analyzed 29,051 customer reviews through our big data system to write the medium size bike frame bags list. We found that most customers choose medium size bike frame bags with an average price of £19.81.
The medium size bike frame bags are available for purchase. We have researched hundreds of brands and picked the top brands of medium size bike frame bags, including Ibera, Blackburn, Moosetreks, London Craftwork, Rhinowalk.

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