Best Medium Size Bike Frame Bags of 2025

Luke Dobson Avatar
Luke Dobson
Last Updated: 7 Feb 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

Ibera Medium Triangle Frame Bag for Cycling Cover #TOP 1
Ibera Medium Triangle Frame Bag for Cycling
ftb score rating icon 9.9
Blackburn BB Bag Outpost Medium Expandable Frame Cover #TOP 2
Blackburn BB Bag Outpost Medium Expandable Frame
ftb score rating icon 9.8
Moosetreks Medium Trail Mountain Bike Frame Bag Cover #TOP 3
Moosetreks Medium Trail Mountain Bike Frame Bag
ftb score rating icon 9.6

Top 6 Medium Size Bike Frame Bags

#TOP 1

Ibera Medium Triangle Frame Bag for Cycling

IB-FB1-M
Black
Ibera Medium Triangle Frame Bag for Cycling Cover
Ibera Bicycle Bike Triangle Frame Bag for Cycling, MTB, Mountain, Road Bikes (Medium)

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.

What We Like
Secure Velcro straps
Durable anti-abrasive fabric
High capacity, slim design
Convenient storage with zippers
#TOP 2

Blackburn BB Bag Outpost Medium Expandable Frame

7099762
Black
One Size
Blackburn BB Bag Outpost Medium Expandable Frame Cover
BLACKBURN BB BAG OUTPOST MEDIUM EXPANDABLE FRAME. 4.3/5.8L#, Black

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.

What We Like
Expandable for varying storage needs
Hydration tube port included
High waterproof performance
Compatible with various bike frames
#TOP 3

Moosetreks Medium Trail Mountain Bike Frame Bag

Moosetreks
MTFB-3
Black
Moosetreks Medium Trail Mountain Bike Frame Bag Cover
Trail Mountain Bike Frame Bag (Medium)

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.

What We Like
Custom fit for various bike frames
Available in three sizes
Convenient storage for essentials
Enhances riding stability
#TOP 4

Moosetreks Large Bike Full Frame Bag

Moosetreks
MTFB-1
Black
Moosetreks Large Bike Full Frame Bag Cover
Bike Full Frame Bag | Bicycle Bikepacking, Touring, Commuting Pack | Large (14L)

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.

What We Like
Custom fit for various bike frames
Durable, water-resistant materials
Large storage capacity
Improves stability on rides
#TOP 5

London Craftwork Brompton Borough Medium Bag - Olive

I6-OAET-HD00-TR
Olive
London Craftwork Brompton Borough Medium Bag - Olive Cover
London Craftwork Brompton Borough Medium bag - olive 2020 collection

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.

What We Like
Stylish olive green design
Waterproof rain cover included
Convenient padded laptop sleeve
Detachable shoulder strap
Perfect for daily city use
#TOP 6

Rhinowalk Waterproof Triangle Bicycle Frame Bag

DE-X20654Bl
Black
One Size
Rhinowalk Waterproof Triangle Bicycle Frame Bag Cover
Rhinowalk Bicycle Frame Bag Triangle Waterproof Triangle Bicycle Bag for MTB Road Bike

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.

What We Like
Waterproof and durable materials
Secure and adjustable attachment
Spacious 4L storage capacity
Lightweight design
Buying Guide Image
Editor's Notes

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.

Written by
Luke Dobson Avatar

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.