Best Expedition Frame Pack 4.5L Bikepacking

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Apidura Expedition frame Pack 4.5L is a lightweight, waterproof, durable pack that sits within the main triangle of the bike.

Apidura says: 

The Expedition Frame Pack is designed for storing items within the main triangle, creating a lower centre of gravity and enabling more natural bike handling.

The frame bag securely fastens to the top tube with velcro straps, and is useful for storing heavier items as part of a larger bikepacking setup. The result is an even, balanced load, making longer tours and multi-day trips more comfortable. The frame bag is equally useful when used on its own for storing essentials on a daily commute.

It’s constructed from a lightweight fabric, custom milled to Apidura’s specifications and welded together at the seams to create a watertight seal. Zippers with protected closures ensure that kit stays dry, even in a sustained downpour. A battery lead/hydration hose port is handy for charging devices or staying hydrated on the road.

Our Verdict

Apidura Expedition Frame Pack 4.5L is a lightweight, waterproof and durable pack that sits within the main triangle of the bike. It is the perfect place to store heavier items. This is one of the longer frame packs, which means it is slightly longer than others in the range that are taller and shorter, so it is worth checking the best fit for your bike. 3 rubber backed Velcro tabs that fit the bag to the bike’s top tube are soft and don’t scratch. The bag is then secured with 3 adjustable webbing straps to the head tube, down tube and seat tube making it versatile for different bike sizes and types. There are 2 long side zips each accessing its own compartment which his useful for organising the space and the covered flap at the front allows for cables to be run to devices whilst pedalling along. The shape of the bag still allows access to bottle cages on the bike too.

– Reviewed by Ultralight Outdoor Gear

Features

• Ample Knee Clearance: Designed to maximize storage space without getting in the way
• Waterproof: Lightweight waterproof laminate, developed specifically for Apidura
• Adjustable straps: Carbon-friendly adjustable strap positioning
• Internal divider: Dual interior compartments, with removable internal divider
• Internal pocket: Keeps valuables secure and close to hand
• Cable/Hydration Port: Compatible with hydration bladders and charging devices on the go
• Reflective Graphics: High-contrast reflective design to enhance visibility in all light conditions
• Internal Organisation: Main compartment for storing essential items
• Perfect Fit: Available in multiple sizes and tall or compact designs to fit every bike
• Dual-storage options: Smaller pocket on non-drive side

Specifications

• Weight: 174g
• Height : 15cm / 5.9 In
• Length : 46cm / 18 In
• Width: 6cm / 2.4 In
• See images for diagrams

Material & Construction

• The frame bag is cut from a three-layer laminate fabric that was developed specifically for Apidura. The material is lightweight, and is highly resistant to tears and abrasion. Notably, it’s welded together at the seams, creating a watertight seal that ensures complete waterproofing.
• Wash the saddle bag by hand, using a mild diluted soap if necessary. Afterwards, let it air dry.
• Do not machine wash, machine dry, or iron.

Help & advice:

• Bikepacking Advice Page