Description

TOPEAK Midloader 4.5L Frame Bag | Your Ultimate Bikepacking Companion
Epic offroad bike tours require you to bring all the essential tools and gear to keep from being stranded in the middle of nowhere.
Designed to employ the unused space in your frame, the Midloader carries the heaviest items for your bike adventure.
Constructed of lightweight, highly water resistant and durable materials, it mounts and removes quickly with hook and loop fasteners.
Two water resistant zippered openings provide easy access to all your gear from either side.
The TOPEAK Midloader 4.5L is the definitive solution for carrying essential equipment on any cycling adventure, from rugged bikepacking expeditions to long-distance gravel grinding. By strategically positioning the heaviest items in the center of your bike, it dramatically improves stability and handling on technical trails, challenging climbs, and fast descents. This intelligent design maintains your bike´s natural balance, giving you more confidence and control when the terrain gets tough. Say goodbye to cumbersome backpacks or overloaded panniers that can affect your agility. This frame bag provides immediate, on-the-go access to your equipment without compromising performance.
Engineered for the modern adventurer, the Midloader 4.5L boasts a streamlined, aerodynamic profile that minimizes wind resistance. Its standout feature is the dual-sided access with long, water-resistant zippers, ensuring you can reach what you need from either side of the bike, often without even dismounting. The robust and adjustable hook-and-loop fastening system offers a reliable and secure fit to your frame, preventing sway and keeping the bag perfectly stable even on the roughest terrain. Installation and removal are a matter of seconds, offering ultimate convenience for every ride.
Seats
The Midloader 4.5L seats perfectly and securely within the main triangle of your bicycle´s frame. Its versatile and highly adjustable strap design allows it to be firmly attached to a wide range of tube shapes and sizes, ensuring a custom, no-rattle fit. It elegantly occupies the unused space, becoming an integrated part of your bike´s silhouette while ensuring it does not interfere with your pedaling motion or bottle cages on most standard frame geometries.
Technical Specifications
* Capacity: 4.5 L / 275 ci
* Dimensions (L x W x H): 46×12 x 6 cm / 18.1” x 4.7” x 2.4”
* Weight: 292 g / 10.30 oz
* Max Load Capacity: 6.5 kg / 14.33 lb
* Top Tube Diameter Compatibility: Fits ø45 – ø66 mm
* Down Tube Diameter Compatibility: Fits ø38 – ø70 mm
* Seat Tube Diameter Compatibility: Fits ø28 – ø60 mm
* Mounting: Tool-free hook-and-loop fasteners for secure attachment