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This 13-litre waterproof tail bag provides a practical solution for cyclists needing reliable storage. Made from durable PVC, it offers a main compartment measuring 58x16x20cm, sufficient for tools, a waterproof layer, and snacks. The bag mounts directly to your seat post and saddle using 6.5cm straps, keeping weight centred and handling predictable. Choose from yellow, black, or green to match your bike or improve visibility on the road.
This section details the specific construction elements, materials, and functional design that make this tail bag a reliable choice for carrying gear on two wheels.
From quick commutes to all-day adventures, this tail bag serves multiple roles for different types of riding, offering a versatile storage option off the rear of the bike.



13L Waterproof Tail Bag for Bikes: Large-Capacity PVC Storage with Dimensions of 58x16x20cm and 6.5cm Mounting Straps
£66.98
Sale price
£66.98
Regular price
13L Waterproof PVC Bike Tail Bag: High-Capacity, Weather-Resistant Storage for Cycling

Features and Build Quality of the Tail Bag

Waterproof PVC Construction
The bag is fabricated from polyvinyl chloride (PVC), a material selected for its inherent impermeability to water. This construction ensures that the contents remain dry when cycling in rain or on wet roads, eliminating the need for separate internal dry bags for basic protection.13-Litre Capacity and Dimensions
The primary storage space offers a measured capacity of 13 litres. Its defined internal dimensions are 58 centimetres in length, 16 centimetres in width, and 20 centimetres in height. This volume is comparable to a small rucksack, providing ample room for multi-tools, a pump, a lightweight jacket, and food for a long day out.Secure Mounting Strap System
Attachment is achieved via adjustable straps measuring 6.5 centimetres in length. These straps are designed to loop around the bicycle's seat post and under the saddle rails, creating a stable, three-point connection that minimises sway and bounce, even on rough terrain.Practical Applications for Cyclists

Use for Road Cycling and Commuting
For road cyclists and commuters, the bag is ideal for stowing a puncture repair kit, mini pump, spare inner tube, and a set of allen keys. Its low-profile design maintains an aerodynamic silhouette, while the 13-litre capacity has space for a change of clothes, lunch, and a compact umbrella, making it a practical alternative to a backpack.Use for Leisure and Fitness Rides
On fitness or leisure rides, the bag's easy access is a boon. The smooth, wipe-clean PVC interior makes it simple to retrieve a energy gel or a mobile phone. The secure mount provides peace of mind, knowing your water bottle, wallet, and keys are held firmly in place without the discomfort of a sweaty back from a rucksack.Versatility for Different Bike Setups
Key Benefits and Long-Term Value Investing in a dedicated bike bag like this one offers measurable advantages over improvised carrying methods, contributing to a better riding experience and product longevity.Value Through Durability and Protection
Compared to using a standard rucksack, this tail bag's PVC construction is specifically engineered for outdoor exposure. It resists water ingress and abrasion from road grit, potentially outlasting fabric bags not designed for cycling. This focused durability provides long-term value by protecting your gear consistently.Satisfaction from Organised and Accessible Gear
The satisfaction comes from having a dedicated, organised space for cycling essentials. Knowing your tools are always in the same, easy-to-reach spot saves time before and during a ride. The confidence that your possessions are secure and dry, thanks to the waterproof PVC, enhances the overall enjoyment of your cycling trip.Reason to Choose This Tail Bag
This bag addresses the specific need for stable, weather-protected storage directly on your bicycle. With its 13-litre capacity defined by 58x16x20cm dimensions and secure 6.5cm straps, it removes the limitations of pocket space or the discomfort of a backpack. For cyclists seeking a simple, effective way to carry more, this PVC tail bag delivers a measurable solution.


