TUSK Olympus Small Tank Bag 4.5 L - Compact Adventure Tank Pack

In this review of the TUSK Olympus Small Tank Bag 4.5 L the bottom line is simple: this is a compact, well-built tank bag for riders who need a low-profile carry option for short rides or as supplemental storage. The bag's single biggest selling point is its rugged construction and thoughtful features - heavy-duty 1680D nylon/polyester, YKK zippers and a TPU textured base - which give confidence that the pack can handle weather and vibration without sliding around. For dual sport and adventure riders who want an easy-install, small-capacity tank bag with a clear map/phone pocket and charging pass-through, this is worth a close look.

Key Features

• Compact 4.5 L capacity: Provides space for essentials like a small tool kit, two water bottles or a light jacket without becoming bulky on the tank.
• Durable construction: 1680D nylon/polyester and heavy-duty YKK zippers offer abrasion resistance and longevity for off-road use.
• Clear map/phone lid: The top pocket keeps navigation or a phone visible and usable while riding without exposing electronics to the elements.
• Cable ports for charging: Front and internal ports let you route a charging cable into the main compartment so devices can be powered on the go.
• Included rain cover and elastic storage: A stowable rain cover protects the bag in wet weather and the elastic top cord plus sunglass loop secure extra items when parked.
• Universal mount and safety features: Quick-release straps and a TPU base provide a secure tank grip while reflective logos increase visibility in low light.

Who It's For

The Olympus 4.5 L is aimed at adventure and dual sport riders who want a minimal, easy-to-install tank bag for day rides, navigation, or storing small items within reach. It suits riders who value build quality and practical features like a clear map pocket and charging ports more than large capacity.

Riders who need large storage for full touring kits or long multi-day trips should look at larger luggage options instead, since the 4.5 L volume and compact footprint are intentionally limited. Also, those who prefer an integrated magnetic mount specific to their tank shape may prefer a model designed for that mounting method.

Pros & Cons

Pros

• Sturdy materials and YKK zippers make the bag feel built to last.
• Clear top pocket and cable ports keep devices usable and charged while riding.
• Rain cover and elastic cord add flexible weather protection and external carry options.
• Universal straps and TPU base make installation straightforward on many bikes.

Cons

• Size is small at 4.5 L, so it will be insufficient as a primary luggage solution for long rides.
• Universal mounting may require careful strap routing on some tank shapes to achieve a perfect fit.

Specifications

Capacity	4.5 L
Dimensions	6.5 in W x 10 in L x 7 in H
Material	1680D nylon/polyester
Zippers	Heavy-duty YKK zippers
Mounting	Quick-release straps with TPU textured base
Weather protection	Stowable rain cover included
Extras	Clear map/phone pocket, cable ports, elastic top cord, sunglass loop, reflective logos

Our Verdict

The TUSK Olympus Small Tank Bag 4.5 L is a practical, well-made option for adventure and dual sport riders who need a compact tank bag with useful features like a clear map pocket and charging pass-through. It delivers solid build quality and thoughtful details at good value, though riders needing larger capacity or a model tailored to a specific tank should consider bigger or specialized alternatives.

Frequently Asked Questions

Will this bag fit most adventure and dual sport tanks?
Yes. The bag uses universal quick-release straps and a TPU base to grip tanks; fit is good on most small to medium adventure and dual sport motorcycles but may need careful strap routing on unusual shapes.

Can I charge my phone inside the bag while riding?
Yes. The bag includes front and internal cable ports designed to let you route a power cable into the main compartment for charging devices.

Is the bag waterproof?
The pack is not fully waterproof but comes with a stowable rain cover to protect contents in wet weather.