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Shimano Unzen U15 15 Litre Volume Hydration Pack


Shimano Unzen U15 15 Litre Volume Hydration Pack – 3 Litre Bladder; Lightweight, sleek, and crafted to fit your natural riding position. Shimano’s ACCU3D series is precision-engineered to support a smoother ride….

Shimano Unzen U15 15 Litre Volume Hydration Pack


Shimano Unzen U15 15 Litre Volume Hydration Pack – 3 Litre Bladder; Lightweight, sleek, and crafted to fit your natural riding position. Shimano’s ACCU3D series is precision-engineered to support a smoother ride. Using innovative materials and accurate 3D pattern technology, Shimano shapes each part of the bag to create a body-hugging fit that stays molded to your back. No moving around. No loose straps. You’ll hardly know it’s there. The aerodynamic and form-fitting design puts less strain on your body, so you can put more energy into your ride. ACCU3D by Shimano-dedicated cycling bags for the dedicated rider.


Conventional backpacks have the shoulder straps coming right over the pectoral muscles. Because these muscles are used quite intensively while riding your mountain bike, the placement of conventional shoulder straps is very restricting. The construction of the Rider Fit Cross Harness is specifically designed to power an aggressive off-road riding style. The harness belts are positioned right in the center of the pectoral muscles solving the restriction of movement caused by conventional shoulder straps. Our Cross Harness ensures more energy for the pectoral muscles while climbing and descending, resulting in a smoother ride. Furthermore this structure eliminates the need of a waist belt, providing free, unlimited breathing from the stomach.


Fabric Properties:


Cargo Capacity:

12 Litre


3 Litre

Back Panel:

Breathable anatomical structure


The Cross Harness construction doesn’t have any shoulder straps going under the arms, resulting in free airflow, less perspiration and more comfort

Pocket 1:

Tool organiser

Pocket 2:

Armor compact storage

Pocket 3:

Stretchable side pockets

Pocket 4:

Key holder

Bladder Pocket:

To prevent the hydration system from taking away storage space from the main compartment and to provide quick access


Reflective elements and a blinking light attachment loop are essential details to provide a peace of mind when caught in the dark close to traffic


Very easy to operate even when wearing full finger gloves

Extra Features:

Hydration tube holder


Pack only weight; 0.59kg

Buying Guides

Hydration Packs & Backpacks

Hydration Packs & Backpacks

A buying guide that offers general advice on hydration packs and backpacks

Customer Reviews

Product no longer available for purchase



We offer a range of delivery services for our UK and International customers. UK Customers can select our FREE standard delivery option on most non bike orders over £20. Or if you’re in a hurry you can upgrade to our Next Day, Saturday or Sunday delivery services. You can also use our free Click & Collect service, where you can collect your purchases from a choice of over 50 Evans Cycles stores. International customers can benefit from FREE delivery on most orders and save UK VAT if we are shipping outside of the EU.

Bike build & delivery

UK bike delivery charge includes assembly by our fully trained mechanics, pre-delivery inspection and safety check, packing in our custom bike box, multi-tool and delivery from only £9.99 per bike.Click here to see how we deliver your bike

Standard, Next Day, Saturday & Sunday UK delivery

We offer a FREE standard delivery service on orders over £20, as well as Next Day, Saturday & Sunday delivery options to UK addresses. Click here for more details

Click & Collect

Using our Click & Collect service your order will be delivered to a choice of over 50 Evans Cycles stores nationwide for collection. This service is FREE of charge for all orders. To check store stock and collection times, use the "Check store stock" button above. Click here for more details

International delivery (Incl BFPO, ROI, Channel Island & Isle of Man)

We offer a FREE delivery service on most International orders. Orders delivered outside the EU are exempt from VAT. To calculate the charges for your order simply add products to your basket and proceed through the checkout process, where you will need to enter your delivery details. Our website will present you with the relevant delivery options and the charges for your basket of goods. Click here for more details.

Easy Returns

Our priority is to ensure that you are highly satisfied with your purchase. In the unlikely event that you are not, please feel free to return your goods within 90 days of the purchase date for a full exchange or refund. Returns can be made in your local store or sent back to our distribution centre.

Click here for more information


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