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Fat Roo handlebar bag

3 litre xpedition grade Kanga compatible extension bag. Add 3 litres hardwearing capacity to your Kanga and Airlok Dual handlebar set up; UK made for durability.

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Why do you ride? The long open roads? The forgotten trails? The hopping from bothy to bothy? Whatever the reason, rummaging around your frame bag for your keys probably has nothing to do with it…

Fat Roo extends the Kanga harness to bolster your handlebar mounted drybag and add 3 litres of extra capacity to your set-up.

A 2-sided YKK Aquaguard zip and large glow-in-the-dark zip puller gives easy one-handed access to your bits and bobs - even with gloves on. The folded zip port stops stuff from falling out.

Constructed from waterproof VX21 fabric and a protective foam lining in our UK factory, Fat Roo is made to endure the demands of life on the road without adding weight.

Fat Roo has stitched seams; when out in wet weather, we recommend storing valuables in a dry bag for added protection.

If you’d like to use the Fat Roo without its Kanga, grab yourself some Dual Straps.

"Is it waterproof?"

Although highly weather resistant, this product is not fully waterproof due to its stitched construction and zipped opening. If you are carrying valuables or electronic equipment, make sure to put it in a dry bag. 

Key features
  • 25 Year Alpine Bond
  • Extends Kanga to bolster handlebar set-up and add capacity
  • Made to last in the UK
  • Fully customisable (contact support@alpkit.com)
  • Made with waterproof and highly abrasion-resistant fabrics
  • Handy 3 litre pouch gives additional capacity
  • Two-sided zip opening helps you find your stuff easily
  • Folded zip port to prevent stuff from escaping when open
  • Water resistant zip offers protection from the elements; large zip puller can be used with gloves
  • Can be used without Kanga with additional Dual Straps
More images
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Vital stats

A 4-layer, 210 denier laminated nylon fabric with a DWR finish: VX21 (or X-Pac to its friends) is a high tech, ultralight sandwich of materials that is highly abrasion and tear resistant, low-stretch, and waterproof.


Fabric: VX21 waterproof fabric
Stitched seams
Zip: YKK Aquaguard
Zip Puller: Gloworm Phosphorescent
Buckles: Duraflex


Weight: 128 g
Dimensions (LxWxD): 25 x 23 x 9 cm
Capacity: 3 litres
Strap length: 35 cm
Maximum circumference with supplied straps: 60 cm

Origin: United Kingdom

Product Care Information

Fat Roo has a C6 DWR coating which helps it to repel water and dirt. After your two-wheeled epic, wipe down your Fat Roo with a damp cloth to remove dirt. ​


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Free UK Shipping on all orders

Free 2 day delivery to UK addresses is included in all orders so the price you see is the price you pay. Upgrade to next day at the checkout.

Free No hassle 123 Day Returns

Buy with confidence and if you are not happy, change your mind or want a swap for any reason then return it for free and we will exchange or refund no question. The price you see is the price you pay. Just return the kit as you receive it - in its original condition, unused, unworn, with original packaging and fit for resale.


We offer a range of finance options from 0% to 9.9% starting on orders over £500. Please give us a call on 01773 417007 to apply for finance. Our customer support heros will take your order and talk you through the quick and easy application process.

Alpine Bond

If one of our products does not meet your expectations upon delivery or, if it does not live up to the demands placed upon it, please return it within 3 years of purchase for repair, replacement or refund. If the problem is our fault then we will do this to your satisfaction if it’s your fault then we will help out the best we can.

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