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Shimano's hydration pack crisscrosses the shoulder straps

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October 22, 2012

Shimano aims to create a more ergonomic biking pack

Shimano aims to create a more ergonomic biking pack

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Shimano is one of the most well known names in cycling thanks to a component line that appears on bicycles around the world. The company is determined to appear on bicycle riders as well. Its new Unzen hydration pack line rethinks pack design in an effort to make it less restrictive and more comfortable.

The main feature that separates Unzen hydration packs from competitor offerings is the Rider Fit Cross Harness. Typical backpack straps loop straight around your shoulders and underams, a route that Shimano says can restrict the pectoral muscles actively used during mountain biking.

The Rider Fit Cross Harness re-routes the shoulder straps so that they meet on the chest. Shimano says that running them across the center of the pectoral muscles eliminates restriction and empowers more aggressive off-road riding. The harness is fully adjustable, letting you get a snug, personalized fit.

The configuration of the straps eliminates the need for a waist strap, which Shimano says promotes freer breathing. By pulling the straps out from under the arms, the design also aims to keep the underarms cooler and drier.

The pack itself is designed with what Shimano calls ACCU3D technology, which aims to create an ergonomic shape that hugs the body and limits bouncing and rustling. The 3D design also raises the center of the pack up off the body to promote air circulation and cooling.

Other Unzen features include a stretchy body that expands around its contents, a side zipper for quick access and a felt-lined pocket for storing sensitive items. The pack comes with a Hydrapak water reservoir that uses an open clipped top, making it reversible for cleaning.

Shimano's system certainly sounds interesting, but after years of mountain biking with a regular hydration pack, I can't say I have ever felt all that restricted by the shoulder straps. I think a full head-to-head comparison would really be necessary to identify the Rider Fit Cross Harness as superior to standard shoulder strap systems.

The Unzen is part of a greater bag line that Shimano announced earlier this year. It will be hitting the market in the coming weeks in several different sizes.

Source: Shimano

About the Author
C.C. Weiss Upon graduating college with a poli sci degree, Chris toiled in the political world for several years. Realizing he was better off making cynical comments from afar than actually getting involved in all that mess, he turned away from matters of government and news to cover the things that really matter: outdoor recreation, cool cars, technology, wild gadgets and all forms of other toys. He's happily following the wisdom of his father who told him that if you find something you love to do, it won't really be work.   All articles by C.C. Weiss
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3 Comments

I wish they had put more thought into filling it. Source Universal Tap is the best system so far but you still have to fill a bottle, then attach it, and then hold it up while it fills. When someone comes up with a better way the rest of them will have to pay them to sell it. How about a second short fat tube that can stick up out of the bag that is just for filling but then tucks into the bag. Anyone have a better idea?

The Hoff
22nd October, 2012 @ 09:46 pm PDT

A pair of nice wide mouthed 75cl bottle is probably the quickest things on earth to fill and load onto a bike. I appreciate that this only gives you 1.5l of fluid capacity but you also don't have to wear a backpack. Bring back the saddle bag I say - it'll keep you cooler and lowers your centre of balance.

TheSplund
23rd October, 2012 @ 12:35 am PDT

Nice work Shimano but a little slow Kriega developed a cross body harness backpack for motorcyclists some years ago which is incredible; mine is 5 years old and still going strong. I can honestly say regular backpacks feel totally awkward and unfomfortable now.

nigeatsolarbusiness
23rd October, 2012 @ 05:10 pm PDT
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