Jones H-loop handlebar harness system

This is a simple and ultralight (90 gram) harness system for securing various loads to the handlebars while also protecting them from friction damage by straps.

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Harness system cradling the five litre DIY Hip Bag
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The same harness system securing a Telkwa DIY Packraft with DripDeck and a 4 piece Werner paddle.  This system is very stable even on rough singletrack.  The crossed elastic cords visible in the H-Loop provide a space to store riding layers when not in use.

 

Industrial sticky back Loop Velcro is attached to the bar at four appropriate locations. Two straps of about one metre each in length, with four matching Hook Velcro segments are wrapped around each side of the loop, with a full wrap at each location. The full wrap makes for a very secure mount and also moves the load forward by roughly the diameter of the handlebar at the stem side of the loop. A rectangular piece of heavy fabric, in this example scrap packraft flooring, is bar-tacked to the webbing.   The pictures below show a system built with 19 mm , 3/4 inch, webbing. Total weight ~90 grams.

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The Porcelain Rocket Nugget dry bag ~150 grams is a good size for smaller loads. The Salsa EXP replacement dry bag ~220 grams fits larger loads.

Materials: 2 metres of 19mm strap from MEC <C$3, 2 pairs of Nexus Air Lock buckles from MEC C$3, 2 D-Rings to be sewn to the loose end of each strap C$1.50 (optional), Velcro Industrial Strips C$15 (Enough to do a few bikes and solve other gear mounting problems.)

Sea to Summit, Seal Line, Outdoor Research, and others all have various weights and sizes of bags that may also meet your needs. The MEC “Nano” series of dry bags are not recommended as the materials are too light for sustained use.

A completed strap with the seam rippers showing the outer ends of the Hook Velcro segments sewn to the strap.
Close-up of one the Hook Velcro segments sewn to the strap. The distances in centimetres are from the buckle, similar to previous image.
Salsa EXP dry bag loaded with winter layers,. Note the bear spray and wildlife horns mounted to the Loop Velcro patches on the handlebar, and then the straps looped over them. Still a number of hand positions available with this mounting arrangement.
Front view of bag and straps