Ergon BX2 hydration pack review£95.00

Adjustable backpack

BikeRadar score2/5

Ergon’s BX2 hydration pack teams a sophisticated fit system with simple storage.

While different sized bags are common in hiking, Ergon is the only bike bag we know of that comes in both large and small sizes. A ladder system then raises or lowers the upper back panel and articulated shoulder harness. There’s a bendable metal bar to adjust curve and let air circulate between the four big back pads for a reasonably dry back.

The Hydrapak bladder gets a detachable hose with adequate flow and the zip lock top makes it easy to clean.

It does take a lot of adjustment to stop increasingly obvious top-of-pelvis pressure points when heavily loaded. The stiff fit and unbaffled reservoir mean it can lurch about irritatingly on steep, bumpy, hard braking descents unless you cinch it up super tight. There’s only one relatively awkward to reach hip pocket on the outside too so it’ll be coming on and off a lot to get to the side loading outer compartment or main top loading compartment.

A separate rain cover and clip-on bungee cord are provided but the latter gets in the way of the zip opening. There’s no key clip anywhere, which is disappointing given the level of fit detailing.

This article was originally published in What Mountain Bike magazine.

Guy Kesteven

Freelance Writer, UK
Guy started filling his brain with cycle stats and steaming up bike shop windows back in 1980. He worked the other side of those windows from '89 while getting a degree in “describing broken things covered in mud" (archaeology). Dug historical holes in the ground through the early '90s, then became a pro bike tester in '97. Guy has ridden thousands of bikes and even more components the world over since then and can remember them all in vivid, haunting detail. Can't remember where the car keys are, though.
  • Age: 45
  • Height: 180cm / 5' 11"
  • Weight: 68kg / 150lb
  • Waist: 76cm / 30in
  • Chest: 91cm / 36in
  • Discipline: Strict sadomasochist
  • Preferred Terrain: Technical off-piste singletrack and twisted back roads. Up, down, along — so long as it's faster than the last time he did it he's happy.
  • Current Bikes: An ever changing herd of test machines from Tri bikes to fat bikes and everything in between.
  • Dream Bike: His Nicolai Helius AM custom tandem
  • Beer of Choice: Theakston's Old Peculier (not Peculiar)
  • Location: Yorkshire, UK

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