Mavic EX721 rims/Hope SPAM-4 hubs mountain bike wheelset review£385.00

Versatile, light and strong

BikeRadar score4.5/5

Mavic’s superb EX721 rims have a 29mm width, so the fattest tyres can roll, but they’re still amazingly strong. Their race-friendly weight is a bonus.

Meanwhile, Hope SPAM-4 hubs are super-reliable and give outstanding straight-pull spoke stiffness. And the increased heat dispersion and reduced warping of the unique four-bolt rotors is useful in downhill/alpine situations.

Whichever sized rotors you want are included in the price (as well as rim tape and spare spokes) and the weight they save makes for an impressively agile race/all-mountain wheel.

The slim-bodied 150mm version is no stiffer than the 135mm though, and we’d recommend the tougher steel freehub for powerful riders.

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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