Updated: CrankBrothers Iodine mountain bike wheelset review£699.99

Innovative all-mountain hoops

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CrankBrothers’ super-bling all-mountain wheels are packed with innovation and potential but poor sealing and bearings let them down.

The unique rim uses a central rib with separate spoke barrels for the paired spokes, which themselves are a unique two-piece centrally threaded alloy design. This gives a noticeably stiff and direct feel on the trail despite fast- reacting acceleration and low weight.

The fast-engaging, beefed-up, multi-tooth freehub is lasting fine, and there’s a two-year warranty. They’re tubeless too, although the narrow rim doesn’t handle fatter tyres well.

We've got another set that have been fine for two years but they aren’t invulnerable – we dinged this set on our second ride. Poor seals also mean short-lived bearings if you’re not meticulous with cleaning.

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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