Intense Tire System 5 2.1in mountain bike tyre review£29.95

Fit-and-forget gripper

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ITS tyres are often overlooked, but the latest lightweight System 5 tyre is a responsive, lively, tubeless-ready, fit-and-forget gripper. The tread pattern with ranks of mid-height, mid-size rhomboid lugs isn’t the fastest rolling, but it clears very quick in even the claggiest conditions.

The C3 rubber compound offers decent grip in the wet without too much dry trail drag. The new LSG single-ply casing drops weight dramatically to make this a proper dragster tyre in terms of snap acceleration and it flicks and changes direction really quickly too. The 2.25in version isn’t much heavier and both are sealant compatible. You’ll need to ride light through rockeries though.

This article was originally published in Mountain Biking UK 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: 44
  • 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 tfhan 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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