Marzocchi All Mountain 1 SL 20mm£469.95

This long travel mid-weight beast is our favourite tough trail fork on test. The recommended pressures are 30psi too high, but lower them and it's business as usual from the air-sprung, open-bath internals.

BikeRadar score4.5/5

This long travel mid-weight beast is our favourite tough trail fork on test. The recommended pressures are 30psi too high, but lower them and it's business as usual from the air-sprung, open-bath internals. Travel is also adjustable down to 120mm, via the ATA knob. We had no trouble with the travel creep reported on MTB forums and the single-dial TST 5 compression and rebound damping takes the faff out of set-up.

The Maxle-style QR bolt-through axle stiffens steering up, and the weight is low for the travel. Skinny 32mm legs mean it's not as tight tracking as the beefier forks here though, and fore/aft twang is obvious if you put on bigger rotor brakes. The plush stroke copes fine with big stuff if you just let it run though, and the price is excellent for the performance, reliability and features.

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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