Formula ThirtyFive suspension fork review£899.00

Sturdy yet lightweight fork

BikeRadar score3.5/5

Despite meaty 35mm stanchions and decent steering accuracy, Formula's new fork is lighter than a lot of 140mm travel, 32mm legged trail forks. It’s only available with a tapered steerer though, and isn’t recommended for use with rotors bigger than 180mm.

The nest of dials and levers on the fork top includes lockout, lockout threshold and low-speed compression adjustment. The damping cartridge is removable for servicing and you can rotate it in order to put the adjustment knobs exactly where you want them.

The low-pressure air spring and oil bath lubing mean an extremely supple and smooth start, with decent mid-stroke support for consistent cornering geometry.

Progression can be increased by adding oil to the air spring, but the default set-up was fine for us, keeping the fork’s head held high rather than diving into corners or braking bumps. The damping occasionally got overloaded and spiked during repeated high-speed hit sections but it’s an impressive performer otherwise.

Production forks will come with a quick-release 15mm axle instead of the bolted one sampled here.

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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