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KNOWLEDGE BASE · Setup & adjustment · Pedal adjustment

Throttle: travel, stiffness, preload, damping

Travel: loosen the M4 bolt on the side of the base (don't remove) and move the slider. Positions: 1 = 35 mm, 2 = 54 mm, 3 = 73 mm, 4 = 91 mm at the top edge…

  • PurrPRO FORMULA PEDALS
  • Updated 6 Sep 2026
  • Travel: loosen the M4 bolt on the side of the base (don’t remove) and move the slider. Positions: 1 = 35 mm, 2 = 54 mm, 3 = 73 mm, 4 = 91 mm at the top edge of the face. Re-torque to 3 Nm so it can’t slide. The bolt head must sit outside the pedal outline so it can’t catch.
  • Stiffness: three positions on the throttle arm via the Magnetic Quick Pin. Top hole = stiffest/steepest gradient, bottom = softest/flattest. Loosen preload first; mind the rod-end bearing so it doesn’t fall out of its pocket.
  • Preload: loosen counter nut → rotate preload nut to compress the spring → re-tighten counter nut.
  • Damping: knob at the rear, 0–9, continuous rotation. Start at 4 and tune.
  • An optional LIGHT THROTTLE SPRING (€20.30) is available for those who find even minimum preload too heavy.
Throttle travel slider with four positions
Travel: loosen the M4 bolt and slide to position 1–4 (35 / 54 / 73 / 91 mm), then re-torque to 3 Nm. PurrPRO manual v1.05
Throttle preload nut and spring assembly
Preload: loosen the counter nut, then turn the preload nut (red) to compress the throttle spring. PurrPRO manual v1.05

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