A Very Deep Dive on Suspension with EXT’s Franco Fratton, Pt. 2 (Ep. 146)

A Very Deep Dive on Suspension with EXT’s Franco Fratton, Pt. 2 (Ep. 146)
Inside an EXT E-Storia

We’re continuing our deep dive on suspension technology with EXT’s Franco Fratton, and this week, it’s all about dampers: how they’re built, how they work, how EXT goes about designing them, and more. And along the way, we debunk some common misconceptions about damper performance and design, too.

TOPICS & TIMES:

  • How a damper is built (3:13)
  • Orifice dampers (10:03)
  • Oil displacement (16:33)
  • Damper consistency (21:33)
  • Hysteresis (30:48)
  • Choosing targets for damper design (33:11)
  • Critical damping (38:16)
  • Rebound vs. compression damping rates (42:36)
  • Mountain bikes vs. other off-road vehicles (47:31)
  • Heat & dampers (53:46)
  • “Living inside a damper” (1:05:14)
  • Valve design (1:07:13)
  • Shims vs. poppet valves vs. spool valves (1:14:11)

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