• Simplex Retrofriction were a common upgrade from Campag record in the early 70s due to smoother and lighter action (true as well, not a myth) although to keep sponsors happy in the pro ranks they often disguised it by using the rubber Campag covers

  • It also does not require constant tightening that the Campag tend to do.

    I mod my Retrofriction with an Allen bolt so I can experiment with torque setting and see what the lowest I can go without it coming loose.

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