Housing actuated derailleur.
Extremely smooth. Another Gecko innovation
The housing should be nearly straight when in the large chainring.
Delrin housing stop should be 1/2" from cable clamp bolt when in big
chainring.
Most models have cable clamp bolt on BB. The Delrin stop can be a little further
away from bolt.
Don't put the Delrin stop closer than 2" from Derailleur cable clamp. The
further away from derailleur the smoother the operation.