Doh,

The Racer is centrepull too.. bad ascii explanation below

Competition

|
/ \
A A

Racer

|
/ \
L A

The competition has a straddle cable with lock anchors at both ends
(like a brake cable's end) with a set length. The racer has a straddle
cable with length adjustment possible through a locknut on one side.

Many apologies for my mistake

Sam.