The range extender port on the relay and the heckler sl (maybe all fazua 60 systems) is located below the water bottle cage. There is a rubber plug there on both bikes. Transition has a spare part for it labeled as "relay range extender plug".
![www.transitionbikes.com](https://www.transitionbikes.com/images/HomepageOwnersPhoto_PatrolCarbonKevinJump.jpg)
Transition Bikes
Transition Bikes is a rider owned and operated mountain bike manufacturer from Bellingham Washington
www.transitionbikes.com