Stilo drinks system helmet kit for ST4 & ST5 helmets.
Included in this pack is a male Quick Release Coupling, Tube and Bite valve (YA0601, YA0602 & YA0603)
The coupling is designed to allow the driver a quick evacuation so that in case of emergency, by just a slight tug, the coupling disconnects.
For drink system bag (Hydration Bag, Tube & female quick coupling) please see YA0605.
Not suitable for ST4F-N, ST5F-N & ST5GT-N.