Contour Internal V1.0 Service Kit - XL 150mm & 170mm modelsThis kit contains everything you need to service a 150mm Contour XL Internal Dropper Post. Please note, the Contour V1. 0 XL post is pressure adjustable and needs to be inflated roughly every 6 months. Should your dropper post be experiencing slow return speeds then it may be an indication that the post needs be inflated. The Schrader valve can be found under the saddle clamp assembly, remove the saddle, clamps and rubber dust cover and connect a