Rock Shox Fork Basic Service Kits. Features: Basic service kits include main fork seals/wipers, internal o-rings/glide-rings, and external crush-washer/retainers (same as kits included with 2012+ AM forks) Spec info (in parenthesis) refers to stanchion diameter and damper/spring type Kits are for servicing one fork (contents available online through item-level detail) Specs: Year:2016 Model:Yari Dual-PositionAir (35mm) Description:basic service kit (MoCo, 2P-Air)