Rock Shox Main Seals & Wipers. Features: Dust wipers (and oil seals or foam rings where applicable) for "reviving" Rock Shox forks Sizing reference (in parenthesis) refers to stanchion diameter Kits include enough parts for one fork Specs: Model:Pike, Reba*, SID (32mm) Description:foam oil ring (bulk/20) Remarks:Yellow, 3mm height foam oil ring for use with dust wiper/seal and secondary oil seal. 09+ SID uses only a primary wiper/seal *(not for 09+ Reba forks, use RS-3834)