SILCA #254 Elastomer Seal Hiro Chuck This unique bright red gasket borrows from industries which require air-tight seals in the harshest of environments. It tests to a life expectancy of more than 5X the carbon filled rubber or Buna-N materials used previously. The SILCA 254 Gasket has a large range of compression to make the most of the HIRO v2 LOCKING LEVER PRESTA CHUCK design. Easily fits over most valve stems and then secure clamps to form a tight seal. Replacement gasket for the SILCA HIRO Chuck /SILCA 254 Gasket Fits 'HIRO' V.2 LOCKING PRESTA CHUCKRestore your SILCA HIRO v.2 LOCKING PRESTA CHUCK back to like-new condition by replacing the gasket that creates the expected strong seal. Fully Synthetic Elastomer Base Material5X the durability of traditional rubber materialsFits HIRO v2 LOCKING LEVER PRESTA CHUCK6mm H x 15mm OD
