TAMA HP9S Speedo Ring - Pedal-LagerThe description of this item has been automatically translated. Tama HP9S Speedo Ring With the Speedo Ring, TAMA eliminates another source of unnecessary friction. The conventional spring suspension with nylon bearings is replaced by the SPEEDO RING, a spring suspension with a high-quality ball bearing. HP200B and HP200TWB owners can upgrade their machines with this Irob Cobra feature.