The TRK-PD01 Topeak service kit is for the Peak DX pump with the SmartHead internals. Fits Presta and Schrader valves automatically. Supplied with external fitting metal cap, Dust Cover, rubber insert, Spring loaded pin and the barrel plunger O' Ring.
The TRK-PD03B Topeak service kit is for the Peak DX pump with the SmartHead internals. Fits Presta and Schrader valves automatically. Supplied with external fitting metal cap, Dust Cover, rubber insert, Spring loaded pin and the barrel plunger O' Ring.