Polini reed valve for Derbi GPR50 Nude 2T

Derbi Senda SM DRD Racing 500cc 2004-05 Reed Valve Block

Derbi Senda R DRD Racing 50cc 2004-05 Polini HQ Reed Valve Block

Derbi Senda SM X-Treme 50cc 2004-05 Polini HQ Reed Valve Block

Derbi Senda R X-Race 50cc 2004-05 Polini HQ Reed Valve Block

Derbi Senda R X-Treme 50cc 2004-05 Polini HQ Reed Valve Block

Derbi Senda 50 R DRD PRO 05- Polini HQ Reed Valve Block

Derbi Senda 50 SM Limited 2018- Polini HQ Reed Valve Block