Derbi Senda 50 R DRD Racing 10-12 Polini HQ Reed Valve Block

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

Derbi Senda 50 SM X-Treme 2018- Polini HQ Reed Valve Block

Derbi Senda 50 SM DRD Racing 10-13 Polini HQ Reed Valve Block

Derbi Senda 50 SM Racing 2018- Reed Valve Block

Derbi Senda 50 R X-Treme 2010- Polini HQ Reed Valve Block

Derbi Senda SM X-Race 50 04-05 Polini HQ Reed Valve Block

Derbi Senda 50 R DRD Racing 05-08 Polini HQ Reed Valve Block