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

Derbi Senda 50 R DRD X-Treme 10-13 Polini HQ Reed Valve Block

Derbi Senda 50 R DRD X-Treme 10-13 Reed Valve Block

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

Derbi Senda 50 R DRD Racing 10-12 Malossi VL6 Reed Valve Block

Derbi Senda 50 R X-Treme 2010- OEM Reed Valve Block

Derbi Senda 50 R X-Treme 18- OEM Reed Valve Block

Derbi Senda 50 R DRD X-Treme 10-13 Malossi VL6 Reed Valve Block