VOCA CNC Rear Sprocket 50T 420 for Derbi Senda / MRT / XP6

For riders seeking increased torque and acceleration, the VOCA CNC rear sprocket with 50 teeth is the ideal upgrade. Crafted from aerospace-grade AA‑7075‑T6 aluminum and precisely CNC machined, it ensures both strength and reduced rotational mass.

Technical specifications:

• Tooth count: 50
• Inner diameter: 105 mm
• Pitch circle diameter: 125 mm
• Mounting: 6 holes (3×2 pattern), hole diameter 8.5 mm
• Chain type: 420
• Material: AA‑7075‑T6 aluminum, monobloc

Compatibility:
• Derbi Senda SM / DRD / X-Race / X-Treme (only with spoke wheels)
• Rieju MRT / MRT Pro
• Peugeot XP6
• Aprilia RX / SX 50cc
• Gilera SMT / RCR 50cc
• Other 50cc bikes with matching specs

Note: Not suitable for Derbi models with cast wheels!

Available in black, red, blue and titanium. Combine style and performance in one upgrade.