Vortex 841ZK-36 Aluminum Rear Sprocket for Marchesini PVM Wheels Sprockets - 36-Tooth

The Vortex 841ZK-36 is a 36-tooth lightweight aluminum rear sprocket engineered specifically for motorcycles equipped with Marchesini and PVM aftermarket wheels. Using a 5-bolt, 100mm bolt circle pattern with 10.5mm bolt holes and a 76mm hub diameter, this sprocket is purpose-built for the aftermarket wheel bolt pattern and will not fit standard OEM wheels.

Key Features:

• 36-Tooth rear sprocket for fine-tuned final drive gearing
• 100% CNC manufactured in the USA from a specially formulated aluminum alloy per Vortex specifications
• Black anodized with machined accent finish for corrosion resistance and aggressive aesthetics
• Vortex patented tooth design for increased sprocket longevity and reduced wear
• Reduces rotating mass compared to stock steel sprockets, improving acceleration and deceleration response
• 5-bolt aftermarket bolt pattern — compatible with Marchesini, PVM, and select other aftermarket wheel hubs
• Bolt circle: 100mm | Bolt hole diameter: 10.5mm | Hub diameter: 76mm

The 841ZK series is Vortex's dedicated solution for riders running premium aftermarket wheels who demand the same race-proven sprocket quality trusted by professional superbike teams. Lightweight, precise, and built to last, this sprocket is an ideal upgrade for street and track use alike.