Vortex 825ZRV4-42 VTX Aluminum Rear Sprocket Pitch Sprockets - 42-Tooth 530 Silver

The Vortex 825ZRV4-42 is a lightweight aluminum rear sprocket engineered for use with Marvic and Galespeed aftermarket racing wheels. Featuring a 42-tooth configuration and 530 chain pitch, this sprocket is silver anodized and precision-manufactured for demanding street and track applications.

Key Features:

• 42-Tooth / 530 Pitch — designed for use with 530-series drive chains
• Aftermarket Wheel Fitment (825 Pattern) — compatible with Marvic and Galespeed wheels
• CNC Machined — 100% manufactured in the USA to precise tolerances
• Specially formulated aluminum alloy per Vortex specifications for optimal strength-to-weight ratio
• Silver anodized finish — corrosion-resistant coating for long-lasting appearance and durability
• Vortex patented tooth profile — unique design engineered to increase sprocket longevity and reduce chain wear
• Lightweight construction — reduces rotating mass for improved throttle response and power delivery

Vortex Racing rear sprockets are a trusted choice among track riders and racers worldwide. The 825ZRV4-42 is built to the same exacting standards as all Vortex sprockets, delivering reliable performance whether on the street or the circuit.