Vortex 840ZR-53 Aluminum Rear Sprocket 53T 530 Chain for BST Wheels Silver

The Vortex 840ZR-53 is a lightweight aluminum rear sprocket engineered for use with BST and other aftermarket wheels. Featuring a 53-tooth configuration for a 530 pitch chain, this sprocket is CNC-machined in the USA from 7075 T6 aerospace-grade aluminum and finished in a silver anodize for a clean, corrosion-resistant appearance.

Key Features:

• 53 teeth — 530 pitch chain compatibility
• 7075 T6 aerospace aluminum construction for maximum strength-to-weight ratio
• Silver anodized finish prevents corrosion and adds visual appeal
• 100% CNC manufactured in the USA to tight tolerances
• Vortex patented tooth design for optimized chain engagement and extended sprocket life
• 5-bolt mounting pattern with 10mm holes, 100mm PCD, and 76mm sprocket ID
• Compatible with BST, Marchesini, OZ-Racing, Rotobox, and similar aftermarket wheels
• Reduces rotating mass for improved power transfer to the wheel

Vortex Racing has been a trusted name in motorsports components since 1995, and the 840 series rear sprocket is built to meet the demands of road racing, track days, and performance street riding. The reduced rotating mass compared to steel sprockets helps put more power to the pavement.