Vortex 255B-43 Black 43-Tooth 520-Pitch Steel Rear Sprocket

The Vortex 255B-43 is a 43-tooth, 520-pitch steel rear sprocket finished in an attractive electro-plated satin black. Engineered by Vortex Racing — a U.S.-based manufacturer trusted by professional race teams worldwide — this sprocket delivers the ideal balance of durability, weight savings, and long-lasting performance for motorcycle street and track use.

Key Features:

• 43-tooth, 520-pitch rear sprocket for precise chain compatibility
• Carbon steel alloy construction per Vortex specification for superior strength and longevity
• Electro-plated satin black finish for corrosion resistance and clean aesthetics
• Hardened teeth for extended wear life under demanding conditions
• Cupped/lowered surface design removes unnecessary material to reduce weight without sacrificing strength
• Laser-cut Vortex design for a precision fit and distinctive appearance
• 100% quality-controlled manufacturing to the tightest industry tolerances

Vortex Racing components are proven at the highest levels of competition, with parts tested on the track with direct feedback from top professional race teams worldwide. The 255B-43 is an excellent OEM-replacement or gearing upgrade sprocket for riders looking to fine-tune acceleration or top-speed performance.