I acknowledge that the product(s) being purchased () was/were designed and intended for closed course competition use only. The product(s) is/are neither designed nor intended for use on public roads or land and is against Federal and State regulations to do so. By proceeding with this purchase, I , agree to only use the product(s) for closed course competition.
Our TST WORX 520 Lightweight Aluminum Rear Sprocket was developed to provide dramatic component weight loss and exceptional durability by combining high-quality 7075-T6 aluminum alloy with advanced manufacturing and hardening anodized finishing techniques. So whether you're riding the street or dragging elbow at the track, our TST WORX Rear Sprocket was designed to provide increased and long-lasting performance on your Kawasaki ZX-4RR or ZX-4R.
Available in 45-51 tooth counts.
Applications:
Kawasaki ZX-4RR | 2023, 2024, 2025
Kawasaki ZX-4R | 2024, 2025
This product is part of our Worx Program!
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Features
DescriptionDesigned and built by race engineers in the TST WORX race program, our Lightweight Aluminum Rear Sprocket was developed with the harshest riding conditions in mind. Our use of the best materials and manufacturing procedures ensure practical longevity while maximizing weight loss for increased performance and power delivery. The blend of high-quality material, advanced hardening procedures, lightweight design, proprietary tooth profile, and ultra-smooth tooth transitions ensure exceptional performance even during the most demanding riding situations. We produce every TST WORX Rear Sprocket from 7075-T6 aluminum alloy. This high-quality material is CNC machined using a propriety holding plate process developed to eliminate vibration during the machining process and ensuring extreme precision and material integrity. We then treat the entire rear sprocket with a matte black Type III hard coat anodizing process that penetrates the aluminum and builds an ultra-hard surface layer, resulting in a light weight sprocket with exceptional durability characteristics capable of taking on the rigorous demands of the street and track. It's time to give your Kawasaki ZX-4RR / ZX-4R the sprocket and performance it deserves. Be sure to check the "Specs" tab for even more info on tooth count, sprocket weight, and fitment. Application Spec Sheet
WORX Rear Sprocket Weight Guide
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