Vortex 526AZKV4-45 CAT5 Aluminum Rear Sprocket 520 Pitch 45T

The Vortex 526AZKV4-45 is a CAT5 series aluminum rear sprocket featuring a 520 chain pitch and 45-tooth count. Engineered for performance-oriented street and track riders, this sprocket is 100% CNC machined in the USA from a specially formulated aluminum alloy per Vortex's exacting specifications.

Key Features:

• 520 Chain Pitch – 45-tooth rear sprocket for optimized gearing
• Lightweight Aluminum Construction – Significantly reduces rotating mass compared to OEM steel sprockets, improving acceleration and handling response
• Anodized Finish with CNC-Machined Silver Accents – Anodized first, then precision machined to reveal contrasting silver highlights
• Vortex Patented Sprocket Design – Unique tooth geometry engineered to increase sprocket longevity and chain engagement
• 100% CNC Manufactured in the USA – Tight tolerances for consistent, reliable performance
• Specially Formulated Alloy – Material developed to Vortex's proprietary specifications for optimal strength-to-weight ratio

The Vortex CAT5 aluminum sprocket is a trusted upgrade for riders looking to reduce unsprung and rotating weight while adding a distinctive look to the drivetrain. The MPN 526AZKV4-45 designates the specific hub bolt pattern, anodized color variant, and 45-tooth configuration within the CAT5 lineup.