Supersprox RFA179245BLK Edge Rear Sprocket 45T Black Aluminum

The Supersprox RFA-179-45-BLK Edge Rear Sprocket is a high-performance replacement rear sprocket engineered for riders who demand reduced unsprung weight and precise power delivery. Featuring a 45-tooth count in a striking black anodized finish, this sprocket is built to deliver exceptional durability and performance on the street or track.

Key Features:

• 45-Tooth Rear Sprocket – Optimized gearing for acceleration and low-to-mid range torque
• Supersprox Edge Design – Features a lightweight aluminum outer ring with a steel inner carrier, combining the weight savings of aluminum with the wear resistance of steel at the chain contact surfaces
• Black Anodized Finish – Corrosion-resistant finish adds a clean, aggressive look while protecting against the elements
• Precision CNC Machined – Tight tolerances ensure smooth chain engagement and extended sprocket life
• Direct OEM Replacement – Designed for drop-in fitment with no modifications required

The Supersprox Edge sprocket series is a popular upgrade among sport bike, motocross, and street riders looking to reduce rotating mass without sacrificing longevity. The bi-material construction is a Supersprox patent, bonding a hardened steel insert into a lightweight aluminum body for a best-of-both-worlds solution.