PBR Steel Noise-Free 2178 - 525 Gearbox output pinionRef : PBR00708A / 1077598001

PBR Steel Noise-Reducing Sprocket 2178G - 525 (Manufacturer Ref: 2178G 15 18 NC)

Designed for demanding riders, this PBR 2178G sprocket combines the robustness of steel with RSS (Rubber Sprocket System) technology to reduce vibrations and limit transmission noise. Ideal for roadster and street use, it maintains a simple and reliable construction while providing superior sound comfort during long rides.

• Material: Durable steel
• Number of teeth: 15
• Chain pitch: 525
• Version: Noise-reducing (rubber injected into the perforations)
• RSS Technology: noise reduction, rubber resistant to peeling, blend of robustness and fluidity

The rubber injected into the periphery dampens shocks between the sprocket and chain, providing a smoother transmission feel without compromising the strength needed for demanding roads. Reliable for intensive use and long journeys, this sprocket is aimed at roadster and big block riders seeking a balance between silence and durability.

Examples of applications: compatible with several high-performance 525 models — among the most common are APRILIA TUONO 1100 V4 FACTORY (2024), APRILIA TUONO 1100 V4 (2024), and APRILIA RSV4 1100 ABS FACTORY (2024). Please check the exact compatibility with your chain and motorcycle reference before installation.