JT. Steel Noise-Free 1591 - 525 Gearbox output pinionRef : JTC00004A / 1022187

JT Sprockets Steel Anti-Noise Sprocket 1591 - 525 (Manufacturer Part No: JTF1591.16RB)

Replace your original sprocket or change the gearing with this JT Sprockets sprocket, designed for road use and roadsters. Made for a 525 chain, it features 16 teeth and a design focused on longevity and sound comfort, without compromising the robustness required for transmission stresses.

• Material: steel (SMC420 alloy) for strength suitable for chain demands.
• CNC Machining: precise tolerances for a consistent tooth profile and controlled wear.
• Anti-noise version: profile designed to limit vibrations and reduce transmission noise.
• Type 1591, pitch 525, 16 teeth — compatible with many roadster configurations.
• Optimized and lightweight design to limit rotating masses without compromising the part.

This sprocket is aimed at riders who want to maintain a healthy chain and reliable transmission on their Yamaha MT-09, MT-09 SP, or R9 (2025 models listed among common compatibilities). Check compatibility with your model and setup (sprocket/axle) before replacement.