JT. Steel Standard 1586 - 525 Gearbox output pinionRef : JTC00324A / 1077287001

JTF1586.15 - JT SPROCKETS Steel Sprocket 15 Teeth (525)

Replace your original sprocket with a part designed to last. This JT Sprockets sprocket, manufacturer reference JTF1586.15, is machined from high-strength SMC420 steel to withstand the stresses of the transmission and minimize wear. Designed for drivetrains equipped with a 525 pitch chain, it maintains the original gearing with its 15 teeth while offering precise finish and fit.

• Material: steel (SMC420 alloy)
• Number of teeth: 15
• Chain pitch: 525
• CNC machining for an exact profile and increased longevity
• Version: standard sprocket (type 1586)

Suitable for roadsters and demanding street machines, this sprocket is a reliable solution for periodic replacement or when changing the gearing. Its lightweight design and precise machining facilitate installation and alignment on the output shaft, limiting play and friction. It is particularly compatible with models listed, such as several YAMAHA YZF‑R6 (RJ27, RJ15, RJ11).

Manufactured by JT Sprockets, it is aimed at riders who care about the quality of their final drive — to confidently hit the road with a clean and efficient transmission.