RFX Race 13 Teeth Gearbox output pinionRef : RFX01199A / 1123263001

RFX Race Sprocket 13 Teeth — Manufacturer Ref: FXFS 22-13 55ST

Designed for motocross, this RFX 13-tooth front sprocket is made from CNC machined alloy steel for tight tolerances and precise coupling with your sprocket and chain. The cemented surface displays a hardness of approximately 60 Rockwell, providing good wear resistance under demanding riding conditions. Silver finish, standard version suitable for 520 chain pitch.

Features:

• CNC machining for controlled concentricity and tolerances.
• Cemented alloy steel, surface treatment for wear resistance (≈ 60 Rockwell).
• Number of teeth: 13 — allows for gearing adjustments to favor acceleration and responsiveness.
• Chain pitch: 520 — compatible with 520 transmissions.
• Version: Standard — silver color.

RFX sprockets may feature, on certain models, lightweight holes to reduce mass without compromising strength. A robust and understated replacement part, ideal for motocross riders seeking precise and durable gearing for their transmission.

Compatible Motorcycles (examples): SUZUKI RM-Z 250 (2005-2006), KAWASAKI KX 250 F (2005).