RFX Race 15 Teeth Gearbox output pinionRef : RFX01198A / 1123262003

Manufacturer part number: FXFS 21-15 55ST — RFX Race Sprocket 15 teeth

Designed for demanding riders and racers, this RFX Race front sprocket is CNC machined from alloy steel and hardened to 60 HRC for excellent wear resistance. Its 15-tooth design with a 520 pitch is aimed at quad, motocross, and roadster applications where transmission reliability is crucial. Silver finish, standard version, with models featuring lightweight holes to reduce rotating mass without compromising mechanical integrity.

• Material: cemented alloy steel, heat treated
• Hardness: ~60 Rockwell (HRC)
• Teeth: 15 teeth
• Chain pitch: 520
• Version: standard, silver color
• Machining: CNC for tight tolerances

Ideal for replacing an original front sprocket on many 520 machines. Common compatibility examples: YAMAHA YFM 350 RAPTOR 2WD (2013), KAWASAKI KDX 200 (2006), YAMAHA YFM 125 GRIZZLY 2WD (2012). Always check references and spacing before installation.

Robust and precise, this RFX sprocket is aimed at riders who want a reliable drive component for their trail rides, outings, or motocross sessions.