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This guide is for motocross, enduro, and trials riders seeking a durable and high-value rear sprocket upgrade for their Husqvarna, GAS GAS, or KTM motorcycles. The Apico Evolite Rear Sprocket offers a significant performance enhancement through its superior construction and unique design features. While it provides a factory-level look and extended lifespan, users should verify exact model fitment, as the range covers many years and models.
| Model Part Number | BN5050TEVOBLACK |
|---|---|
| Brand | Apico |
The primary benefit is the combination of high-strength, lightweight aerospace-grade aluminum construction and a unique dirt groove designed to reduce wear and extend the lifespan of both the sprocket and the chain.
You need to verify the fitment list provided with the product against your motorcycle's exact make, model, and year. The 50T refers to the number of teeth, which affects gear ratio; this provides more acceleration but less top-end speed compared to a smaller tooth count.
Yes, it is designed to be an OEM replacement and should work with most standard aftermarket chains. However, for optimal performance and longevity, using it with a high-quality, compatible chain is recommended.
It is recommended to clean the dirt groove after every ride, especially if you ride in muddy, sandy, or dusty conditions. This ensures it functions effectively to prevent debris buildup.
The sprocket is manufactured from durable, CNC machined 7075 aerospace grade aluminum.
A 50-tooth sprocket offers a more aggressive gear ratio, resulting in quicker acceleration and more low-end torque. A sprocket with fewer teeth (e.g., 48T or 45T) will provide higher top-end speed but less rapid acceleration.
This product typically includes the sprocket only. Mounting hardware, such as nuts and bolts, should be reused from the original equipment or purchased separately if needed.
Double-check the compatibility list against your motorcycle's exact make, model, and year. Ensure no debris is obstructing the mounting points.
Re-adjust the chain tension according to your motorcycle manufacturer's specifications. Ensure the rear wheel is properly aligned.
Ensure the sprocket is clean, especially the dirt groove. Check chain lubrication and alignment. Consider if the riding conditions are excessively abrasive.
Inspect the sprocket teeth for damage or debris. Check chain roller movement and ensure all bolts are torqued correctly.
Compatibility:
This Apico Evolite Rear Sprocket (50T, Black) is designed to fit a wide range of specific motorcycle models. Please carefully check the fitment list provided in the product details to ensure compatibility with your exact make, model, and year. Key compatible brands and series include GAS GAS MC/MC-F, EC/EC-F, EX/EX-F; KTM SX/SX-F, EXC/EXC-F; HUSABERG TE, FE; and HUSQVARNA TC, FC, TE, FE, TX, FX models across various years from approximately 1990 to 2024. It is crucial to verify your specific motorcycle's compatibility before purchase.
Setup:
Installation should be performed by a qualified mechanic or an experienced rider. The sprocket is designed as an exact OEM replacement. Ensure the old sprocket is removed cleanly and the mounting surface is free of debris. Use appropriate torque settings as specified by your motorcycle manufacturer when fastening the sprocket nuts and bolts. Always ensure the chain is correctly aligned and tensioned after installation.
Care:
To maximize the lifespan and performance of your Apico Evolite Rear Sprocket, regular cleaning is essential. After each ride, especially in muddy or dusty conditions, clean the sprocket and chain thoroughly. Use a degreaser and a stiff brush to remove all dirt and grime, paying special attention to the teeth and the unique dirt groove. A clean sprocket and chain run smoother, reduce wear, and maintain optimal power transfer. Inspect the sprocket teeth for wear regularly; replace the sprocket if signs of significant wear or damage are apparent.
