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Sprocket safety device for motocross and enduro - securely fastening the drivetrain

( number of products: 21 )
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The sprocket locking system (front sprocket locking system or retainer) is a small but extremely important element that is responsible for keeping the front sprocket (output) in the correct position on the output shaft. In motocross and enduro, the drive works under enormous load, so solid protection of the sprocket is crucial for the safety and durability of the entire system. At Bajamoto you will find locks, nuts and washers from the best manufacturers: Zeta, Accel, JT and in OEM replacement versions for KTM, Honda, Yamaha, Husqvarna, GasGas, Kawasaki and Suzuki motorcycles.

Why is sprocket protection so important?

When riding off-road, the front sprocket transfers hundreds of revolutions per minute and huge pressure forces. Without proper protection, the nut may loosen, the output shaft may be damaged, and in extreme cases, the drive may break. Well-chosen security ensures:

  • secure and stable mounting of the sprocket on the output shaft,
  • protection against unscrewing the nut while driving,
  • protection of the shaft thread and sprocket seat,
  • lower level of vibration and noise in the drive,
  • safe and smooth operation of the drive system.

Types of rack protection

  • Bent washers (locking washer) – the most common OEM solution, used in KTM, Honda, Yamaha,
  • Snap rings – light and effective, mounted directly on the shaft groove,
  • Self-locking nuts – equipped with a locking mechanism, ideal for enduro motorcycles
  • Bolt retainers – screw-on metal locks with thread, used in KTM and Husqvarna models,
  • Security sets – complete sets (nut, washer, screw, retainer) for a specific motorcycle model.

The best manufacturers of motocross and enduro sprocket protection

  • Zeta – precise, anodized aluminum sprocket protection with the ZETA Racing logo; light and durable,
  • Accel – OEM replacement screw sets and washers, suitable for Japanese motorcycles,
  • JT – steel washers and locking rings with increased hardness,
  • OEM – original protections used in KTM, Honda, Yamaha and Husqvarna – perfect fit and durability.

How to choose a sprocket protection for a motorcycle?

At Bajamoto you will find sprocket protection dedicated to specific motorcycle models. The most common mounting systems:

  • KTM EXC/SX/SX-F – retainer attached with screws (Zeta, Accel),
  • Husqvarna TE/FE/FC – aluminum lock with threaded mountings,
  • Honda CRF 250/450 – bent washers or JT circlips,
  • Yamaha WR-F/YZ-F – Accel self-locking nuts and washers
  • GasGas EC/MC – retainer sets + FM-Parts/OEM screws.

Installation and maintenance

Always install sprocket locks with the appropriate tightening torque (in accordance with the motorcycle manufacturer's instructions). During service, it is worth using a thread locking agent and replacing washers and rings with new ones each time the sprocket is replaced. In the case of screw retainers, it is recommended to use screws with a hardness class of 8.8 or higher.

Safety and precision down to the smallest detail

Spring protection is a small element that guarantees confidence and peace of mind while driving. Choose Zeta - for a light aluminum structure, Accel - for simple and durable OEM solutions, or JT - for classic steel locks with increased resistance. With Bajamoto you can be sure that your drive operates with maximum precision and safety - regardless of the terrain and driving style.

#bajamoto #noibaja #cross #enduro #mx #motocross #sprocketlock #sprocket lock #zeta #accel #jt #hold the gas

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