Wide Black 40mm Axle Lock Collar with Shoulder and 8mm Keyslot

Expand your kart's stability with this 40mm wide black lock collar, at 35mm thickness for maximum contact. The subtle shoulder aids bearing seating, while the 8mm keyslot locks against rotation, ensuring every ounce of engine power hits the track.

• Black anodized finish for enduring style and protection
• Two-piece split design simplifies axle work
• Slight shoulder prevents bearing preload issues
• Wide body enhances clamping pressure distribution

Racers targeting top podiums use it to dial in rear-end geometry, boosting cornering grip and straightaway pull. Its broad profile reduces point loads, extending component life and cutting downtime. Perfect for high-horsepower classes, it organizes setups for quick tweaks between heats. Embrace the edge in precision engineering for lap record challenges. SKU: LC40B-WIDE

Versatility across chassis makes it a versatile pick for evolving teams.

Frequently Asked Questions

Q: Why does this axle lock collar feature an 8mm keyslot?

A: The 8mm keyslot is designed to lock the collar onto the axle keyway. This prevents the collar from rotating independently of the axle, ensuring that your rear-end geometry remains consistent under high-torque conditions.

Q: How does the shoulder on this collar help with bearing setup?

A: The slight shoulder is engineered to seat against the inner race of your axle bearing. This helps prevent bearing preload issues, ensuring the axle spins freely while maintaining proper lateral positioning.

Q: Is this collar compatible with all kart axles?

A: This collar is specifically designed for 40mm diameter axles. Please verify your axle size before purchase, as it will not fit 30mm, 50mm, or 1-inch axles.

Q: What is the advantage of the two-piece split design?

A: The two-piece split design allows for quick installation and removal without needing to slide the collar over the end of the axle. This makes it much easier to adjust your rear track width or perform maintenance between heats.

Q: Why choose a wide-body collar over a standard width?

A: The wide-body design provides a larger surface area for clamping, which improves pressure distribution. This reduces point loading on the axle, extends the life of your components, and provides a more secure hold for high-horsepower racing classes.

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