EBC Brakes X Series Front Brake Disc - MD862X

The EBC X Series Front Brake Disc provides high performance and reliability for your motorcycle. T...

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eBayEBC S/Steel Float Full Circle X FR Brake Disc FLHS for KTM 690 SMC 4 Pad 2008-10
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Product Information

Full details

The EBC Brakes X Series Front Brake Disc (MD862X) is designed for motorcycle riders who demand high-performance stopping power and reduced unsprung weight. This floating disc utilizes advanced circular rotor blade technology to provide consistent, reliable braking in demanding conditions, though riders should note that the specialized floating design requires careful installation to ensure optimal performance and longevity.

All features

Model Part NumberMD862X
BrandEBC Brakes

Extended Product Information

FAQs

What does the 'floating' design mean?

A floating rotor uses buttons to connect the outer braking ring to the inner carrier, allowing the ring to expand outward as it heats up, which prevents the disc from warping.

Can I use these with any brake pads?

Yes, they are compatible with most aftermarket brake pads, but EBC recommends using EBC-branded pads to ensure the friction material matches the rotor specifications.

Is the MD862X a direct fit?

This model is designed as a direct replacement for specific motorcycle applications. Please verify your bike's make, model, and year against the EBC catalog before purchase.

Do I need to break in the new discs?

Yes, always perform a bedding-in process by completing several gentle stops to heat cycle the metal before subjecting the brakes to high-speed, heavy pressure.

Does the reduction in weight affect durability?

No, the weight reduction is achieved through design efficiency and materials science, not by thinning the braking surface, ensuring durability is not compromised.

Troubleshooting

Brake lever pulsing during use

Check the mounting surface for debris or ensure the rotor bolts are tightened to the correct torque specification to prevent uneven seating.

Clicking or tapping noise from the front wheel

A light tapping sound is normal for floating rotors due to the movement in the button system; however, if the sound is metallic or grinding, inspect the buttons for loose components.

Pros and Cons

Pros

  • Significantly lighter than conventional brake rotors
  • Effective at dissipating heat and preventing warp
  • Consistent and predictable braking performance
  • High-friction material improves stopping distance

Cons

  • Requires professional installation to ensure correct floating clearance
  • May produce a slight 'ticking' sound due to the floating design
  • More expensive than basic non-floating steel discs

Setup, Compatibility & Care

Installation of the MD862X should be performed by a qualified technician, as the mounting surface of the wheel hub must be perfectly clean and free of rust or debris to prevent run-out issues. Always use new mounting bolts or follow the manufacturer's torque specifications precisely when securing the disc to the hub. For care, avoid using harsh chemicals that could damage the high-friction surface. Periodically inspect the drive buttons to ensure they remain free of debris, which allows the disc to maintain its intended 'float'. If you notice excessive lateral movement, check the buttons for signs of wear.

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