MUGEN SEIKI MRX4 Brake Disc 3Racing MRX4-21/GO Race Upgrade  [MRX4-21/GO]

Mugen Seiki MRX4 /Mugen Seiki MRX4-R Brake Disc - 3Racing MRX4-21/GO
Price:
AUD$14.21
Brand:
3Racing
Model:
MRX4-21/GO
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Sharpen your braking on the MRX4

The Mugen Seiki MRX4 Brake Disc by 3Racing MRX4-21/GO brings a cleaner braking curve to MRX4 models. Precision machining helps reduce pad chatter and gives a more predictable stop when pushing hard on the throttle and brake.

Performance focused durability

Compatible with MRX4 and MRX4-R configurations, this disc balances stopping power with longevity so you get consistent runs across multiple heats. Its build quality supports frequent track use.

Quick fitment for busy pit lanes

Designed for an accurate fit on Mugen Seiki hubs, the 3Racing disc installs without complex modifications. That means less time in the pits and more laps to tune your setup.

Does this require different brake pads?

Standard MRX4 pads will fit, but pad compound can be changed to match desired bite and wear characteristics.

Is the disc prone to warping?

Under normal use the disc maintains its shape; avoid overheating and check mounting torque to prevent distortion.

Will this change brake feel on entry?

Expect a firmer and more consistent entry as the disc reduces fluctuations in pad engagement compared with worn or lower quality rotors.

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