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Fixing Front Brake Noise on the V9 Ultra

Fixing Front Brake Noise on the V9 Ultra Rich Bit eBike

ChuckXie |

Welcome to view a short video.

1.Loosen the Brake Caliper Mounting Bolts 
》Tools: Allen wrench。
》》Slightly loosen the two main bolts securing the front disc brake caliper to the fork mount so that the caliper has room to shift and align naturally.
【Verification: Check that the caliper can wiggle slightly by hand without coming completely off the mount.】

2.Center the Caliper and Secure the Brake Lever
》Prerequisite。
》》Pull and hold the front brake lever firmly down to center the brake pads against the rotor. While keeping the brake lever held tightly, securely retighten the caliper mounting bolts.
【Verification: The caliper should now be locked tightly in place without shifting while the brake lever remains engaged.】

3.Spin and Test the Wheel
》Verification。
》》Release the brake lever and spin the front wheel freely to check if the rubbing noise is gone.
【Verification: Listen closely to ensure the disc rotor spins smoothly through the pads without any scraping or abnormal noises.】

4.Fine-Tune Adjustment (If Noise Persists):
》Optional Check。
》》If minor noise continues, inspect the caliper position and manually adjust the mounting bracket bolts slightly until the rotor rotates completely free and silent.
【Verification: Spin the wheel once more to confirm absolute silence and smooth rotation.】

⚠️Safety Warning!!
Always ensure your brake bolts are securely tightened to specification and test your brakes at low speed in a safe area before riding normally.

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