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Road Bike Frames, Wheels & Components / Re: VeloBuild VB-R-268 frame
« on: April 19, 2024, 02:58:27 PM »I can see that I am not the only one having issues with rear caliper mount. How do you guys manage it? Do you have any clever tips to align it? Usual methods i.e. tightening mounting bolts with a brake engaged with or without metal shim doesn't work.
Here are my steps, assuming after a fresh and proper brake bleed:
Step 1: Re-seat/Recess the pistons fully back into the caliper. Very important step.
Step 2: Loosen the caliper bolts.
Step 3: Firmly engage the brake to the rotor. I usually squeeze about 4-5 times to fully engage the pistons.
Step 4: Torque calipers bolts while brakes are engaged. Release brakes.
Step 5: Spin the wheel and inspect any rotor imbalances or brake rub. A white strip of paper behind the caliper really helps.
Step 6: Slightly loosen the caliper bolts and use metal shim.
Step 7: If that doesn't work you can also use a very thin plastic/paper one sided shim on either side of the rotor. Rotor shims can also be helpful if the wheel hub in general is too far offset/off-center at either side.