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Brake to Wheel Clearance Tutorial
Before you buy, regardless of wheel size, you must confirm brake system to wheel clearance before purchasing a Brembo Performance system.
These CAD drawings represent the clearance of an Original Equipment (left) brake system compared to a GT system with inadequate clearance (middle), and one with proper clearance (far right).
Brembo Performance brake systems are always designed to maximize wheel fitment. However larger components are often required to meet performance parameters determined by Brembo engineers, so it may be necessary to utilize a wheel spacer or to upgrade to an aftermarket wheel with adequate clearance. There are a number of variables that can affect wheel clearance including wheel diameter, wheel offset, and wheel design.
In order to determine if a wheel has adequate clearance, please follow the instructions below or download a printable copy of these instructions by clicking here.
PRINTING THE TEMPLATE
MEASURING YOUR WHEEL
The kit number is shown on the lower right, and all measurements are shown in millimeters. The diagrams are shown at full scale, but once they have been printed these measurements must be confirmed before use. We colored in the CAD drawing to help make it easier to understand the brake assembly cross section. The red area represents the rotated profile of the caliper, the dark grey colored area is the bell, and the silver area is the disc.
The A dimension is 34.9mm The B dimension is 134mm The C dimension is 220.7mm
In this example, the clearance diagram has the center of the wheel marked with a yellow highlighter. If you rotate the previous diagram and set it into the wheel, it would look like the diagram above that includes a wheel cut-away. That same yellow line is represented by the dashed line below. The drawing above is a cut-away of a GT system inside of a wheel on its face.
The diagrams are shown at full scale, but once they have been printed these measurements must be confirmed before use.
Place the cut-out inside the wheel well. If the cut-out is too flimsy, you may need to adhere it to a piece of cardboard to help with getting a proper gauge on your brake to wheel clearance.
Allow 3mm in all directions from the caliper to the wheel. Note: the imagery and highlighted areas is meant to be an approximation to help illustrate the tutorial.
All Brembo Performance systems are custom packaged to order, so they cannot be returned due to wheel fitment which is why it’s very important to verify brake and wheel fitment before placing your order.