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About Us


BG Developments has been CNC machining bells, discs and calipers for nearly 40 years.


Over that time we have developed our machining capability with over 20 CNC lathes and mills and 3 dedicated 5-axis machines for precision machining of complex parts.

In 2020, the CNC facility manufactured 20,000 bells to more than 500 designs.



For the last 10 years, BG Developments have increased its machining capacity and capabilities annually. The level of investment has also increased year on year, and as of 2021 we have three 5-axis machining centres. Proving invaluable, they are used on complex parts where the relationship between the different machining datums is important (such as caliper hydraulic passageways or historic disc gun drilling).


3-D printing

To enable us to re-create more accurately brake calipers and discs that are no longer available, BG Developments have invested in new technology in 2019.
This includes new solid modelling software, scanning capabilities and 3D printing.
The Makerbot 3D printer can print in a variety of different plastics, most of which can easily be machined to take threads enabling a complete caliper to be scanned, modelled, 3D printed and assembled to the vehicle to test the installation.
This technology is also being used to produce prototype brackets for the brake kits to allow a trial install much earlier in the project, eliminating potentially costly fitment issues.


Laser Etching

For some projects customers have requested specific logo's which we can also accommodate. For some years now BG Developments have been using lasers to product mark. The two Electrox machines allow permanent marking onto aluminium. steel, plastic and even wood!


The laser has the advantage that it permanently marks the part without damaging it, as there is minimal surface penetration. 

Laser etching is impressively quick, typically only taking a few seconds to mark the part - often taking longer to set the part up in the correct orientation compared to marking.

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Since 2006, BG Developments have been using the latest CMM technologies to measure parts and suspensions

In 2020, we invested in the latest automated CMM in order to help take measurements from parts to the highest degree of accuracy and repeatability. 

Using a CMM to provide the most precise of measurements, the axiom-too allows us to attain our ISO 9001-2015 certification. By using this we can guarantee the most accurate of measurements and therefore provide the highest quality product to our customers. Using this machine in place of handheld measuring tools allows us to take these measurements to an accuracy of 2 microns repeatably.

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