02-10 HONDA CRF450R: WORKS CONNECTION REAR BRAKE CALIPER GUARD (NATURAL) Protect your investment with the Works Connection rear brake caliper guard that is simple to install and does not break the bank. Works Connection built the rear brake caliper guard from CNC&#39;d aircraft grade 5052 aluminum for lightweight durability. No need to modify anything with this rear brake caliper guard because Works Connection includes all the hardware to easily bolt on. Works Connection designed and built the rear brake caliper guard in the USA.