https://www.t-rex-racing.com/Triumph-Rocket-3-GT-R-Engine-Guard-Crash-Cages-p/n15-20eg.htm
PS: I always hated how t-rex designed their stuff. Their designs are more for dirt/AVD motorcycles, but when they do something sporty or for cruisers, it still looks like for AVD still, thus, a mismatch...