The gear leg axle gets hit with heat from the brake, most of which travels by radiation. In response, we cover the gear leg tab with insulation and aluminum tape. I don't have the FiberFrax remnants from the firewall build, and found that Fiberfrax isn't available in the small pieces I need for that work. Instead I found the insulation "paper" used in pottery kilns. It has the same performance numbers as Fiberfrax, can be cut with scissors (far fewer fibers in the air), and Aircraft Spruce recommended it as the new best thing. I was able to get it on Amazon, but the manufacturer dropped the Amazon relationship, so look elsewhere. Here is the description: "CGjiogujio 2pcs 6mm x 12" x 13" Ceramic Fiber Heat Insulation Blanket Paper". I paid $18.50 and got twice what was required for the two gear legs.