Brushless Motor Sensor Lead Wire, Super Flexible (175mm) These brushless sensor cables are made from high quality 28 gauge silicone insulated wire and tube. These units are extremely flexible and will not tweak 12th scale and pan cars. The silicone construction makes this burn resistant to those soldering irons and is crimped at the insulation (not just the conductor) for greater durability. We were trying to figure out how to show that these sensor leads were a LOT more flexible than a standard brushless motor lead. We came up with this simple demonstration. We just put it on the scale and compressed it to about the same height. Look at the difference in how much force it took to bend the standard lead compared to the Super Flexible lead. Pretty much sums it up. That flexibility is going to help make your car work better by not tweaking it and allowing smoother, more un-resisted flex. Result? a more consistent and better handling car.