||I use almost solely these motors for my 1/10 scale crawlers, SCX10s and Wraiths.
For an SCX10 this bolts on directly, and with a Wraith you need to dremel just a tiny bit from the back-right-upper suspension link post to make room.
These things have a TON of torque and a good amount of speed. They also last a good while.
I use 14t pinion and 87t spur on my 3,5 kg Wraith with a 4S lipo battery. The thing goes like crazy! Same thing with my SCX10, altough I use only 3S batteries with it.