SPG is now offering the “Black” concept snowmobile build for the Nytro. The “Black” is a concept of transforming a snowmobile into a purpose built snowmobile for the specific conditions it will be ridden in. The new Nytro MTX 153 machines will include agusseted front sub frame, Camoplast Challenger Extreme tracks, under tunnel exhaust, freeride seat, black powder coated tunnel, Airframe running boards, Concept front suspension w/Evol R shock package, Timbersled rear suspension, Airframe hood, OFT Racing wheels, and many more features. These machines are completely disassembled, modified, and reassembled. This can be applied to new or used machines.