Madd Gear "Ninja" 4.0 Scooter Deck, Black by Madd Gear. $249.00. She's ready for you! New fluted deck (30% Lighter and 30 % Stronger) with 3D Forgeed cut out forks. Alloy Core 110MM "She Devil" wheels. HIC Compression System 110MM Brake system, VX2 Clamp and K2 Bearing. Nitro comes with a FSA Orbit C alloy headset. New MGP "SHOCK" Grip Tape and "She Devil" graphics. New Fluted and Tapered 21"Bat Wing Swoop. Weighs 8.66 lbs.