Tienly Motor Infinity U-30000 ( LS/HT, Long Axle )

– Helix shaped rotor drawing air inside to keep motor cool, also preventing carbon / oil residue accumulation – High performance magnet – Pinion gear included – Suitable for battery packs up to 12V – Recommended spring rating at 12V: M80-M190 – Safe rate of fire with M120 spring : 20 plus /-2 rounds – 30000 RPM