RUNFAST TM 2-STROKE 2-STROKE MOTORIZED BIKE YD-100 KIT WITH BIG POWER PIPE

A MEGAPOWERED RUNFAST TM 2-STROKE 2-STROKE MOTORIZED BIKE YD-100 KIT WITH BIG POWER PIPE for converting your bike INTO A MOTORIZED BIKE!WHY RUNFAST IS THE HIGHEST QUALITY MOTORIZED BIKE ENGINE KIT IN THE WORLD?Heavier, stronger magnet rotor for more power! Other cheap bike engines use weaker, less powerful magnet rotors. Feel the difference! Heavier, thicker cylinder bodies and crank case for strength and durability!Heavy duty metal engine casing for added strength and durabilityWider front mount for better bike fitting accommodations of all bikes Front and rear mounting studs are rugged thick 8mm. Cheap low quality kits use thin, brittle studs that break off.Enhanced universal motor mount clamp bracket for seamless bike tube front mounting.High quality advanced u-bolt 8mm universal motor mount plate 8.8 grade 8mm bolts and nuts for ultra hold and gripHigh grade 8.8 standard for all bolting hardware. The low quality cheap kits use 4.4 grade that strip threads easily. Balanced, heavy du