ITEM DESCRIPTION: # 25 / 25H 138 & 142 link Chain used with 47cc & 49cc engines found on found on various mini and micro machines such as X1 X2 Mini Moto Quad Pocket, Mini Pocket Daytona style pocket bikes Dirt Monkey Pocket Rocket CAG MTA1 Cogllari, MTA-2 MX-3 MTA-3 GP-RSR, MTA-4 A-4 Quattro S4-Cobra, Evolution, Giovanni, Terminator, Raptor, Blade & and many more.