Kosida Upgrade 8Mm & 10Mm Chain Roller Tensioner Chain Roller Pulley Tensioner Wheel Guide Per For Motorcycle Mini Bike Xr125 Ssrc Rf50 Atv 125Cc 140Cc 160Cc Pit Dirt Bike (8Mm + 10Mm (Red))

?Chain Roller With Good Compatibility?Fits For Most Motorized Bicycle Bike Pit Dirt Bike Atv Quad And Most Chinese Import Pit Bikes, Fits For Most Motorized Bicycle Bike Pit Dirt Bike Atv Quad And Most Chinese Import Pit Bikes, Is A Modified Performance Good Minibike Chain Tensioner Roller, Go Kart Chain Tensioner Pulley