RFX Pro Series Armalite Dubbele samengestelde achtertandwiel (staal aluminium) 520 Bicycle Colour: Black Pictogram: Made in Colour: Black Pictogram: Made in Europe Gender: Babies and Children 1128BMXC : 145 mm RFX sprockets are colour coded for the make of bike and also available in standard silver for each model of bike CNC Machined from 7075 aerospace aluminium