RFX Pro Series Armalite Double Compound Rear Sprocket (Steel/Aluminium) - 520 FXRS 10-51 ALRD derbi-gp1-50-open-50-2009-esi8754468 soft SAS-TEC® knuckle protection

soft SAS-TEC® knuckle protection

it fits perfectly

With one Stainless steel hose (Inox) and Gold-anodized banjo connections you get both style and improved brake response and stability

NGK Iridium IX series is the perfect choice for drivers seeking Highest possible performance and long life in its ignition system

RFX Pro Series Armalite Double Compound Rear Sprocket (Steel/Aluminium) - 520 FXRS 10-51 ALRD derbi-gp1-50-open-50-2009-esi8754468 soft SAS-TEC® knuckle protectionRFX Pro Series Armalite sprockets are designed and tested at the highest level by top World and British championship race teams. The dual ring design gives the ultimate sprocket performance, reduced weight thanks to a 7075 T6 aluminium centre and long lasting teeth life thanks to the high carbon steel outer. Armalite sprockets also feature a hexagon drive interface between the inner and outer ring, this is revolutionary technology for sprockets and