including two densities for head and side parts

Chain Type 520 XMR3Colour: Steelsemi-pressed attachmentxs-ring o-rings (afam technology) reduced friction Thanks to the Xs-Ringinforced Padsideal for -100cv bikesfor road riding from 250cc to 600cc chain_color: Steel: Steel: Steel: Steel: Steel: Steel: Steel: Chain_pitch: 520

you get durable components that withstand tough riding

and consistent performance – perfect for drivers who demand high performance and safety

PBR Tempered C45 Steel Rear Sprocket 4350 - 525 4350 45 C45T aprilia-rsv4-r-1000-2013-esi7482916 including two densities for headThe rear Sproces in C45T Tempered Carbon Steel is the PBR Sprock's Top Model for Sport, Naked and Touring Motorcycles, Developed Together with Motogp and Superbike Teams. To Ensure The Highest Quality Level, C45T Realar Sprockets Are Realized by Accurate Processing by CNC Machines and Completed by an induction Treatment Treatment on the Teeth Area, In Order to Guarantee The Highest Strength on the part in contact with the chain. The Final Result Is A