PBR Standard C45 Steel Rear Sprocket 4550 - 525 4550 42 C45 aprilia-gulliver-50--lc--50-2002-esi9460472 Check that the roller is

Check that the roller is free and spins Easily

Black 567 182 135 105 40 Black 34 Aluminum by pair

6% elastan

High quality equipment makes you feel goodless but have a durability that exceeds competitors

All helmets are delivered with ECE certification as standard

PBR Standard C45 Steel Rear Sprocket 4550 - 525 4550 42 C45 aprilia-gulliver-50--lc--50-2002-esi9460472 Check that the roller isRace experience Thanks to many years of competition experience, PBR developed a wide range of high quality sprockets in collaboration with top teams. High quality steel alloy 18NCD5 High wear resistance Reduces frictions High precision manufacturing Chain pitch: 525. 0 Color: Black Material: Steel Rear teeth: 42. 0 Rear type: 4550 Rear version: Standard