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PBR, the experience from the competition Thanks to its long experience acquired in competition in c…
PBR, the experience from the competition Thanks to its long experience acquired in competition in collaboration with great teams, PBR offers a range of high quality sprockets and crowns. * Very high quality 18NCD5 steel alloy * Very resistant to corrosion and abrasion * Reduced friction * Very strict manufacturing process | Article: PBR Rear sprocket Steel Standard - 420