Thanks to its long experience acquired in competition in collaboration with great teams, PBR offers a range of high quality sprockets and crowns.
< li>Very high quality 18NCD5 steel alloy
Very resistant to corrosion and abrasion
Reduced friction
Very strict manufacturing process
< br>Crown type 4412 Chain pitch 420 Composition Steel Number of crown teeth 52 Standard rear sprocket version Color Black Quantity of teeth 52 teeth< br>