PBR Ultra-Light Aluminium Rear Sprocket 4447 - 525 4447 42 L Back protector and protections you get a powerful solution

you get a powerful solution for all driving conditions

👉 D4 – For those who drive long

High performance woven fiberglass packing

has an anti-replacement and is equipped with a Pinlock® 30 lens

0 Outer diameter diameter: Ø 30

PBR Ultra-Light Aluminium Rear Sprocket 4447 - 525 4447 42 L Back protector and protections you get a powerful solutionRace experience Thanks to many years of competition experience, PBR developed a wide range of high quality sprockets in collaboration with top teams. High wear resistance Reduces frictions High precision manufacturing Use of top quality gross material Chain pitch: 525. 0 Material: Aluminium Rear teeth: 42. 0 Rear type: 4447 Rear version: Ultra light