Strobe function when titing

Holding diameter: 9

and back protectors included

Aramid fiber reinforcement on the back - For extra durability and protection

Adjustable Sign Angle and Blinker Width

PBR Standard C45 Steel Rear Sprocket 478 - 520 478 42 C45 yamaha-neo-s-4-la-poste--sa40--50-2013-esi6299028 Strobe function when titingRace Experience Thanks to Many Years of Competition Experience, PBR Developted A Wide Range of High Quality Sprocks in Collaboration with Top Teams. High Quality Steel Alloy 18NCD5high Wear Resistance Reduces High Precision Manufacturing Chain Pitch: 520. 0 Color: Black Material: Steel Rear Teeth: 42. 0 Rear Type: 478 REAR Version: Standard