PBR Standard C45 Steel Rear Sprocket 334 - 530 334 48 C45 derbi-boulevard-150-150-2007-esi8045246 This neck collar from Macna

This neck collar from Macna offers both comfort and functionality with its welding transport material and stretch panels that ensure a perfect fit

Cooling and protective fibers

Air intake with zipper on the upper arm and Airscoop system that allows air to pass through but blocks rainwater thanks to its layering technique

Adjustable: Velcro wrap

Reflex panels and durable carrying handles

PBR Standard C45 Steel Rear Sprocket 334 - 530 334 48 C45 derbi-boulevard-150-150-2007-esi8045246 This neck collar from MacnaRace experience Thanks to many years of competition experience, PBR developped a wide range of high quality sprockets in collaboration with top teams. High quality steel alloy 18NCD5High wear resistance Reduces frictions High precision manufacturing Chain pitch: 530. 0 Color: Black Material: Steel Rear teeth: 48. 0 Rear type: 334 Rear version: Standard