PBR Standard C45 Steel Rear Sprocket 489 - 520 489 51 C45 derbi-senda-50-r-x-race-50-2004-esi3715365 (From Bottom)

(From Bottom)

Adjustable reflex (e-marked)

ideal for motorcyclists who want A stylish and comfortable jacket with high security

Real construction - heavily powder -coated steel that resists weather

PBR Standard C45 Steel Rear Sprocket 489 - 520 489 51 C45 derbi-senda-50-r-x-race-50-2004-esi3715365 (From Bottom)Race 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: 51. 0 Rear Type: 489 REAR Version: Standard