- injection molded plastic with reinforced durability

2 x clamp sleeves (Ø12 and 16 mm)

Standard length and long sleeves

you can also travel in them even on really hot days

For the ultimate crash resistance

PBR Standard C45 Steel Rear Sprocket 289 - 520 289 48 C45 aprilia-mana-850-gt-850-2013-esi4680560 - injection molded plastic withRace 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 Materials: Steel Rear Teeth: 48. 0 Rear Type: 289 REAR Version: Standard