PBR Standard C45 Steel 4390 - 428 SprocketRef : PBR01255A / 1125394002

The PBR standard C45 steel sprocket 4390 - 428 is designed for the final drive of urban and roadster machines. Drawing on PBR's experience in competition, it combines robustness and a refined finish to withstand the daily demands of the road and traffic. Its black hue discreetly integrates into the rear end while offering good resistance to the elements.

• Material: C45 steel, for good mechanical strength
• Number of teeth: 60 teeth (sprocket 60)
• Chain pitch: 428, suitable for standard 428 transmissions
• Type: standard, simple mounting and replacement
• Designed to limit wear: resistance to corrosion and abrasion, reduction of friction
• Controlled manufacturing process and quality raw materials

Easy to install as an original replacement, this sprocket is aimed at riders looking for a durable part for urban or road use. Manufacturer reference: 4390 60 F. Compatible notably with SHERCO SM 50 RS (2025) models — RS Silver, RS Factory, and RS Blackmoon — as well as other machines equipped with a 428 pitch chain.