PBR Standard C45 Steel 4390 - 428 SprocketRef : PBR01101A / 1125394001

The PBR standard C45 steel sprocket 4390 - 428 is a robust part designed for the transmission of roadsters and urban machines. Drawing from PBR's competition experience, it focuses on simplicity and durability: 56 teeth, 428 chain pitch, and a black finish for a sleek and protective look on your swingarm.

• Material: C45 steel for good mechanical strength.
• Teeth: 56 teeth, 428 pitch — standard mounting.
• Finish: black color, resistant to corrosion and abrasion.
• Manufacturing: strict process and quality raw materials.
• Manufacturer reference: 4390 56 F

Designed to withstand the stresses of a chain transmission, this sprocket is suitable for urban and roadster use where reliability and longevity are sought. Its design minimizes friction against the chain, contributing to more uniform wear of the transmission components when properly mounted and maintained.

Compatibility (examples): SHERCO SM 50 RS SILVER (2025), SHERCO SM 50 RS FACTORY (2025), SHERCO SM 50 RS BLACKMOON (2025). Check the pitch and teeth before installation to ensure compatibility with your motorcycle.