PBR Steel Standard 4729 - 428 SprocketRef : PBR01104A / 1126482002

The PBR standard steel sprocket 4729 - 428 is designed for roadsters that require a robust and reliable drive component. Drawing from PBR's competitive experience, it features an alloy of steel 18NCD5 known for its mechanical strength: resistance to corrosion and abrasion, and a machined tooth profile to minimize friction with the chain.

• Manufacturer reference: 4729 43 C45
• Brand: PBR
• Material: Steel 18NCD5
• Number of teeth: 43
• Chain pitch: 428
• Color: Black
• Type: Standard (direct replacement)

This sprocket is aimed at riders looking for a standard replacement for their drive component: tooth profile suitable for 428 chains, easy installation in place of the original sprocket. The PBR manufacturing process follows strict controls to ensure consistent geometry and controlled wear.

Practical compatibility (examples): BENELLI TORNADO NAKED T 125 (2025), KEEWAY RKF 125 (2023), BENELLI BN 125 (2025). During installation, check the chain/sprocket alignment and tension adjustment according to manufacturer recommendations.