PBR Steel Standard 331 - 630 Output sprocketRef : PBR00805A / 1077667001

PBR standard steel sprocket designed for chain 630, manufacturer reference 331 15 18NC. Inheriting PBR's experience in competition, this standard version 331 sprocket features a 15-tooth design suitable for classic and modern roadsters that use the 630 pitch. Its construction from 18NCD5 steel alloy provides rigidity and durability, essential for transmitting engine torque to the rear wheel.

• Material: steel (18NCD5 alloy)
• Number of teeth: 15
• Chain pitch: 630
• Type: sprocket 331, standard version
• Designed to resist corrosion and abrasion

This sprocket is aimed at riders looking for a reliable replacement part to restore or maintain the primary transmission of their roadster. The manufacturing process follows strict industrial standards to ensure a consistent tooth profile and reduce premature wear of the chain and sprocket. It mounts on the original hub; ensure to respect the torque specifications and check the chain/sprocket alignment during installation.

Notable compatibilities: HONDA CB 750 K FOUR (1977-1978), HONDA CB 750 F SUPER SPORT (1978) — please verify the reference and chain pitch before ordering to ensure perfect fit.