PBR Steel Standard 2506 - 520 Gearbox output pinionRef : PBR00764A / 1077639001

PBR Standard Steel Sprocket 2506 - 520 — Manufacturer reference: 2506 13 18NC

Designed by PBR from the experience gained in competition, this front sprocket is aimed at riders looking for a robust part for their transmission. Machined from high-quality 18NCD5 steel alloy, it offers good resistance to corrosion and abrasion while adhering to a strict manufacturing process.

• Material: steel (18NCD5 alloy)
• Number of teeth: 13
• Chain pitch: 520
• Type / version: 2506, standard version
• Manufactured with a focus on durability and machining consistency

This standard sprocket integrates with 520 transmissions and is particularly suited for roadsters seeking a reliable part for the chain and sprocket. Its design minimizes friction and ensures precise contact with the chain for smooth riding in everyday use or during sporty outings.

Known compatibilities (examples): HONDA NX 250 (MD21/MD25) — models from 1990 to 1993. Check the number of teeth and chain pitch of your machine before installation.