





Manufacturer reference: 2107 14 18NC
The PBR 2107 sprocket, made of standard steel, pitch 420, 14 teeth, is aimed at urban riders looking for a reliable transmission part for their 50 cc. Drawing on PBR's experience in competition, this sprocket is machined from high-quality steel (18NCD5 alloy) and manufactured according to a strict process to ensure a consistent tooth profile and precise fit on the engine shaft.
Designed for easy installation and reliable performance in the city, this sprocket minimizes friction thanks to a well-controlled tooth finish. It is particularly suitable for machines listed as examples of application: APRILIA RX 50 (2010), DERBI GPR 50 R NUDE (2008), and BULTACO LOBITO 50 (2006) — check compatibility with your model before installation.
Replace your worn sprocket with this PBR reference to regain precise chain/sprocket contact and consistent final drive response during your daily urban rides.