PBR Steel Standard Front Sprocket 2223 - 428 Output sprocketAPRILIA 125 RS4 125 - 2010 - 2017Ref : PBR01453A / 1077616001

PBR Standard Steel Sprocket 2223 - 428 (manufacturer part number: 2289 13 18NC) — a rear transmission sprocket designed for demanding riders. Born from PBR's experience in competition, this sprocket meets the requirements of teams to provide a robust and reliable part intended for roadsters.

• Material: high-quality 18NCD5 steel alloy, machined according to a strict process
• Number of teeth: 13 teeth — standard 2223 sprocket version
• Chain pitch: 428 — compatible with transmissions using this pitch
• Designed to resist corrosion and abrasion while minimizing friction in the chain

This sprocket is aimed at owners of APRILIA RS4 125 (2015–2017) and any motorcycle that accepts a 2223 sprocket with a 428 pitch. An essential wear part of the final transmission, it is mounted as a standard replacement to restore precise gearing and longevity suitable for sustained road use. Be sure to check the chain slack and the condition of the rear sprocket during replacement to ensure smooth drive performance.