
JT Sprockets JTR1206.42 Sprocket — standard 428 steel sprocket, 42 teeth. Designed as a replacement part for motorcycle transmissions, this C49 steel sprocket is aimed at riders looking for a robust solution for their chain and sprockets. Its black finish gives it a discreet look, suitable for roadsters and 125cc machines.
Ideal for an original replacement or for modifying the gearing without surprises, it installs like a standard sprocket and complies with the chain pitch 428. The choice of C49 steel provides a combination of rigidity and mechanical resistance suitable for the demands of the transmission.
Common compatibilities: HONDA CBR 125 R (JC34) 2004 and 2005. Before installation, check the exact compatibility with your model and the chain sizing. Perfect for those looking to adjust their gearing or replace a worn sprocket while maintaining balanced road behavior.