JT. Steel Standard 1131 - 420 SprocketRef : JTC00021A / 1074876005

Replace the original rear sprocket with a reliable part suitable for your motorcycle's transmission with the JT Sprockets JTR1131.53. This standard steel sprocket is designed for urban riders, motocross enthusiasts, and roadsters looking for a robust replacement part for the final drive or to slightly modify the gearing.

• Manufacturer reference: JTR1131.53
• Brand: JT SPROCKETS
• Material: C49 carbon steel
• Color: Black
• Number of teeth: 53
• Chain pitch: 420
• Type: Standard

Designed to fit rolling chassis equipped with a 420 chain, this sprocket installs as a direct replacement when the number of fixings and the pitch match. Its construction from C49 steel provides good mechanical strength suitable for the demands of the final drive. Ideal for 50cc models such as the RIEJU MRT 50 SM (2025), the GILERA RCR 50 (2020), or the DERBI SENDA 50 R DRD X-TREM (2019), it is also compatible with many urban and off-road models sharing the same configuration.

Before installation, check the centering diameter and the drilling pattern of your flange to ensure perfect compatibility and a hassle-free installation.