SuperProx 420SO Steel x 134 link - Supersprox 420SO Chain (Steel) x 134 link. ChainRef : SUP00018A / 541011341

420SO Steel Chain x 134 Links - Supersprox 420SO Chain (Steel) x 134 Links. by SuperProx

The 420SO steel chain, featuring 134 links, is designed for off-road applications such as motocross and enduro. It incorporates O-ring seals and a semi-pressed link to reduce wear and simplify installation. With a tensile strength of 17 kN and a maximum power rating of 18 hp, it provides a clear technical framework for replacement on small-displacement bikes.

Design and Materials

• Steel construction offering wear resistance suitable for off-road use
• Inner and outer plates of 1.5 mm ensuring consistent mechanical integrity
• O-ring seals reducing lubricant loss for more uniform wear
• Cross type indicating a design tailored for off-road stresses

Practicality and Features

• Semi-pressed link facilitating installation during transmission replacement
• Length of 134 links allowing adjustment of the chain according to the sprocket and swingarm
• Corresponding link reference 541019991 Quick Link 420-SO Clip for identifying the compatible part

Usage and Performance

• Tensile strength of 17 kN suitable for typical loads on engines up to 18 hp
• Axle length of 18.6 mm provided to verify mechanical compatibility during installation

Advantages

• OEM Reference CHA-420-S-O-134
• Gross weight 1.4

Examples of Compatible Motorcycles

• SHERCO 50 SE 2T RS LC CARB E5 50 cc (2025)
• RIEJU RS3 50 2T NAKED LC CARB E4 50 cc (2021)
• DERBI SENDA 50 SM 2T X-TREME LTD LC CARB E4 50 cc (2020)

Complete list of compatible motorcycles available in the dedicated section below