JT Sprockets Rear OE Steel T42 #520 JTR1826.42 size-90-90-18 Specially developed to maintain stable

Specially developed to maintain stable viscosity under high pressure and thermal stress

Precision-engineered components to ensure reliable operation under high-speed conditions

The nano gel technology ensures the electrolyte remains evenly distributed

The Viper Stealth design allows it to fit seamlessly into the rear pocket of most modern riding jackets

JT Sprockets Rear OE Steel T42 #520 JTR1826.42 size-90-90-18 Specially developed to maintain stableThis OE grade steel rear sprocket provides the perfect balance of weight, strength, and longevity for 520 chain conversions or standard replacements. It is designed to withstand harsh riding conditions while maintaining smooth chain engagement. Induction hardened teeth significantly reduce friction and prevent premature chain stretching. Optimised for 520 pitch chains with a versatile 42 tooth count. The steel composition is specifically chosen for