JT Sprockets Rear OE Steel T51 #420 JTR461.51 Zeta Sprockets are heat-treated and induction

Sprockets are heat-treated and induction hardened to maintain tooth integrity over long periods of operation

Protect your engine cases and frame rails from rocks and debris with this rugged skid plate for CRF250/450R 10-17/09-16

SDH pin treatment creates a hard chromium carbide layer for exceptional wear resistance

Superior shell plating ensures easy removal even after extended use

JT Sprockets Rear OE Steel T51 #420 JTR461.51 Zeta Sprockets are heat-treated and inductionThis 420 pitch rear sprocket features 51 teeth, making it an excellent choice for those looking to modify their final drive ratio for better climbing or acceleration. The steel construction ensures it remains reliable through heavy use. Heat treated carbon steel provides a rugged surface for off road or urban use. Precision cut teeth ensure the chain seats perfectly for maximum power transfer. High quality finish helps to shed mud and debris during