Supersprox 47T Black Aluminum Rear Sprocket 420 Chain Fits Suz/Yam

Description

• Real Factory Team specification parts from the company supplying real factory teams
• Grooved tooth design for off-road applications, just like our factory racing parts, allows fast dirt removal
• Made from SCM-435 Carbon FREE steel and impregnated to guarantee zero breaking risk and extended sprocket life
• Includes orange and blue discs
• Edge countershaft sprockets available for select models as noted
• Fully lightened with radial holes for off-road and street applications
• Edge sprockets feature aluminum core inserts that are used models using a compression washer for mounting; aluminum core is not used with circlip fitment
• Ultra-hard surface layer (0.5mm) reduces friction to prevent power loss caused by chain drag