Hardened 4130 Cr-Mo steel construction ensures long-lasting durability
Precision CNC machining delivers accurate roundness and tight tolerances for smooth operation
Certified for Japanese 250 keirin racing, meeting professional standards
Gen3 tooth profile provides good durability and efficient chain engagement
Offset 6 mm allows compatibility with sprocket spacers for optimized chain line
Summarized by Shop
A medium level track cog made from hardened Cr-Mo steel. Precision CNC machined for accurate roundness and tolerances. A great performing sprocket at an affordable price. Note: 20t track sprockets are of a slightly older design. This is an aesthetic difference, these sprockets are the same functionally. Specifications:
