• Super strong, durable and affordable.  
• 1/8" standard size to suit all track hubs and 1/8" track chains.
• Highest quality: Made in the USA.
• Constructed from hardened steel with machined edges for a smooth running and quiet drivetrain.
• Has been a favorite of serious cyclists on both the street and velodrome for decades.
• Available in 17, 18, 19, 20, 21 and 22 tooth sizes.
• Please note, that the photos shown are of a 18T cog, but you will receive the cog size that you select. Thank you!
• Shipping from Tokyo, Japan with FEDEX Priority Express, or if you are in a remote region, UPS.