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You've got to have the right ratio for the track, and Shimano's Dura-Ace cogs come in a range of tooth counts so you can always be prepared. Manufactured from durable chromoly steel, each cog is machined to run perfectly straight.
Mon: 9:30am - 4:30pm Tue - Fri: 9:30am - 6:00pm Sat: 10:00am - 5:00pm Sun: 12:00pm - 5:00pm
You've got to have the right ratio for the track, and Shimano's Dura-Ace cogs come in a range of tooth counts so you can always be prepared. Manufactured from durable chromoly steel, each cog is machined to run perfectly straight.