This is the Shimano Dura Ace Single Speed Cog for 1/8" chains. Riders looking for the top level of performance at a low weight know that Dura Ace is as good as it gets.
1.37" x 24 tpi (Black)
Cassette Body Type:
1/2" x 1/8"
This product was added to our catalog on January 21, 2015