Durable Shimano freewheel for threaded Single Speed or BMX hubs. Compatible with thin 3/32" and 1/8" chains.
• Hard-wearing Chrome-moly Steel Sprocket
Dura Ace has represented the state of art of bicycle components under Shimano since 1973. Over the past 40 years, Dura Ace has tested and developed many excellent components that delivers concentration, control and confidence with slick, fast, accurate performance.