Shimano DX CS-MX66 Cassette Cog

The suitable sprocket for singlespeed or BMX riding. The CS-MX 66 can be mounted on all standard Shimano and compatible freewheel bodies. Therefore spacers and a lockring are needed. The chrom-plated sprocket provides long durability. Compatible with all 1/2" x 3/32" (7/8-speed) chains.