Spacers so you can adjust for chainline
fits shimano 8 and 9 speed cassette hubs
16 tooth and 18 tooth included, so you can get the right gear.
The cogs are drilled to save weight
Suitable for use with singlespeed, 6, 7 or 8 speed chain. Many 9 speed chains are too narrow for the cogs.
Write Your Own Review
If you have purchased or received an incorrect product, if you need to replace or activate the conventional warranty open an RMA request using the Returns Management module in your Account