Shimano nexus single speed chainsingle speed chain with stylish oval link plate design anti corrosion treatment for longer service life specifications material stainless steel number of links 114 compatabily single speed or multi speed gear hubstype hg x10weight 362 grama 2 year warranty is offered with all shimano products from chain reaction cycles 3 years on dura ace and xtr products buy shimano components from chain reaction cycles the worlds largest online bike store