Eclat sylar sprocketthe sylar is supplied with adaptors so it can be run on 24 22 and 19mm spindles the sink on the backside of the sprocket helps to maintain a perfect chain alignment on all set ups features material full cnc 7075 t6 alloy thickness 635mm axlebore 23 8mm weight78g 27t 82g 28tbuyeclat components from chain reaction cycles the worlds largest online bike store