Blackspire epic chainringthe epic chainring is a high quality no maintenance mtb chainring from blackspire cut from 0125 cnc 6061 t 6 aluminium the epic is suitable for use with 6 7 or 8 speed drivetrains features cnc machined from high quality 6061 t 6 aluminium suitable for use with 6 7 or 8 speed drivetrains anodised silver finish with laser etched graphics quality no maintenance product 104mm bcd 32t buy blackspire components from chain reaction cycles the worlds largest online b