Home Products Chainring parts P/No: LN-24 : MTB Narrow Chainring LN-24 P/No: LN-24 : MTB Narrow Chainring MTB Narrow wide ChainringP/No: LN-24Narrow Wide ToothBCD: 104mm. For 9-11SChainring: 30, 32, 34, 36, 38TChainline: 50.5mm (48.5mm for 30T) 580725