Shimano XTR FC-M9000/M9020 38T Chainring - 96mm BCD - 38T-AW Teeth_30T BR-M416-A) for less opportunity of

BR-M416-A) for less opportunity of pad rubbing noise

For use with 10-speed HG-X MTB chains only

in combination with SnakeSkin sidewall protection Schwalbe call it Double Defence Technology

"Double Shielding" puncture protection

Diamond Tread

Shimano XTR FC-M9000/M9020 38T Chainring - 96mm BCD - 38T-AW Teeth_30T BR-M416-A) for less opportunity ofShimano XTR FC M9000 M9020 38T Chainring 96mm BCD For use with Shimano XTR FC M9000 11 speed double chainsets with a 38 28T set up. Dynamic Chain Engagement (DCE) is used to hold the chain and help prevent chain jump out. This is achieved by using a broader and taller tooth profile in conjunction with a special hooked leading edge and alternate profiled tooth shaping. This provides superior chain retention, lower driving sound, increased durability