Blackspire snaggletooth nw oval chainring xt m8000when youre attacking the trails hard, the xt m8000 compatible snaggletooth nw oval chainring from blackspire delivers reliable chain grip and consistent performance. Even over tough tree root sections and rock gardens, it makes the most of your mountain bike's mtb's 1x drivetrain so you get up to speed quickly and climb efficiently.highly efficient oval shaped chainringconstructed from cnc'd 7075 t 6 aluminum for low weight and high durability, this strong and irregular shaped chainring is specifically built to be used with shimano's xt m8000 cranks. When working in tandem with modern clutch derailleurs, the possibility of chain drops is removed, making for a strong and confidence inspiring ride.  features material cnc machined 7075 t 6 aluminium finish anodised black compatibility shimano deore 5100 6000, xt m8000, xtr m9000 cranksets speed 1x9, 10, 11, or 12 speed drivetrains bolt circle diameter bcd 4x96mm shimano specific asymetric chainring type narrow wide oval chainring ovality dimensions 12 13% with a timing of 115º after tdc top dead centre weight 226g 32tbuy blackspire components from chain reaction cycles, the world's largest online bike store.