The NSB narrow-wide chainring uses a ‘thin-thick’ tooth thickness mated with a standard chainring tooth profile to help retain the chain on the front ring during all types of riding.
These chainrings are specifically made for Shimano XTR M9000 cranksets.
Compatible with all 9, 10, 11, & 12-speed SRAM drivetrains
Compatible with all 9, 10, & 11-speed Shimano drivetrains
Precision CNC Machined in Whistler, BC