Shimano XTR 1x 88 BCD Variable Tooth Chainrings

The NSB narrow-wide chainring uses a variable tooth thickness mated with a standard chainring tooth profile to help retain the chain on the front ring during all types of riding. The tooth profile maintains excellent wear for a durable product and has an optimized chainline for 1x systems.

These chainrings are specifically made for Shimano XTR Race M985 cranksets.

Specifications:

• 88mm Bolt Diameter Circle (4 bolt 88 BCD)
• Bottom Bracket Types: Outboard/External Bearing Cups
• Chainline: 45mm (ring mounted inside crank)
• Machined from solid 7075 T6 Aluminum
• Anodized Black with Laser Etched Graphics

Compatible with all 9, 10, 11, & 12-speed SRAM drivetrains

Compatible with all 9, 10, & 11-speed Shimano drivetrains

Precision CNC Machined in Whistler, B.C.

Weight:

• 28T – 35g
• 30T – 37g
• 32T – 42g
• 34T – 47g