North Shore Billet 1X 64/104 BCD Variable Tooth Chainring

The 1x 64/104 BCD variable tooth chainrings are compatible with all 9, 10, 11, SRAM and Shimano drivetrains, and 12-speed SRAM drivetrains (not T-Type).

Features:

• Machined from solid 7075 T6 Aluminum
• Anodized Black with Laser Etched Graphics
• Precision CNC Machined in Whistler, B.C.

Compatibility:

• All 9, 10, 11, SRAM and Shimano drivetrains
• 12-speed SRAM drivetrains (not T-Type)

Specifications:

• Bolt Diameter Circle: 64 mm (64 BCD) / 104 mm (104 BCD)
• Bottom Bracket Types: BB30 / GXP / Boost
• Chainline: This varies with your crankset
  • 28T: Fits any standard 64/104BCD cranks. The 28T chainring uses 64 mm BCD to mount onto the crank arm and is offset 5 mm to a 49 mm chainline
  • 30T: ~50 mm on a 2X10 mid-ring mounting position
  • 32T, 34T, 36T, 38T: ~52 mm on a 2X10 mid-ring mounting position
• Weight:
  • 28T: 45 g
  • 30T: 45 g
  • 32T: 40 g
  • 34T: 45 g
  • 36T: 55 g
  • 38T: 65 g