80 BCD Narrow wide chainrings are specially designed for the 80BCD SRAM cranks.
IMPORTANT: While placing order, please leave a comment if you need it compatible with a normal chain or 12-speed (incl. Shimano HG+ & SRAM AXS Flattop)

  • Narrow wide system : thanks to the variable thickness of the teeth, the chain is hold from dropping even in rough sections!
  • Smooth spinning compared to a classic chainring thanks to the special design of the teeth profile.
  • Increased chain retention during strong jolts thanks to the improved teeth height.
  • Mud evacuation system for a top performance whatever is the weather.
  • Gain 150 to 400 grams on your bicycle weight when going from a classic configuration (with front derailleur and chain guide) to a single front chainring made by Amber Bikes.
  • Made from hard wearing aluminum alloy.

Technical specifications
  • Material: 7075-T6
  • Manufacturing: CNC Milling
  • Weight (+/-1g):  37g (28T), 38g (30T), 46g (32T), 56g (36T).
  • Weight Oval (+/-1g):  37g (28T), 45g (30T), 52g (32T).
  • Chainline (mm): 46mm (28T), 46.2mm (30T), 46.9mm (32T), 48.4mm (34T).
  • Chailine Oval (mm): 45.5mm (26T), 46.5mm (28T), 47.6mm (30T).
  • Compatible with: 80BCD SRAM cranksets
  • Surface coating: Colored anodized