104 BCD

104 BCD Narrow wide chainrings are specially designed for 1×9, 1×10, 1×11 and 1x12 systems and perfectly fitting the 104BCD cranckset systems.

  • 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):  36g (30T), 43g (32T), 52g (34T), 64g (36T), 65g (38T), 70g (40T), 74g (42T).
  • Weight Oval (+/-1g):  44g (32T), 46g (34T), 51g (36T), 58g (38T), 65g (40T), 70g (42T), 74g (44T), 79g (46T).
  • Compatible with 104BCD crancksets
  • Surface coating: Colored anodized