130 BCD (5-bolt)

130 BCD Narrow wide chainrings are specially designed for 1×9, 1×10, 1×11 and 1x12 systems and perfectly fitting the 130BCD cranckset systems with 5 bolts.

  • 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): 51g (38T), 54g (40T), 62g (42T), 69g (44T), 70g (46T), 80g (48T), 87g (50T)
  • Weight Oval (+/-1g):  53g (40T), 63g (42T), 61g (44T), 72g (46T), 89g (48T), 109g (50T), 115g (52T)
  • Compatible with 130BCD crancksets (5 bolts)
  • Surface coating: Colored anodized