{
 "object": "roller-chain-sprockets",
 "license": "CC BY 4.0, Xem Studio",
 "les": "https://longearthsociety.com/engineering/",
 "files": [
  {
   "name": "sprocket-25-10t-b8",
   "step": "/files/hardware/roller-chain-sprockets/sprocket-25-10t-b8.step",
   "stl": "/files/hardware/roller-chain-sprockets/sprocket-25-10t-b8.stl",
   "note": "#25 chain (6.35 mm pitch), 10 T, PD 20.55, \u00d88 bore hub with M3 set screw"
  },
  {
   "name": "sprocket-25-12t-b8",
   "step": "/files/hardware/roller-chain-sprockets/sprocket-25-12t-b8.step",
   "stl": "/files/hardware/roller-chain-sprockets/sprocket-25-12t-b8.stl",
   "note": "#25 chain (6.35 mm pitch), 12 T, PD 24.53, \u00d88 bore hub with M3 set screw"
  },
  {
   "name": "sprocket-25-15t-b8",
   "step": "/files/hardware/roller-chain-sprockets/sprocket-25-15t-b8.step",
   "stl": "/files/hardware/roller-chain-sprockets/sprocket-25-15t-b8.stl",
   "note": "#25 chain (6.35 mm pitch), 15 T, PD 30.54, \u00d88 bore hub with M3 set screw"
  },
  {
   "name": "sprocket-25-20t-b8",
   "step": "/files/hardware/roller-chain-sprockets/sprocket-25-20t-b8.step",
   "stl": "/files/hardware/roller-chain-sprockets/sprocket-25-20t-b8.stl",
   "note": "#25 chain (6.35 mm pitch), 20 T, PD 40.59, \u00d88 bore hub with M3 set screw"
  },
  {
   "name": "sprocket-25-25t-b8",
   "step": "/files/hardware/roller-chain-sprockets/sprocket-25-25t-b8.step",
   "stl": "/files/hardware/roller-chain-sprockets/sprocket-25-25t-b8.stl",
   "note": "#25 chain (6.35 mm pitch), 25 T, PD 50.66, \u00d88 bore hub with M3 set screw"
  },
  {
   "name": "sprocket-25-30t-b8",
   "step": "/files/hardware/roller-chain-sprockets/sprocket-25-30t-b8.step",
   "stl": "/files/hardware/roller-chain-sprockets/sprocket-25-30t-b8.stl",
   "note": "#25 chain (6.35 mm pitch), 30 T, PD 60.75, \u00d88 bore hub with M3 set screw"
  },
  {
   "name": "sprocket-25-40t-b8",
   "step": "/files/hardware/roller-chain-sprockets/sprocket-25-40t-b8.step",
   "stl": "/files/hardware/roller-chain-sprockets/sprocket-25-40t-b8.stl",
   "note": "#25 chain (6.35 mm pitch), 40 T, PD 80.93, \u00d88 bore hub with M3 set screw"
  },
  {
   "name": "sprocket-35-10t-b8",
   "step": "/files/hardware/roller-chain-sprockets/sprocket-35-10t-b8.step",
   "stl": "/files/hardware/roller-chain-sprockets/sprocket-35-10t-b8.stl",
   "note": "#35 chain (9.525 mm pitch), 10 T, PD 30.82, \u00d88 bore hub with M3 set screw"
  },
  {
   "name": "sprocket-35-12t-b8",
   "step": "/files/hardware/roller-chain-sprockets/sprocket-35-12t-b8.step",
   "stl": "/files/hardware/roller-chain-sprockets/sprocket-35-12t-b8.stl",
   "note": "#35 chain (9.525 mm pitch), 12 T, PD 36.80, \u00d88 bore hub with M3 set screw"
  },
  {
   "name": "sprocket-35-15t-b8",
   "step": "/files/hardware/roller-chain-sprockets/sprocket-35-15t-b8.step",
   "stl": "/files/hardware/roller-chain-sprockets/sprocket-35-15t-b8.stl",
   "note": "#35 chain (9.525 mm pitch), 15 T, PD 45.81, \u00d88 bore hub with M3 set screw"
  },
  {
   "name": "sprocket-35-20t-b8",
   "step": "/files/hardware/roller-chain-sprockets/sprocket-35-20t-b8.step",
   "stl": "/files/hardware/roller-chain-sprockets/sprocket-35-20t-b8.stl",
   "note": "#35 chain (9.525 mm pitch), 20 T, PD 60.89, \u00d88 bore hub with M3 set screw"
  },
  {
   "name": "sprocket-35-30t-b8",
   "step": "/files/hardware/roller-chain-sprockets/sprocket-35-30t-b8.step",
   "stl": "/files/hardware/roller-chain-sprockets/sprocket-35-30t-b8.stl",
   "note": "#35 chain (9.525 mm pitch), 30 T, PD 91.12, \u00d88 bore hub with M3 set screw"
  }
 ]
}