{
 "slug": "bicycle-brake-rotors",
 "name": "Bicycle Brake Rotors",
 "root": "sports-fitness",
 "unit": "each",
 "unit_as_designed": null,
 "unit_note": "Count the brake rotors included in the listing: a single rotor is 1 each and a pair is 2 each. Exclude pads, hardware, and other non-rotor items from the count.",
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  "brick": "Brake Disc",
  "class": "Automotive Brakes",
  "family": "Automotive Accessories and Maintenance",
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  "id": 4576,
  "path": "Sporting Goods > Outdoor Recreation > Cycling > Bicycle Parts > Bicycle Brake Parts > Bicycle Brake Rotors"
 },
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   "path": "Vehicles & Parts > Vehicle Parts & Accessories > Motor Vehicle Parts > Motor Vehicle Braking > Brake Rotors",
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     "name": "Brake fluid DOT specification",
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      "DOT 3/4 (compatible)",
      "DOT 4",
      "DOT 4 LV",
      "DOT 5",
      "DOT 5.1",
      "Other"
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    },
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      "All wheels",
      "Front",
      "Front axle",
      "Front left",
      "Front right",
      "Left side",
      "Not position-specific",
      "Rear",
      "Rear axle",
      "Rear left",
      "Rear right",
      "Right side",
      "Other"
     ]
    },
    {
     "name": "Color",
     "handle": "color",
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      "Black",
      "Blue",
      "Bronze",
      "Brown",
      "Clear",
      "Gold",
      "Gray",
      "Green",
      "Multicolor",
      "Navy",
      "Orange",
      "Pink",
      "Purple",
      "Red",
      "Rose gold",
      "Silver",
      "White",
      "Yellow"
     ]
    },
    {
     "name": "Compatible brake service system",
     "handle": "compatible-brake-service-system",
     "values": [
      "Disc",
      "Disc and drum (universal)",
      "Drum",
      "Other"
     ]
    },
    {
     "name": "Item condition",
     "handle": "item-condition",
     "values": [
      "Certified pre-owned",
      "New",
      "Refurbished",
      "Used",
      "Other"
     ]
    },
    {
     "name": "Manufacturer type",
     "handle": "manufacturer-type",
     "values": [
      "Aftermarket",
      "Genuine",
      "OEM",
      "Third-party",
      "Other"
     ]
    },
    {
     "name": "Pattern",
     "handle": "pattern",
     "values": [
      "Abstract",
      "Animal",
      "Art",
      "Bead & reel",
      "Birds",
      "Brick",
      "Bull's eye",
      "Camouflage",
      "Characters",
      "Checkered",
      "Chevron",
      "Chinoiserie",
      "Christmas",
      "Collage",
      "Coral",
      "Damask",
      "Diagonal",
      "Diamond",
      "Dog's tooth",
      "Dots",
      "Egg & dart",
      "Ethnic",
      "Everlasting knot",
      "Floral",
      "Fret",
      "Geometric",
      "Guilloche",
      "Hearts",
      "Illusion",
      "Lace"
     ]
    },
    {
     "name": "Vehicle braking features",
     "handle": "vehicle-braking-features",
     "values": [
      "Corrosion resistant",
      "Drilled",
      "Improved heat dissipation",
      "Low dust",
      "Slotted",
      "Ventilation",
      "Other"
     ]
    }
   ]
  },
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   "id": 4576,
   "path": "Sporting Goods > Outdoor Recreation > Cycling > Bicycle Parts > Bicycle Brake Parts > Bicycle Brake Rotors"
  },
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   "brick_code": "10006385",
   "brick": "Brake Disc",
   "class": "Automotive Brakes",
   "family": "Automotive Accessories and Maintenance",
   "segment": "Vehicle"
  }
 },
 "fields": [
  {
   "key": "compatible_bicycle_fitment",
   "label": "Compatible bicycle fitment",
   "type": "string",
   "unit": null,
   "values": null,
   "why_it_matters": "The rotor must match the bicycle's model and braking system to install and work correctly."
  },
  {
   "key": "mounting_area",
   "label": "Mounting area",
   "type": "enum",
   "unit": null,
   "values": [
    "front",
    "rear",
    "front_rear",
    "unclassified"
   ],
   "why_it_matters": "Identifies which wheel position the rotor is intended for."
  },
  {
   "key": "rotor_diameter_mm",
   "label": "Rotor diameter",
   "type": "number",
   "unit": "mm",
   "values": null,
   "why_it_matters": "Must match the bicycle's frame, fork, and brake setup; larger compatible rotors can offer more braking leverage and heat capacity."
  },
  {
   "key": "mounting_interface",
   "label": "Mounting interface",
   "type": "enum",
   "unit": null,
   "values": [
    "six_bolt",
    "center_lock",
    "other"
   ],
   "why_it_matters": "Must match the hub's rotor attachment standard."
  },
  {
   "key": "pieces",
   "label": "Rotors included",
   "type": "number",
   "unit": "each",
   "values": null,
   "why_it_matters": "Determines the number of rotors used to calculate the price per rotor."
  },
  {
   "key": "material",
   "label": "Rotor material",
   "type": "enum",
   "unit": null,
   "values": [
    "stainless_steel",
    "steel",
    "other"
   ],
   "why_it_matters": "Affects braking performance, corrosion resistance, and compatibility with the brake pads."
  },
  {
   "key": "construction",
   "label": "Construction",
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   "unit": null,
   "values": [
    "one_piece",
    "two_piece",
    "floating",
    "other"
   ],
   "why_it_matters": "More complex constructions can reduce heat transfer or warping but generally cost more."
  },
  {
   "key": "vehicle_braking_features",
   "label": "Braking features",
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   "unit": null,
   "values": [
    "corrosion_resistant",
    "drilled",
    "improved_heat_dissipation",
    "slotted",
    "ventilation",
    "other"
   ],
   "why_it_matters": "Design features can affect heat management, wet-weather performance, and durability."
  }
 ],
 "minimum_spec": {
  "description": "For a standard replacement, choose a rotor that exactly matches the bicycle's braking system, wheel position, diameter, and hub mounting interface. A basic one-piece steel rotor is sufficient for ordinary riding when it is compatible with the bicycle and its brake pads.",
  "rules": [
   {
    "key": "compatible_bicycle_fitment",
    "op": "==",
    "value": "matches the bicycle's make, model, year, and braking system"
   }
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 },
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