{
 "name": "Gravel bike frame tire clearance, as brands state it",
 "description": "Maximum tire width (700c) for popular gravel bike frames from Canyon, Specialized, Giant, Cannondale, Trek, Orbea and Cervélo, as each brand states it on its own product or support page, with the kind of figure (stated maximum, measured, nominal C size) and the conditions the brand attaches (1x only, flip-chip position, mudguards). Pedal Brief has not measured these frames. Every row links the brand page and the date it was checked.",
 "url": "https://pedalbrief.com/data/gravel-tire-clearance",
 "license": "https://creativecommons.org/licenses/by/4.0/",
 "attribution": "Pedal Brief (pedalbrief.com)",
 "citation": "Pedal Brief (pedalbrief.com), “Gravel bike frame tire clearance, as brands state it”, https://pedalbrief.com/data/gravel-tire-clearance, CC BY 4.0. Sources checked 24 Sep 2026.",
 "notice": "Compilation by Pedal Brief under CC BY 4.0. The underlying facts come from the sources linked in each row; brand and team names and trademarks belong to their owners. Provided as is, without warranty.",
 "used_on": "https://pedalbrief.com/tools/tire-clearance",
 "date_modified": "2026-10-18",
 "oldest_check": "2026-09-24",
 "fields": [
  {
   "name": "id",
   "type": "text",
   "description": "Pedal Brief id"
  },
  {
   "name": "brand",
   "type": "text",
   "description": "Frame brand"
  },
  {
   "name": "model",
   "type": "text",
   "description": "Model"
  },
  {
   "name": "generation",
   "type": "text",
   "description": "Generation or page the figure is from"
  },
  {
   "name": "max_tire_mm",
   "type": "integer",
   "description": "Maximum 700c tire width in mm"
  },
  {
   "name": "max_label",
   "type": "text",
   "description": "The figure as the brand gives it (may include 650b)"
  },
  {
   "name": "type",
   "type": "text",
   "description": "Kind of figure (stated max, measured, nominal C size)"
  },
  {
   "name": "conditions",
   "type": "text",
   "description": "Conditions the brand states"
  },
  {
   "name": "source_name",
   "type": "text",
   "description": "Source"
  },
  {
   "name": "source_url",
   "type": "url",
   "description": "Brand page"
  },
  {
   "name": "checked",
   "type": "date",
   "description": "Date Pedal Brief checked the source"
  }
 ],
 "row_count": 14,
 "rows": [
  {
   "id": "canyon-grail-cf",
   "brand": "Canyon",
   "model": "Grail (CF)",
   "generation": "Current model",
   "max_tire_mm": 57,
   "max_label": "57 mm",
   "type": "Stated max, with 4 mm ISO clearance",
   "conditions": "1x groupsets only",
   "source_name": "Canyon",
   "source_url": "https://www.canyon.com/en-us/gravel-bikes/all-road/grail/",
   "checked": "2026-09-24"
  },
  {
   "id": "specialized-crux-5",
   "brand": "Specialized",
   "model": "Crux 5",
   "generation": "Crux 5",
   "max_tire_mm": 55,
   "max_label": "55 mm / 2.2 in",
   "type": "Stated max",
   "conditions": "None stated",
   "source_name": "Specialized",
   "source_url": "https://www.specialized.com/us/en/crux-5-comp-sram-rival-xplr/p/4294832",
   "checked": "2026-09-24"
  },
  {
   "id": "canyon-grizl",
   "brand": "Canyon",
   "model": "Grizl (CF and AL)",
   "generation": "Current model",
   "max_tire_mm": 54,
   "max_label": "54 mm",
   "type": "Measured (Canyon: \"54 mm measured tyre clearance\")",
   "conditions": "Frame and fork both 54 mm",
   "source_name": "Canyon",
   "source_url": "https://www.canyon.com/en-gb/gravel-bikes/adventure/grizl/cf/grizl-cf-7/4553.html",
   "checked": "2026-09-24"
  },
  {
   "id": "giant-revolt",
   "brand": "Giant",
   "model": "Revolt (aluminium, Revolt 0)",
   "generation": "Current model",
   "max_tire_mm": 53,
   "max_label": "53 mm",
   "type": "Stated max",
   "conditions": "Long flip-chip position, 1x. 45 mm in short position. 45 mm with 2x",
   "source_name": "Giant",
   "source_url": "https://www.giant-bicycles.com/gb/revolt-0",
   "checked": "2026-09-24"
  },
  {
   "id": "cannondale-topstone-carbon",
   "brand": "Cannondale",
   "model": "Topstone Carbon",
   "generation": "Current model",
   "max_tire_mm": 52,
   "max_label": "52 mm",
   "type": "Measured",
   "conditions": "1x. 45 mm with 2x. Fork fits 56 mm",
   "source_name": "Cannondale",
   "source_url": "https://www.cannondale.com/en-us/bikes/road/gravel/topstone-carbon/topstone-carbon-1-axs",
   "checked": "2026-09-24"
  },
  {
   "id": "specialized-diverge-4",
   "brand": "Specialized",
   "model": "Diverge 4",
   "generation": "Diverge 4",
   "max_tire_mm": 50,
   "max_label": "50 mm",
   "type": "Stated max",
   "conditions": "None stated",
   "source_name": "Specialized",
   "source_url": "https://www.specialized.com/us/en/diverge-4-sport-carbon-shimano-grx-600/p/4223514",
   "checked": "2026-09-24"
  },
  {
   "id": "trek-checkpoint-sl-gen3",
   "brand": "Trek",
   "model": "Checkpoint SL Gen 3",
   "generation": "Gen 3",
   "max_tire_mm": 50,
   "max_label": "50 mm",
   "type": "Measured (Trek: \"up to 50mm gravel tires (as measured)\")",
   "conditions": "None stated",
   "source_name": "Trek",
   "source_url": "https://www.trekbikes.com/us/en_US/FAQ/checkpoint-sl-gen3/",
   "checked": "2026-09-24"
  },
  {
   "id": "trek-checkpoint-alr",
   "brand": "Trek",
   "model": "Checkpoint ALR",
   "generation": "Current model",
   "max_tire_mm": 50,
   "max_label": "50 mm",
   "type": "Stated max",
   "conditions": "None stated",
   "source_name": "Trek",
   "source_url": "https://www.trekbikes.com/us/en_US/checkpoint/",
   "checked": "2026-09-24"
  },
  {
   "id": "orbea-terra",
   "brand": "Orbea",
   "model": "Terra",
   "generation": "Current model",
   "max_tire_mm": 50,
   "max_label": "50C",
   "type": "Stated max (nominal \"C\" size)",
   "conditions": "45C with mudguards. Fork has 5 mm each side at 50C",
   "source_name": "Orbea",
   "source_url": "https://www.orbea.com/ie-en/bicycles/road/terra/",
   "checked": "2026-09-24"
  },
  {
   "id": "specialized-crux-previous",
   "brand": "Specialized",
   "model": "Crux (previous)",
   "generation": "Crux frameset listed as \"Crux\"",
   "max_tire_mm": 47,
   "max_label": "47 mm (650b x 2.1 in)",
   "type": "Stated max",
   "conditions": "None stated",
   "source_name": "Specialized",
   "source_url": "https://www.specialized.com/us/en/crux-frameset/p/205814",
   "checked": "2026-09-24"
  },
  {
   "id": "orbea-terra-race",
   "brand": "Orbea",
   "model": "Terra Race",
   "generation": "Current model",
   "max_tire_mm": 45,
   "max_label": "45C",
   "type": "Stated max (nominal \"C\" size)",
   "conditions": "Fork has 7 mm lateral clearance at 45C",
   "source_name": "Orbea",
   "source_url": "https://www.orbea.com/en-int/m/terra-race",
   "checked": "2026-09-24"
  },
  {
   "id": "cervelo-aspero-5",
   "brand": "Cervélo",
   "model": "Áspero-5",
   "generation": "Áspero-5",
   "max_tire_mm": 45,
   "max_label": "45 mm",
   "type": "Stated max",
   "conditions": "None stated",
   "source_name": "Cervélo",
   "source_url": "https://www.cervelo.com/en-US/bikes/aspero-5",
   "checked": "2026-09-24"
  },
  {
   "id": "cervelo-aspero-mk1",
   "brand": "Cervélo",
   "model": "Áspero Disc MK1",
   "generation": "MK1 (support page)",
   "max_tire_mm": 43,
   "max_label": "43 mm (650b 51 mm)",
   "type": "Stated max tire width. Frame clearance listed separately as 53 mm",
   "conditions": "None stated",
   "source_name": "Cervélo",
   "source_url": "https://www.cervelo.com/en-US/support/ASPERO%20DISC%20MK1",
   "checked": "2026-09-24"
  },
  {
   "id": "cervelo-aspero-2023",
   "brand": "Cervélo",
   "model": "Áspero",
   "generation": "2023 model page",
   "max_tire_mm": 40,
   "max_label": "40 mm (650b x 49 mm)",
   "type": "Stated max, 4 mm margin recommended",
   "conditions": "Shimano road 12-speed front derailleur cuts rear to 38 mm (650b x 45 mm)",
   "source_name": "Cervélo",
   "source_url": "https://www.cervelo.com/en-US/bikes/aspero-2023",
   "checked": "2026-09-24"
  }
 ]
}