ToolAssay

Gear inches and speed at a cadence for every chainring and cog in a drivetrain,

Gear inches and speed at a cadence for every chainring and cog in a drivetrain, with the range, steps and duplicate gears.

Answeringour last check, 2026-10-21
1 of 1checks answered this week
412 msmedian answer time
$0.02listed price per call
$0.02price it asked us

Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.

Endpoint

GET https://bike-calc.x402tookit.com/gear-table

CategoryEverything else
Provider hostbike-calc.x402tookit.com
Networkseip155:137, eip155:42161, eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp
Payment schemesexact
Self-reported calls, 30 days1 from 1 payers (the provider's figure, not ours)

Our checks, last 30 days

DayResultHTTPAskedTime
2026-10-21 valid payment request 402$0.02 412 ms

Example input (from the provider)

{
  "method": "GET",
  "queryParams": {
    "chainrings": "50,34",
    "cogs": "11,12,13,14,15,17,19,21,24,28"
  },
  "type": "http"
}

Promised output schema (from the provider)

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "method": {
          "enum": [
            "GET"
          ],
          "type": "string"
        },
        "queryParams": {
          "properties": {
            "cadence": {
              "description": "Cadence in rpm for the speed column (default 90)",
              "type": "number"
            },
            "chainrings": {
              "description": "Comma-separated chainring teeth, for example 50,34",
              "type": "string"
            },
            "circumferenceMm": {
              "description": "Rolling circumference in mm instead of a preset",
              "type": "number"
            },
            "cogs": {
              "description": "Comma-separated cog teeth, for example 11,12,13,14,15,17,19,21,24,28",
              "type": "string"
            },
            "wheel": {
              "description": "Tyre preset: 700x23c, 700x25c, 700x28c, 700x32c, 700x35c, 700x38c, 26x2.0 (default 700x25c)",
              "type": "string"
            }
          },
          "required": [
            "chainrings",
            "cogs"
          ],
          "type": "object"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "properties": {
            "asOf": {
              "type": [
                "null",
                "string"
              ]
            },
            "averageStepPercent": {
              "type": [
                "null",
                "number"
              ]
            },
            "cadenceRpm": {
              "type": [
                "null",
                "number"
              ]
            },
            "circumferenceMm": {
              "type": [
                "null",
                "number"
              ]
            },
            "combinations": {
              "type": [
                "null",
                "number"
              ]
            },
            "degraded": {
              "type": [
                "boolean",
                "null"
              ]
            },
            "disclaimer": {
              "type": [
                "null",
                "string"
              ]
            },
            "highestGear": {
              "properties": {
                "chainring": {
                  "type": [
                    "null",
                    "number"
                  ]
                },
                "cog": {
                  "type": [
                    "null",
                    "number"
                  ]
                },
                "gearInches": {
                  "type": [
                    "null",
                    "number"
                  ]
                },
                "ratio": {
                  "type": [
                    "null",
                    "number"
                  ]
                },
                "speedKmh": {
                  "type": [
                    "null",
                    "number"
                  ]
                }
              },
              "type": [
                "null",
                "object"
              ]
            },
            "largestStepPercent": {
              "type": [
                "null",
                "number"
              ]
            },
            "lowestGear": {
              "properties": {
                "chainring": {
                  "type": [
                    "null",
                    "number"
                  ]
                },
                "cog": {
                  "type": [
                    "null",
                    "number"
                  ]
                },
                "gearInches": {
                  "type": [
                    "null",
                    "number"
                  ]
                },
                "ratio": {
                  "type": [
                    "null",
                    "number"
                  ]
                },
                "speedKmh": {
                  "type": [
                    "null",
                    "number"
                  ]
                }
              },
              "type": [
                "null",
                "object"
              ]
            },
            "nearDuplicateGears": {
              "type": [
                "null",
                "number"
              ]
            },
            "notChecked": {
              "items": {
                "type": "string"
              },
              "type": [
                "array",
                "null"
              ]
            },
            "rangePercent": {
              "type": [
                "null",
                "number"
              ]
            },
            "reasons": {
              "items": {
                "type": "string"
              },
              "type": [
                "array",
                "null"
              ]
            },
            "sortedByRatio": {
              "items": {
                "properties": {
                  "chainring": {
                    "type": [
                      "null",
                      "number"
                    ]
                  },
                  "cog": {
                    "type": [
                      "null",
                      "number"
                    ]
                  },
                  "gearInches": {
                    "type": [
                      "null",
                      "number"
                    ]
                  },
                  "ratio": {
                    "type": [
                      "null",
                      "number"
                    ]
                  },
                  "speedKmh": {
                    "type": [
    

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