Page 1 of 3 · blank worksheet
Name the measurement references
Dimensions on page 2 are meaningful only with these named points and methods. Write the same internal bike reference and date on all three pages.
On paper: internal bike reference + measurement date on every page.
- Saddle reference
- Exact marked point, width station or surface; do not assume saddle tip or centre.
- Blank writing space - complete on paper
- Saddle contact convention
- Describe how contact with the declared point is repeated.
- Blank writing space - complete on paper
- Bar / hood reference and side
- Exact marked point and left/right side; use it consistently for reach and drop.
- Blank writing space - complete on paper
- Cockpit point type
- Describe the bar or hood point, without substituting another point later.
- Blank writing space - complete on paper
- Bike-level method
- How the bicycle was supported and its level checked.
- Blank writing space - complete on paper
- Horizontal measurement method
- Instrument, datum and procedure for horizontal distances.
- Blank writing space - complete on paper
- Vertical measurement method
- Instrument, datum and procedure for vertical distances.
- Blank writing space - complete on paper
- Saddle tilt surface
- Exact surface or tool support used for the angle reading.
- Blank writing space - complete on paper
- Hood angle surface and side
- Exact hood-top surface and left/right side used for the angle.
- Blank writing space - complete on paper
- Hood height datum and side
- Declared bar datum, chosen hood point and left/right side.
- Blank writing space - complete on paper
- Level / zero method
- How level and instrument zero were established.
- Blank writing space - complete on paper
Measurement record only - not a fit verdict, recommendation, compatibility approval or evidence of installation.
Page 2 of 3 · blank worksheet
Record measured dimensions
BB means bottom-bracket centre. No defaults, suggested values or targets are supplied. Copy the same reference and date below; preserve page 1 with these readings.
On paper: internal bike reference + measurement date on every page.
- Frame stack (mm)
- BB centre to the saved frame stack point; vertical distance.
- Blank measured value or Not measured - complete on paper
- Frame reach (mm)
- BB centre to the saved frame reach point; horizontal distance.
- Blank measured value or Not measured - complete on paper
- Saddle model / variant
- Record the exact component, not a suggested model.
- Blank writing space - complete on paper
- Crank length (mm)
- Record the crank length and its measurement convention in page 3 notes.
- Blank measured value or Not measured - complete on paper
- Saddle height (mm)
- BB centre to the declared saddle reference.
- Blank measured value or Not measured - complete on paper
- Saddle setback (mm)
- BB vertical to the declared saddle reference; positive means behind the BB.
- Blank measured value or Not measured - complete on paper
- Saddle tilt (deg)
- Declared saddle surface relative to level; positive means nose-up.
- Blank measured value or Not measured - complete on paper
- Handlebar width (mm)
- Recorded bar width; preserve the saved bar notes and original measurement convention.
- Blank measured value or Not measured - complete on paper
- Bar / hood reach (mm)
- Declared saddle reference to declared bar/hood reference; positive means forward.
- Blank measured value or Not measured - complete on paper
- Bar / hood drop (mm)
- Declared saddle reference to declared bar/hood reference; positive means the bar is lower.
- Blank measured value or Not measured - complete on paper
- Head / steerer angle (deg)
- Head / steerer axis measured from the forward horizontal.
- Blank measured value or Not measured - complete on paper
- Spacers below stem (mm)
- Total spacer height below the stem measured along the steerer axis.
- Blank measured value or Not measured - complete on paper
- Stem length (mm)
- Record the component length and its convention in page 3 notes.
- Blank measured value or Not measured - complete on paper
- Actual stem angle (deg)
- Actual stem centreline measured from horizontal; positive means rising.
- Blank measured value or Not measured - complete on paper
- Hood angle (deg)
- Declared hood-top surface relative to level; positive means nose-up.
- Blank measured value or Not measured - complete on paper
- Hood height offset (mm)
- Chosen hood point relative to the declared bar datum; positive means above.
- Blank measured value or Not measured - complete on paper
Measurement record only - not a fit verdict, recommendation, compatibility approval or evidence of installation.
Page 3 of 3 · blank worksheet
Preserve the procedure and hand-off
Keep all three pages together. Use exact component manuals and professional judgment for physical work. A second measurement occasion needs another worksheet, not an undocumented overwrite.
On paper: internal bike reference + measurement date on every page.
- Measurement-reference notes
- Frame stack/reach point, instrument, repeatability limits and any unrecorded reference.
- Blank writing space - complete on paper
- Angle / hood-height notes
- Surfaces, side, zero method and any limits of the readings.
- Blank writing space - complete on paper
- Crank notes
- Exact model / variant and length convention used.
- Blank writing space - complete on paper
- Stem notes
- Exact component and length convention; no torque or compatibility approval is implied.
- Blank writing space - complete on paper
- Handlebar / controls notes
- Exact components and width convention, including hoods versus drops and centre-to-centre versus outside.
- Blank writing space - complete on paper
- Hand-off / open questions
- Which fields were not measured, which references need clarification, and who owns the next check.
- Blank writing space - complete on paper
Measurement record only - not a fit verdict, recommendation, compatibility approval or evidence of installation.