Change #27
Accepted by sd on 2026-09-16 02:02. It is live on the pages below; each page's History tab shows the resulting revision.
Change #27 · Head-term article for Bicycle: parts, functions, how it works, FAQ, BOM completed accepted
New: Headset bike-headset
- Created Headset (part): "Pair of bearings at the top and bottom of the head tube in which the fork steerer turns, letting the front wheel steer."
New: Stem bike-stem
- Created Stem (part): "Aluminium or carbon clamp that joins the handlebar to the top of the fork steerer and sets the rider's reach."
New: Seatpost bike-seatpost
- Created Seatpost (part): "Tube that carries the saddle and slides into the frame's seat tube to set saddle height."
New: Bottom Bracket bike-bottom-bracket
- Created Bottom Bracket (part): "Bearing set in the frame's bottom bracket shell on which the crank spindle turns under every pedal stroke."
New: Shifter bike-shifter
- Created Shifter (part): "Handlebar lever that pulls or releases the derailleur cable in indexed clicks, one click per gear."
Bicycle bicycle
- Aliases changed to "bike, pushbike, road bike, hybrid bike"
- Article updated (+1242 words)
- Added bike-headset × 1: "Steering bearings in the head tube"
- Added bike-stem × 1: "Joins handlebar to fork steerer"
- Added bike-seatpost × 1: "Sets saddle height"
- Added bike-bottom-bracket × 1: "Crank spindle bearings"
- Added bike-shifter × 2: "One per derailleur"
Machine findings
- Bicycle: 12 direct children (dominant function: Communicate signal) — worth checking for integration or standardization
- Bicycle functions after this change: Connect electrically, Communicate signal, Guide motion