ToolFor Bike repair shop

Chaintag

Every bike gets a tag. Every customer gets an answer.

Record each bike's faults at intake, price the job from your labour rate and parts, and give customers a six-letter code to check their repair's progress.

Download the source

Zip, 193 KB. MIT licence. Built 22 Oct 2026.

Live preview

Loading the live site…

This is the real site, not a mock-up. Click around; the button on it opens the working app.

What you get

Everything a tool needs, already done.

Pages and screens

  • Launch page
  • Intake checklist
  • Quote builder
  • Job board
  • Customer status view

Features

  • Tick faults from a checklist of 14 in 5 groups
  • Quote from labour rate (default £40 an hour) plus parts
  • Six-letter code for customers to check job progress
  • Status flow including Quote ready and Waiting for parts
  • Ready to collect badge when the bike is done
  • Nothing to sign up for

Palette

  • #c2410c
  • #a3360a
  • #ffffff
  • #fde6d6
  • #1f1b16
  • #5f574b

Style

  • Warm
  • Editorial
  • Bold
Chaintag on a phone
On a phone, as shipped.

For developers

A real codebase, not a page builder export.

Stack

Vite, React 19 and TypeScript for the app. The launch page is plain HTML, CSS and a little JavaScript with no build step. Vitest for unit tests, Playwright for browser tests.

Run it

unzip chaintag.zip
cd chaintag
npm install
npm run dev

In the zip

  • site/ the launch page with the built app in site/app/
  • src/ and e2e/ the app source and tests
  • docs/technical-docs/ architecture, runbook, quick reference
  • START-HERE.md and LICENSE (MIT)

More like this

Also on the shelf

  • Auto & TransportTool

    Roadworthy

    Log each driving lesson, rate 16 skills per learner, and get a readiness score that tells you whether a student is ready to book their driving test.

  • Auto & TransportTool

    Roomwise

    Roomwise lets a moving estimator tick off furniture room by room, then totals the cubic feet, picks a truck size and crew hours, and prints the quote.

  • Auto & TransportTool

    Shop Ledger

    Build itemised repair estimates from your saved parts and labour rates, print them for customers, and see which cars are due back for an oil change or inspection.