What ChainLog can do

From first ride to resale.

Mileage and wear tracking

Distance per component

Every part has its own counter. You know exactly where you stand.

Visual wear gauges

One glance tells you what's approaching end of life.

Starting mileage

Your bike had km before ChainLog? We account for that.

Resale with confidence

Verifiable certificate

A public link with the full history. The buyer sees it, you prove it.

Built-in listings

Create your listing with the certificate attached.

Marketplace export

One button, your listing is ready for any marketplace.

See a certificate example

Alerts before things break

Email alerts

We'll let you know when a component is nearing end of life.

Custom thresholds

Every bike is different. Adjust the intervals to match your riding.

Multi-component

Chain, cassette, brake pads, tires, cables, bearings - all tracked.

Your rides, no input needed

Strava and Ride with GPS

Your rides flow in automatically. Zero manual input.

Manual entry

No connected device? Two clicks and it's logged.

Full maintenance log

Per-component history

Every swap is dated and archived.

Maintenance costs

See what your bike costs you, component by component.

Invoice scanning

Snap a photo of your receipt, we extract the details. You review, it's saved.

Free, no ads. Works on phone and desktop, in French, English, and Spanish.