Cogbook: Bike Maintenance

Cogbook is the maintenance logbook for every bike you own — road, gravel, MTB and e-bike. Track component wear, log every service, and never miss maintenance again. It's the mechanic's workshop, in your pocket.

Most cycling apps track your rides. Cogbook tracks your bike — so you know exactly when your chain, cassette, brake pads, tyres or suspension need attention, before they fail.

THE COMPLETE SERVICE LOG
• Log every service with date, parts, notes and cost
• A full history for each bike — your maintenance, documented forever
• A multi-bike garage: road, gravel, MTB, e-bike and more

COMPONENT WEAR, DONE RIGHT
• Per-component wear gauges (chain, cassette, chainrings, brake pads, cables, tyres) calculated by distance
• An up-to-date component database by brand, with realistic service intervals
• Chain-wear tracking with smart replacement alerts
• Advanced tracking: chain wax & rotation, sealant, suspension hours, full drivetrain — and parts that move between bikes

SMART MAINTENANCE REMINDERS
• Reminders by distance, hours or calendar — per component
• Get alerted before parts wear out, not after

MILEAGE, AUTOMATIC OR MANUAL
• Import your distance automatically or log it by hand — never forced to connect anything
• Apple Health integration for ride distance

E-BIKE READY
• Battery cycles, motor service and manufacturer intervals — the e-bike support other apps ignore

YOUR DATA, YOURS FOREVER
• Reliable iCloud sync across your devices
• Export to CSV and PDF — your records are never locked in

COST INSIGHTS
• See what each bike and component really costs you over time

The service log, your bikes and your data are never paywalled.

COGBOOK PRO
Unlock the full brand component database, advanced wear tracking, complete e-bike support, multi-rider family sharing, and CSV/PDF export.
• Monthly and Yearly plans (Yearly includes a 7-day free trial)
• Or a one-time Lifetime unlock

Subscriptions auto-renew unless cancelled at least 24 hours before the end of the current period. Your Apple ID is charged on confirmation. Manage or cancel anytime in your App Store account settings.

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