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Profiles can now auto-match to indoor or outdoor activities. Set it once and the right profile activates based on your ride type.

Bike cassette lifespan ranges from 10,000 to 30,000 km — but the real answer depends on one thing: how well you tracked your chain changes.

Worn brake pads compromise stopping power before you notice. Learn the exact measurements, mileage thresholds, and warning signs that tell you it's time to replace.

The complete spring bike maintenance checklist with exact thresholds — drivetrain, brakes, tyres, wheels, suspension, and electronics. Know what needs attention before your first big ride.

Learn exactly how to measure chain stretch using a chain checker, understand the 0.5%, 0.75%, and 1% wear thresholds, and know which threshold applies to your specific drivetrain.

Understand how worn chain damage cascades to cassette and chainrings, the real cost of delayed replacement, and exactly when to act before the domino falls.

Hammerhead integration, activity-based reminders, Garmin historical import, provider improvements, and bike profiles on the horizon.

Learn exactly when to replace your bike chain with wear thresholds by drivetrain speed, five warning signs, mileage benchmarks, and cost comparisons.

Mobile apps for iPhone and Android, weather-enriched activities, real-time Strava sync, bulk activity management, and predictive intelligence on the horizon.

Dirty drivetrains cost more watts than most upgrades save. Wind tunnel and lab data reveal how clean components make you measurably faster.