The Giant TCR Advanced 2 is a race road bike known for stiffness and value. Its 105 drivetrain wears predictably with mileage.
Intervals assume mixed road riding. Sprint and interval training loads shorten chain life.
Saddle connects to Garmin, Wahoo, and Strava, counts every mile on your bike, and tells you when each component is actually due. Then it books the work at your local shop in one tap.
The intelligence layer behind bicycle ownership.