Gist
Cycling can improve leg strength and muscular endurance, especially in beginners and with hills or resistance, but it does not replace progressive resistance training for maximal strength or muscle growth.
Yes. Cycling is excellent for endurance because it allows long-duration aerobic work with relatively low impact and can be progressed through time, hills and intensity.
Yes. Cycling is effective cardiovascular exercise because it can provide sustained moderate or vigorous aerobic work across a wide range of fitness levels.
Yes. Cycling can support fat loss by adding recoverable aerobic activity and energy expenditure, but body-fat reduction still requires a sustained calorie deficit.
Yes. Cycling can support weight loss by increasing energy expenditure with relatively low impact, but lasting results still depend on an overall calorie deficit.