Cycling for Fitness: Indoor and Outdoor Training Basics

Cycling is one of the easiest forms of cardio to sustain for years. It is low-impact, easy on the joints, can double as transport, and works at any fitness level — from gentle rides to punishing intervals.

Get the Setup Right

An uncomfortable bike makes every ride harder. The basics:

• Saddle height: at the bottom of the pedal stroke, your knee should be slightly bent, not locked straight.
• Saddle position: with pedals level, your front knee should be roughly over the pedal.
• Handlebars: reachable without locking your elbows or straining your neck.

A professional bike fit is worth considering if you ride a lot or experience knee, back or hand discomfort.

Indoor vs Outdoor

• Indoor (stationary bike, smart trainer, gym spin bike): controlled, weather-proof, safe and easy to structure into intervals.
• Outdoor: more engaging, includes skill and balance, and can become transport. Requires attention to safety: helmet, lights, visibility and route choice.

Both build fitness. Many people combine them depending on season and schedule.

Structuring Rides

• Easy endurance rides: most riding should be at a comfortable pace you can sustain while talking. See zone 2 cardio explained.
• Intervals: once or twice a week, short hard efforts with recovery, such as 4 to 6 rounds of 3 minutes hard and 3 minutes easy.
• Long rides: gradually extending ride duration builds endurance.

Cycling and Lifting

Cycling interferes less with strength training than running does, because it involves less impact and muscle damage. Many lifters use cycling as their main cardio. Keep hard interval sessions away from heavy leg days if you want to perform well on both.

Common Issues

Saddle soreness usually improves with padded shorts, proper saddle height and gradual adaptation. Knee pain is often linked to saddle height or position. Neck and hand discomfort often point to handlebars that are too far away or too low.