How to Improve Your Cycling Power

For cyclists, achieving a high cycling power output is a key goal. Many dedicated cyclists spend considerable time and effort trying to improve their power output so that outdoor rides become easier. The goal is to ride faster for longer while using less energy, increasing efficiency. One method to improve your cycling power is the 75% rule. This training principle can help you to improve your cycling.

WHAT IS THE 75% RULE?

The 75% rule is simple: 75% of your weekly training volume should stay below 75% of your max heart rate, which lines up with Zone 1 (50-60% MHR) and Zone 2 (60-70% MHR) — your low-intensity, aerobic zones.

In power terms, that’s Zone 1 (under 55% FTP) and Zone 2 (56-75% FTP), where you build aerobic capacity and mitochondrial density. The remaining 25% goes to harder efforts in heart rate Zones 4 (80-90% MHR) and 5 (90-100% MHR), or power Zones 4 (106-120% FTP) and 5 (above 120% FTP) — the zones that drive the bigger anaerobic adaptations.

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By adhering to this polarized training distribution and accumulating sufficient training load, athletes typically experience significant improvements in sustainable cycling power output and metabolic efficiency.

WHY IS THE 75% RULE EFFECTIVE FOR IMPROVING CYCLING POWER?

This balance works because it lets you train hard enough to adapt without accumulating so much fatigue that you can’t recover. Riding mostly at lower intensities builds mitochondrial density and improves blood flow to working muscles, supporting better fat-burning efficiency and conserving glycogen for when you actually need it.

Spending too much time at threshold or above does the opposite — it raises cortisol, slows glycogen recovery, and increases your risk of overtraining, illness, and injury. Limiting hard efforts to that smaller 25% block lets you target VO2 max and lactate clearance without digging a hole you can’t climb out of. The result, over time, is a real, measurable increase in FTP and power-to-weight ratio.

EXERCISES TO COMPLEMENT THE 75% RULE AND IMPROVE CYCLING POWER

Climbing Hills

Hill repeats are one of the best ways to use your 25% high-intensity allocation. Climbing recruits more muscle fibers, improves lactate clearance, and forces better power output through the pedal stroke than flat-road efforts do. Mix shorter, steeper repeats (6-12% grade) with longer, moderate climbs (4-6% grade) to cover both ends of that adaptation.

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Riding with stronger cyclists naturally pushes your pace into harder zones without it feeling like a structured workout — useful for your 25% high-intensity block. Pair that with focused indoor sessions where you can target specific power numbers without worrying about traffic, weather, or terrain.

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Indoor Bike Training

Smart trainers and ergometers let you hit exact power targets every ride, with no interference from traffic, hills, or weather. You also get real-time feedback on cadence and left-right pedaling balance, which is hard to isolate outdoors. That precision makes indoor sessions a good fit for both ends of the 75/25 split — locking in a steady Zone 2 ride or nailing a sharp high-intensity interval.

TECHNIQUE AND CORE STABILITY

Good pedaling technique matters as much as fitness when it comes to producing power. Smooth, consistent stroke mechanics — minimal hip rocking, stable knee tracking, full use of the glutes, quads, and hamstrings — get more of your effort into the pedals instead of wasted in unnecessary movement. A relaxed upper body and stable shoulders also help, both for aerodynamics and for breathing easier on hard efforts.

A strong core is what lets your legs put that power down without your torso wobbling and bleeding energy. Planks, bird-dogs, dead bugs, and rotational core work two to three times a week build the stability that keeps your hips locked in place through hard efforts and sprints. The stronger your core, the more of your leg power actually makes it to the pedals instead of getting lost in body movement.

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OTHER FACTORS

Power isn’t determined by training alone — your body weight, position, and equipment all play a role too. Leaner riders generally climb and accelerate better than heavier riders putting out the same wattage, which is why pros are so deliberate about managing body mass without sacrificing the muscle that produces the power in the first place.

Riding position is a bigger lever than most people think. Dialing in handlebar height, torso angle, and elbow position can cut aerodynamic drag by 15-20%, meaning more of your power goes toward speed instead of fighting the wind. The goal is finding a position that’s aero without forcing a setup you can’t hold comfortably for the whole ride.

Outside conditions matter too. Every 1% increase in grade costs you roughly 10 extra watts at a steady pace for a 75kg rider, and wind resistance climbs fast once you’re over about 30kph, so small speed gains start costing a lot more power. Tire choice and inflation pressure can also swing rolling resistance by 5-15 watts. Paying attention to gear, position in a headwind, and pacing on climbs all help you get the most out of the power you’ve got.

POWER TO WEIGHT RATIO

Power-to-weight ratio — your power output in watts divided by your weight in kilograms — is one of the best predictors of climbing and acceleration ability. Elite pros typically sit at 5.5-6.5 w/kg at threshold, while most recreational riders fall somewhere in the 2.5-4.0 w/kg range. At the same power output, a lighter rider will climb faster, since gravity has less weight to fight against.

You can improve this ratio two ways: build more power through structured training, or lose excess weight while holding onto the muscle that actually produces your power. The best results usually come from doing both — training to raise your FTP while managing your diet to stay lean, rather than chasing one and ignoring the other.

CONCLUSION

The 75% rule comes down to a simple idea: most of your riding should be easy enough to recover from, so the harder efforts — climbs, sprints, structured intervals — actually move the needle instead of digging you into a hole. Pair that with solid technique, a stable core, smart positioning, and attention to your power-to-weight ratio, and you’ve got a complete approach to building real, lasting power gains.

Stick with it consistently, and the results show up where it counts — on climbs, in sprints, and over the course of a long ride.

James Hickman Bio

James Hickman is a former USA Cycling Expert-level coach who has worked with cyclists at every level, from beginners to competitive racers. He served as a coach for the Leukemia & Lymphoma Society’s Team In Training program, helping riders prepare for and complete century events. A Masters-category racer himself, he competed and earned podium finishes in Southern California events and holds a Platinum finish at El Tour de Tucson, completing the century in under five hours.

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