Most cyclists who add gym work to their training don't actually get faster. They get stronger in the gym, feel more capable off the bike, and then wonder why their watts haven't moved. The issue isn't strength training itself — the research on that is pretty clear. The issue is doing the wrong kind of strength work, at the wrong frequency, stacked on top of a training block with no logical structure.
Why the type of strength work matters more than you think
Let's be honest: a lot of cyclists still treat strength training as general fitness — squats, lunges, leg press, maybe some core work. That's not wrong, but it misses the point if your goal is to go faster on the bike. Cycling performance is shaped by a handful of physiological variables — maximal oxygen uptake, metabolic threshold, and something often overlooked: cycling economy. Economy is your ability to produce a given power output for the least metabolic cost. It doesn't show up on a power meter directly, but you feel it in how fresh you are at hour three of a long ride, or how much you have left for a final climb.
Heavy resistance training — working in the 80–90% of 1RM range — has a specific and well-documented effect on cycling economy. A 2025 systematic review and meta-analysis in the European Journal of Applied Physiology confirmed that heavy strength training improves physiological determinants of endurance performance primarily through non-metabolic pathways: neuromuscular efficiency, inter-muscular coordination, and rate of force development. In plain language, your legs learn to apply force more quickly and with less wasted energy per pedal stroke. A long-term case study published in Frontiers in Sports and Active Living (2022) found that elite cyclists who performed heavy strength training over multiple seasons increased leg press force by 16% after the first preparatory period, with further increases in subsequent years — and that these gains directly translated to sprint power on the bike.
This is why heavy strength training outperforms the moderate, higher-rep "toning" approach for cyclists. If you're grinding out three sets of fifteen with 60% of your max, you're building muscle endurance — something your cycling volume already does. You're not giving your nervous system a new stimulus. To actually move faster on the bike, you need to force a neuromuscular adaptation, and that requires loading the movement with intent. If you're building a proper programme, the LeCoach strength training plan for cyclists lays out how to structure this across a season.
The movements that actually transfer to the bike
Not all lower body strength work translates equally. The single-leg squat, the Bulgarian split squat, the deadlift, and the leg press all have evidence behind them for cyclists — but the mechanism of transfer varies. Bilateral movements like the back squat and leg press produce raw force capacity, especially through the glutes and quads. Single-leg variations mimic the unilateral nature of pedalling more closely and tend to expose imbalances between legs that bilateral work can mask. A 2024 randomised controlled trial comparing off-bike and on-bike resistance training (published in PubMed, NCT register) found that both approaches increased squat and pedalling-specific strength by between 2.6% and 7.3%, and both improved anaerobic power as measured by Wingate testing by around 4%.
Explosive or plyometric movements are worth a separate mention because the mechanism is different. Plyometrics — box jumps, bounding, depth drops — target the rate of force development rather than peak force. Research from the University of Jyväskylä showed maximum power increases of up to 15% over a 12-week plyometric programme, driven by improved motor unit recruitment speed and intermuscular coordination. This is particularly relevant for climbing out of the saddle, sprint finishes, and punchy attacks on short ascents. Most serious amateur cyclists ignore plyometrics entirely, which is a missed opportunity given how little time they require and how differently they stress the body compared to standard gym work.
Upper body and core work matters too, though not for the reasons people assume. A strong trunk doesn't primarily make you more powerful — it stabilises the platform your legs push against. A rider who is collapsing at the hips on climbs is wasting force in rotational movement that should be going straight into the pedals. Planks, Pallof presses, and single-arm cable rows address this more specifically than generic core circuits. For a deeper look at how to build this into a full year programme, the strength training for cyclists guide covers periodisation and movement selection in detail.
Frequency, timing, and the interference problem
The biggest practical mistake cyclists make is treating strength training as an add-on without accounting for how it interacts with their riding. Endurance and strength training trigger opposing cellular signalling pathways — AMPK for aerobic work, mTOR for hypertrophic and strength adaptations. When you do both in the same session or too close together, you dilute the adaptation from each. This is the interference effect, and it's real. Research from the Australian Institute of Sport has shown that poor sequencing of strength and endurance sessions can suppress strength gains without improving endurance outcomes.
The practical guidance from current evidence is to separate strength and endurance sessions by at least six hours where possible, and to do strength work after an easy ride rather than before a hard interval session. Two strength sessions per week is generally the sweet spot for recreational and trained cyclists — enough to generate progressive overload without accumulating fatigue that bleeds into riding quality. During heavy training blocks, one session per week is enough to maintain the gains you've built. A 2022 Frontiers study found that strength adaptations can be maintained with as little as one heavy strength session every ten days during competition periods, which removes the excuse that race season means stopping gym work entirely.
Volume management is worth being direct about: more is not better. Elite cyclists doing structured strength programmes typically work in the 4–6 repetition range, across 3–4 sets, on two to three compound movements. That's a 40-minute session. You don't need an hour and a half in the gym. You need enough stimulus to drive adaptation, enough recovery to absorb it, and enough riding to convert it into actual cycling fitness.
Common mistakes that cancel out the benefit
Cyclists new to strength training tend to make a handful of recurring errors. The first is training to failure on every set. There's a persistent belief that sets need to end in grinding, struggling reps to count. They don't. Non-failure training — stopping one or two reps short of where form breaks down — produces the same strength adaptations over time with significantly less accumulated fatigue. This matters because fatigue from strength training carries over to the next morning's ride in a way that isn't always obvious until you're ten minutes into a climb and wondering why your legs feel flat.
The second mistake is ignoring the off-season. Strength training is most productive when riding volume is lower, because the competition for recovery resources is smaller. Many cyclists do the opposite — they train hard all summer, feel tired, and plan to add gym work "in the winter" but never quite get around to it. The off-season is exactly when a structured 8–12 week strength block makes sense. You build the neuromuscular foundation, you allow time for the initial soreness to resolve before you're riding hard again, and you arrive at early-season training blocks physically more capable than you were twelve months before.
The third mistake is treating strength training as separate from the rest of the plan — an extra thing done on top of an already full schedule, with no adjustment to riding load. If you add two strength sessions per week without modifying anything else, you'll accumulate fatigue and feel stale. The cycling training needs to flex around strength work, especially in the first four to six weeks. Reduce the intensity or duration of the riding sessions closest to your gym days until you've established how your body responds. From there, the best strength training plan for cyclists and the foundational strength training basics for cyclists article are good next steps for building this out practically.
Related reads
- Best strength training plan for cyclists
- Strength training basics for cyclists
- LeCoach strength training plan for cyclists
Sources
- Rønnestad, B.R., et al. (2025). Heavy strength training effects on physiological determinants of endurance cyclist performance: a systematic review with meta-analysis. European Journal of Applied Physiology. Springer Link
- Vikmoen, O., et al. (2022). Effects of Multiple Seasons of Heavy Strength Training on Muscle Strength and Cycling Sprint Power in Elite Cyclists. Frontiers in Sports and Active Living. Frontiers
- Barbosa, T.M., et al. (2024). Off- and On-Bike Resistance Training in Cyclists: A Randomized Controlled Trial. PubMed. PubMed
- Rønnestad, B.R. & Mujika, I. (2014). Optimizing strength training for running and cycling endurance performance. Scandinavian Journal of Medicine & Science in Sports, 24(4), 603–612.