Why Use a Rocker Plate? Is It Worth It? 3 Main Reasons Explained!

Why use a rocker plate: A rocker plate on a wooden floor with a bike trainer and a mounted bike (view from the floor level)

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This article explains why using a rocker plate is worth spending hundreds of dollars or building your own. I will help you decide if it is an accessory you should even consider. And finally, you will also learn more about the benefits & disadvantages of rocker plates.

KEY TAKEAWAY

Rocker plates will significantly improve your riding comfort by reducing chafing in your intimate areas. They will also help you engage your core muscles as you balance. And finally, they will make your indoor cycling experience more realistic and reduce the stress on your frame.

Abbreviations used: RP – rocker plate, RPs – rocker plates

When to Consider Buying a Rocker Plate?

Rocker plates are not cheap; you can spend this money on other bike trainer accessories, a power meter, etc. So, when should you consider buying it?

  1. You use your bike trainer often (e.g., 3 or more times per week) or ride long indoor rides (over 2 hours).
  2. You experience saddle discomfort during indoor training.
  3. You want to make your indoor training more engaging.

Benefits of Rocker Plates

Here are the three most important reasons to use a rocker plate.

1. You Will Enjoy Better Riding Comfort

When I talked with friends who cycle and asked them why they don’t want to ride indoors, they mostly mentioned two main reasons:

  1. It’s boring.
  2. It’s uncomfortable.

And I agree that if you don’t have a super comfy bike fit, you most likely experience saddle discomfort.

It is caused by the bike’s fixed position in the trainer. When you pedal, your pelvis rolls from side to side, which can cause friction and pressure on your soft tissues.

An illustration of a saddle discomfort between pelvis (ischium bones) and the saddle

So, how does the rocker plate help?

The principle is simple. Rocker plate’s swinging (side-to-side) motion allows your bike and the saddle to move underneath your butt, reducing the pressure.

TIP: You might also be interested in these prostate-friendly saddles.

Rocker plates simulate outdoor riding conditions because, when you cycle outside, the saddle moves in a wave-like motion as you pedal.

A simple illustration of a bike saddle movement when riding outside
An illustration of a saddle movement when riding outside

I recommend reading my article on improving indoor cycling comfort for more actionable tips.

2. You Better Engage Your Core Muscles

The fixed bike’s position in a bike trainer brings another disadvantage. It doesn’t force you to keep your balance.

This means you don’t have to engage core muscles as much. But add a side-to-side motion, and voila! Your core muscles engage more because you will be forced to balance.

Rocker plate - Side-to-side movement
Rocker plate side-to-side motion | Source: Saris

According to this study, the performance benefits of core training were not demonstrated, and further research is needed.

However, the same study suggests that strengthened core muscles can help prevent injuries.

There is something about core training among cyclists, though. For example, Peter Sagan is (except for his famous victories) known for his core training and yoga.

Core Training in Mallorca
Peter Sagan’s core training

And Nino Schurter is another great example of a (mountain) biker who also spends a lot of time training his balance and core strength.

FITTER, FASTER, STRONGER. Ep. 1 - Hittin' the Gym w/ Nino Schurter
Nino Schurter’s core training

3. You Experience More Realistic and Engaging Rides

Riding on a bike trainer feels artificial. You mainly focus just on pedaling, not on what is happening around you, maintaining your balance, etc.

Rocker plates make indoor training more like riding outside and more engaging. Especially if the rocker plate also features fore-and-aft travel, adding another motion dimension.

But this is a love-or-hate feature that takes time to get used to (more about it below).

BONUS: Reduced Stress on Your Bike Frame

Even today, people think that using a bike trainer may damage their carbon frame. I summarized multiple sources that busted this myth in this article.

However, if you are concerned about your frame’s durability, one of the benefits of rocker plates is that they help improve it.

The RP’s side-to-side motion doesn’t just relieve the pressure on your intimate areas but also on your bike frame.

Disadvantages of Rocker Plates

Rocker plates are not just about benefits, though. Aside from their price, they are not perfect.

Rides out of the saddle don’t feel natural, and the same way as outside. Let me explain.

When riding outside (out of the saddle), we use our arms to pull the handlebars up and down. This synchronized movement feels different on a rocker plate.

The physics doesn’t work when you try the same technique on a rocker plate.

Check out this video from GPLama, where he explains it further.

Indoor Cycling Trainer Rocker Plates - Round 2 // Rockit Launcher
GPLama explains the wrong riding technique on a rocker plate

The fore-and-aft movement also won’t appeal to everybody. If you have ever tried Tacx Galaxia rollers, it is pretty similar. Some riders like me like it, and some hate it. You have to try it to form your opinion.

Summary

If you do long endurance rides indoors or train often, a rocker plate is an investment that pays off with added comfort, more engaging rides, and better core muscle engagement.

Feel free to check out my selection of the best rocker plates on the market to find the one that suits your budget and preferences.

Do you find this article helpful, or do you have any questions? Please share it with your friends or leave a comment below.

Rocker Plates FAQ

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