Does Rim Width Make A Difference? with GCN
Source: GCN Youtube Channel: Does Rim Width Make A Difference?
Video Does Rim Width Make A Difference? with Global Cycling Network
Video Does Rim Width Make A Difference? with Global Cycling Network YouTube Channel.
Does Rim Width Make A Difference?
Global Cycling Network: Understanding the Importance of Rim Width
In the world of cycling, there are many factors that can affect the performance and feel of your bike. One often overlooked aspect is rim width. Some people may feel uncomfortable talking about rim width, but it is actually one of the most important choices you can make when it comes to your gravel bike. Rim width can have a significant impact on your comfort, speed, and puncture resistance.
What is Rim Width?
Rim width refers to the measurement across the width of the wheel rim. There are two measurements to be aware of: external and internal rim width. External rim width affects aerodynamics, while internal rim width affects the way your bike feels to ride. When it comes to gravel biking, internal rim width is what matters most to the majority of riders.
The Theory Behind Rim Width
The shape of the tire is greatly influenced by the rim width. A wider rim allows for more air volume inside the tire, resulting in a more comfortable and faster ride on rough terrain. Wider tires act as a larger spring, absorbing bumps and providing more control. This can lead to a more enjoyable and efficient riding experience, particularly on gravel trails.
On the flip side, if your rim width stays the same while your tires get wider, the shape of the tire will be altered significantly. This can affect the bike’s handling and overall feel on the road. It is important to find the right balance between tire width and rim width to ensure optimal performance.
The Blind Test: Putting Theory to the Test
In a blind test conducted by the Global Cycling Network, two pairs of Shimano wheels were used to compare the impact of internal rim width on the riding experience. One pair had a 21mm internal rim width, while the other had a 25mm internal rim width. Both pairs were fitted with 40mm wide Pirelli tires.
The test involved riding a bumpy drag followed by a smooth single track trail. Despite not being able to see which wheels were being used, the rider was able to feel the difference in performance. Lower pressures and wider rims provided more control and responsiveness, particularly in corners and slippery conditions.
The Importance of Finding the Right Rim Width
While rim width may not be as crucial as other factors like saddle height or gear ratios, it can still make a significant difference in the way your bike performs. Choosing the right rim width, particularly for gravel biking, can enhance comfort, control, and overall enjoyment of the ride.
According to tire manufacturer Pirelli, a 25mm internal rim width is optimal for 40 to 45mm gravel tires. This combination offers a good balance of comfort and control, allowing riders to adjust tire pressure for the desired ride feel.
In conclusion, rim width is an important consideration when selecting new wheels for your bike. While it may not be a make-or-break factor, it can significantly impact the way your bike handles and feels on different terrains. By understanding the relationship between rim width and tire width, cyclists can make informed choices that enhance their riding experience.
Overall, rim width plays a crucial role in determining the comfort, speed, and control of your bike. By choosing the right rim width for your gravel bike, you can optimize your riding experience and enjoy smoother, more responsive rides on a variety of terrains. Whether you prioritize comfort, speed, or puncture resistance, the right rim width can make a noticeable difference in how your bike performs.
The opinions expressed in this space are the sole responsibility of the YouTube Channel Global Cycling Network and do not necessarily represent the views of CicloNews.
