Bike Rims

The right rim determines which tires you can run, how your wheel accelerates, and how it handles on the road or trail. Internal width, rim depth, and material all influence performance, durability, and ride feel. Whether you're building a lightweight road wheel, upgrading your MTB setup for wider tires, or looking for a versatile gravel rim, you'll find aluminum and carbon bike rims at BIKE24 – in all common sizes and for both disc and rim brakes.

Building a new wheelset or replacing a worn rim? Choosing the right rim is where it starts.

• Optimized rolling performance: The right internal width supports the tire properly, reducing rolling resistance and improving grip.
• Weight and acceleration: Lighter rims spin up faster, whether you’re climbing or sprinting.
• Stability and durability: Premium materials and careful wheelbuilding deliver long-term strength and reliability.

Road, MTB, and gravel riding all place different demands on a rim. Road riders often choose lightweight or deeper rims for speed and efficiency. MTB rims are wider and built to handle impacts and rough terrain. Gravel rims balance both – stable on dirt but still fast on pavement. Material, brake type, and tire compatibility also affect how your wheel performs. The categories below help you choose the right rim for your setup.

Road bike rims typically use a 700C (28 inch) diameter and internal widths of 19 to 23 mm, which work well with 28 to 30 mm tires. This combination improves aerodynamics, comfort, and cornering stability. Deeper rims from 40 mm and up help reduce drag on fast, flat roads, while shallower rims are often preferred for climbing. Carbon rims are common for performance road setups thanks to their stiffness, low weight, and aerodynamic shapes. Aluminum rims remain a durable and affordable option for training and everyday riding.

MTB rims are most commonly available in 27.5 inch and 29 inch sizes. With around 30 mm internal width, they support 2.35 to 2.5 inch tires for more grip, control, and cornering stability. Asymmetric rim profiles help balance spoke tension and improve durability. Aluminum rims dominate mountain biking because they handle impacts well and are easier to repair. Carbon rims appear mainly in XC and performance setups where lower weight and higher stiffness are priorities.

Gravel riders typically choose 27.5 inch or 29 inch rims. Internal widths of 21 to 28 mm work well with everything from slick road tires to 50 mm gravel tires, giving you flexibility across different surfaces. Carbon rims with depths of 35 to 50 mm help maintain speed on pavement while remaining stable on rough terrain. Aluminum rims offer durable versatility for mixed riding, while carbon rims combine low weight with aerodynamic efficiency for long gravel rides.

For touring and city bikes, durability and reliability come first. 28 inch aluminum rims with 32 or 36 spokes are a proven choice for commuting, everyday riding, and loaded tours. E-bikes need reinforced rims that can handle higher system weights. Heavy-duty models may support system weights up to 150 or even 180 kg. Alongside the standard 28 inch size, smaller rims such as 20 or 24 inch are common on folding bikes and cargo bikes. Both rim brake and disc brake rims are available, though durable aluminum rims are the most common choice in this category.

Start by making sure the rim size matches your frame and fork. From there, your riding style and wheel build determine which rim works best for your setup. Rim construction and compatibility also affect how your wheel rides and performs. On road bikes, weight and aerodynamics are usually the priority. On MTBs, strength and internal width matter most. Gravel rims aim to balance efficiency on pavement with stability on rough terrain.

The right rim influences how your bike rides: how quickly it accelerates, how precisely it corners, and how confidently it handles hard impacts. Choosing the right model can transform your wheelset – whether you’re aiming for maximum speed or long-term durability. At BIKE24, you’ll find carbon deep-section rims for race setups as well as durable aluminum rims for demanding trails from brands like DT Swiss, Mavic, Duke, Newmen, Ryde, and many more. Thanks to strong product availability, you don’t have to delay your wheel upgrade – you can start building your wheelset as soon as the parts arrive. Not sure about internal width, spoke hole count, or tubeless compatibility? Our customer service team is happy to help you find the right rim for your setup. Looking for help with wheel maintenance? Our wheel truing guide explains how to get your wheel running straight again.

And because a great wheel requires more than just a rim, you’ll also find bike hubs and spokes and nipples at BIKE24 - everything you need for your custom wheel build.