Wheelset upgrades are perhaps the most significant improvement you can make to your bike.
Yes, the drivetrain is what gets those wheels moving, and a frame affects ride feel, but wheels arguably have the greatest impact on the quality of your ride.
There are many factors to consider when choosing a new set of wheels. Can’t decide between aluminum vs carbon or clincher vs tubeless?
We’ve got you covered.
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If you already know what you are after but need some recommendations, then read on.
Here are 8 of the best wheelsets for road bikes today.
1. Shimano Dura-Ace C24
With so much focus on Shimano’s extensive family of drivetrain components, we sometimes forget that the company makes a lot more than derailleurs, cranks, and shifters. Wheelsets are one of those items, and we shouldn’t overlook them.
For a testimonial, look no further than the World Tour. Six pro teams are currently rolling on Dura-Ace wheelsets. The C24 (a reference to its 24mm rim depth) is the climbing version of the Dura-Ace wheelset, which also comes in C40 and C60 sizes.
But unlike its wider-rimmed brethren, which are also available as tubeless rims, the C24 is only available in clincher. Shimano goes with a hybrid approach with the rim material, marrying a thin aluminum wall with a carbon laminate coating to create a strong, rigid, and lightweight rim.
One of the highlights of the Shimano Dura-Ace C24 is the cup and cone bearing design that makes this one of the smoother rolling wheels you can buy.
2. Fulcrum Racing Zero CMPTZN
Fulcrum uses cutting edge technology to improve wheel rotation and balance with the Racing Zero.
When it comes to an excellent racing wheel, bearings make a huge difference. They determine just how easily the wheel will turn on the hub. Fulcrum uses CULT ceramic bearings to provide rotation that Fulcrum says is nine times smoother than standard bearings.
And while this aluminum rim wheelset may be a bit heavier than its carbon counterparts, Fulcrum has milled down the rims to cut as much weight as possible while still maintaining optimum stiffness.
The Racing Zero incorporates MoMag tech into the rims, maintaining even tension throughout the rim by eliminating stress points. The Racing Zero also includes Fulcrum’s Dynamic Balance System, which counters the valve stem’s weight with the equivalent load on the opposite side of the rim.
3. Zipp 202 Firecrest
Zipp has dominated the carbon wheel market for a long time now and for good reason. The company just can’t seem to get it wrong when it comes to carbon rims. Such is the case with its Zipp 202 Firecrest wheelset, which is an impressive carbon all-rounder.
Although not as aerodynamic as the 303 or 404, Zipp uses dimpling to improve airflow and hence aerodynamics. With its lower profile, the 202 Firecrests excel on long climbs.
Zipp also uses a wider rim, and 2-cross spoke to increase stiffness for braking and pedaling.
The hub incorporates Zipp’s new 77 hubs on the front and 177 on the back, adding stiffness and durability over previous Zipp wheels. Disc brake compatibility adds reliable stopping power without the complications that come with carbon and rim brakes.
The Zipp 202 Firecrest rims are tubeless, making flats much less of a disaster.
4. Enve SES 2.2
Once you get past the idea that carbon is too fragile for bike components (it isn’t), embrace the advantages that Enve’s new carbon hub adds to the performance.
Enve molds the holes in its carbon hub, as opposed to drilling them, making them strong and light. The wheelset weighs in at just 1350g. The hub isn’t the only part of the SES 2.2 that it has improved upon.
Enve’s build quality is remarkable, with all spoke and valve stem holes all molded rather than drilled, preserving the durability of the carbon fiber. It has also upgraded its brake track by creating a new brake surface, which Enve says improves brake performance by more than 30% over its predecessor, including improvements to braking in wet weather.
The Enve SES 2.2 also uses shallower rims, cutting grams while allowing for quicker accelerations, improving climbing performance, and negating stiff crosswinds.
5. Zipp 303 NSW
Although the name Zipp has become synonymous with top of the line when it comes to carbon rims for some time now, perhaps the biggest highlight of the NSW 303 rims aren’t the rims themselves, but rather the Cognition hub, which may just be revolutionary.
Without going into great technical detail, the hub incorporates magnets instead of steel rings to create the tension on the pawls that engage the wheel while pedaling, decreasing friction when freewheeling. It also has the interesting effect of replacing the typical buzzing noise that is ubiquitous on most road bikes with a much deeper hum.
Zipp goes with a mid-depth rim, making a compromise between aerodynamics, weight, and handling. Zipp has also gone with tubeless tires for the 303, resulting in better puncture protection and improved comfort.
In keeping with current trends, Zipp designed the NSW 303 for disc brakes.
6. Campagnolo Bora WTO 45
Campagnolo Bora WTO 45’s are a versatile set of wheels that are equally at home on climbs as they are on windy flats thanks to the Bora’s mid-depth rim width, which is light enough for ascending while maintaining excellent aerodynamics for flats.
Campy claims that at certain angles, the wind will act as a thrust on the wheels.
Campy designed the rim to handle both clincher or tubeless tires. And since Campy uses a magnet through the rim to place the spokes, there are no holes and hence no need for rim tape, trimming valuable milligrams and making the carbon rims stronger.
The hub is also an impressive feature of the Bora WTO 45. It uses ceramic bearings that are 50% smoother, according to Campy, not to mention lighter. Campagnolo has also redesigned the hub to improve aerodynamics while at the same time increasing the Bora’s spoke count for added strength.
All of this effort put into weight savings pays off. The Bora is one of the lighter weight disc brake wheelsets you can find, weighing in at just 1,496g.
7. Enve SES 5.6
Is there a reason for a disk brake wheelset to have a brake track? Then why do so many still have them?
Rather than save R&D costs by repurposing an older design, Enve instead designed a wheel that ditches the brake track for better aerodynamics. Although the change is subtle, a slight change in the profile, Enve says it improves airflow where the tire and rim meet, improving overall aerodynamics.
In addition to being aerodynamic, the Enve SES 5.6 is also strong. Enve’s manufacturing process involves molding the valve and spoke holes as opposed to cutting into the carbon, weakening it. This has the effect of making the rim very stiff yet lightweight.
Enve designed the SES 5.6 for versatility with a mid-depth rim. For this year’s model, Enve has updated the spoke design to add stiffness and improve durability.
8. Zipp 404 NSW
The Zipp 404s feature all the pluses of the Zipp 303, including the impressive Cognition hub, which makes the roll of the wheel dramatically smoother.
Both wheelsets are also tubeless-ready. The only real difference between the two is in the rim depth. While the 303 features a rim depth of 45mm, the 404 ups that to 58mm.
This makes the Zipp 404 NSW more aerodynamic but a little less versatile. It’s best suited for flats. It also makes the 404 wheelsets slightly heavier.
Like the 303, the 404 incorporates one Zipp’s new SawTooth Technology, which includes 12 clusters of dimples molded into the rim. Without going into the mind-numbing physics of how this works, the effect, according to Zipp, causes the wheel to be 34% less impacted by side wind forces.
For anyone who has ever ridden wide rims on windy days, this is no small thing.
Road Bike Wheels Buyer's Guide
Believe it or not, there is a lot to consider when shopping for a new set of wheels. And, given that a single set can run as much as $3,000, you’d better know your stuff before pulling the trigger on a purchase.
Don’t worry; we’re here to help take you through this process.
Here are 7 things to know before buying your next road bike wheelset.
Low, Mid or High Profile Rims
If you’ve watched enough pro cycling, you’ve seen how varied rim depths on wheelsets can be. You can find rim depths (or profiles) ranging from 20mm up to more than 50mm.
What’s the difference?
- Low profile (20mm to 30mm), which includes the Fulcrum Racing Zero, are lightweight and generally used for climbing, where aerodynamics are not as critical as weight savings.
- Mid-profile (30mm to 50mm) which includes the Zipp 303 NSWs and Campagnolo Bora WTO 45s, are more versatile, designed for riders to take on all types of terrain. Mid-profile rims are both light enough for climbing but aero enough for flats.
- High-profile (50mm or more) such as the Zipp 404 NSWs and ENVE SES 5.6s, are 50mm and up in depth. As they are heavier, high profile wheels are generally reserved for flats and criteriums and aren’t suitable for climbing. The profile of these wheels also makes them more susceptible to high crosswinds.
Carbon vs. Aluminum Rims
Remember when the idea of carbon rims conjured images of wheelsets disintegrating at high speeds?
The use of carbon wheelsets on the World Tour has dispelled the belief that carbon is too fragile for wheelsets. This evolution, coupled with the acceptance of disc brakes on road bikes, has opened the door for a bevy of new and inventive wheelsets.
And although aluminum, as with frames, is finding itself pushed aside, there is still plenty of need to alloy rims in the market.
With technology that has eliminated the need for spoke and valve holes in the rims, many of the top wheelsets, including the Zipp NSW 303 and 404, as well as the Enve SES 5.6, are using carbon for their rims.
Some including the Enve SES 2.2, are now using carbon hubs. Like most bike parts made with carbon, the main advantage here is the weight.
The more carbon components on your bike, including the wheels, the lighter the bike.
But in addition to weight, carbon also offers increased stiffness, which means better performance.
Having said that, aluminum still has its lure.
In addition to being strong and durable, the same advancements in rim technology that have benefited carbon are also helping aluminum. Without the need for holes in the rim, aluminum rims can be shaved down to size, reducing weight without compromising strength.
Then, of course, there’s cost. As with most carbon components, carbon wheels are significantly more expensive than their aluminum counterparts.
Clincher, Tubless or Tubular?
Rims come in three different types; clincher, tubeless, and tubular, with the former being the most common.
Although clincher tires have historically been the most popular of the three, especially among non-pros, that has changed recently. More and more wheelset manufacturers are creating wheelsets for tubeless tires.
Read More : The 16 Best Tires for Road Bikes
This is mainly because tubeless tires are much easier to maintain if punctured. When paired with a tire sealant, tubeless tires self-repair from punctures, typically only needing a quick pump from a CO2 cartridge to get you back on the road.
Tubular, meanwhile, requires the much more complicated use of pry bars and wheel removal to be replaced or repaired. Only the pros use tubular tires and wheelsets. These setups are the lightest and also allow one to continue riding on a flat.
Tubular tires can also handle tire pressures up to 140 psi. The complicated and messy installation process (tubular tires must be glued to the rim) makes tubular much less attractive for those of use without our own personal bike mechanic.
Narrow vs Wide Rims
Width, like depth, largely determines the feel of a wheelset.
The trend in recent years has been for rims to be wider. This is because wider rims equate to better aerodynamics and increased comfort as a wider rim means more air volume in the tire.
Identifying rim width on a wheel can be a little confusing as width can be measured internally and externally.
Internally measured rims are usually indicated by a C following the measurement. Internally measured rims under 15mm are generally considered to be narrow, while rims greater than 17mm are considered to be wide.
For external measurements, anything under 19mm is narrow, while any measurement over 22mm is wide.
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Rim vs Disc Brakes
It used to be that rim brakes were the standard on road bikes. But, with the advent of lighter weight low profile disk brakes, that’s all changed.
More and more road bike manufacturers are equipping their bikes with disc brakes.
Disc brakes are now commonly found on the pro tour teams today. This has to do with the fact that disc brakes offer much more power than rim brakes. They also eliminate some of the overheating issues that come into play with rim brakes and carbon wheelsets.
That said, many wheelsets are available in both, although some manufactures, including Enve, have begun designing wheelsets designed solely for disc brakes.
Disc brakes rotors come in two types, 6-bolts and centerlock (AFS).
- 6-bolts are named so simply because the brake rotor attaches to the wheel via six bolts.
- Centerlock, which you’ll find on most newer wheelsets, works by attaching via a single-center spline mount and lock ring. Centerlocks offer more precision because they are easier to center and do not warp as easily as 6-bolt rotors.
Rear Freehub Compatibility
With the multitude of drivetrain and freehub possibilities on the market such as Shimano, SRAM, SRAM XDR, and Campagnolo, determining what the right option is for your wheelset purchase can be confusing.
Let’s begin with the basics.
The freehub is the part of the rear wheel to which the cassette is attached. For the freehub to hold the cassette, both need to be compatible with each other.
Begin by first identifying the rear cassette brand and whether it’s a 10, 11, or 12 speed. Once you’ve correctly identified your cassette, you can determine which freehub style you need for your new wheelset:
- HyperGlide (HG) freehubs are among the most common and will fit Shimano and SRAM drivetrains with 8, 9, 10, and 11 speeds with at least 11 teeth on the smallest cog.
- Campagnolo designs its hubs to hold cassettes with cogs no smaller than 11 teeth. Campy freehub bodies fit 8, 9, 10, 11, and 12-speed Campagnolo cassettes.
- SRAM XDR is the road version and allows for a broader range of gears, including cogs smaller than 11 teeth. These freehubs will fit SRAM XDR cassettes with 12-speed drivetrains.
Maximum Rider Weight
Most wheelsets are pretty sturdy, but they do have their limitations. Larger cyclists may want to pay attention to wheelset weight limits.
Although carbon wheels may be stiffer than aluminum, when it comes to strength, alloy wins. Aluminum wheels such as the Dura-Ace C24 has no listed rider weight limit.
Carbon, in comparison, isn’t quite as strong. Zipp lists a rider weight limit of slightly less at 250 lbs for its NSW 303 wheelset.