How to choose the rim?
How to Choose the Perfect Rim: A Complete Guide to Elevate Your Ride
When it comes to road bikes, the key factors affecting speed can be categorized into five elements: frame, wheelset, cycling gear, bike fit, and the rider's physical condition. While human performance requires dedicated training over time, this guide focuses on equipment optimization - particularly highlighting the two most impactful components: frame and wheelset. These two elements serve as the primary power transmission system, converting your pedaling energy into forward momentum.
As the core structural component, the frame's importance is widely recognized. However, many cyclists overlook the performance influence of wheelsets when upgrading their bikes. A common misconception leads riders to prioritize drivetrain upgrades, not realizing that component group improvements offer minimal direct performance gains.
In reality, upgrading your wheelset delivers the most immediate and tangible performance boost. A high-quality wheelset can transform an entry-level bike into a speed machine - comparable to upgrading from an ox cart to a supercar. Conversely, inferior wheels can drag down even the most premium frames, turning your high-performance machine into a sluggish performer. Just as a champion horse deserves a champion saddle, a serious road bike demands exceptional wheelset technology.
With countless wheelset options creating decision paralysis, we've crafted this comprehensive buyer's guide to help you navigate the market. Whether you're targeting aerodynamic efficiency, lightweight climbing performance, or all-around versatility, this guide will help you make informed decisions to unlock your bike's true potential.
Current Road Bike Wheelset
The modern road cycling market primarily categorizes wheelsets into three performance-driven classifications: aerodynamic wheels, climbing wheels, and all-around wheels.
Aerodynamic Wheels
Characterized by "deep-section rims" (typically ≥50mm depth) combined with wide-profile or fully enclosed disc designs, these wheels prioritize drag reduction through wind tunnel-validated shapes. Their performance advantages include minimal wind resistance, superior high-speed stability, and sustained cruising efficiency. However, the increased rim depth adds rotational mass (usually 1,400-1600g/set), which compromises acceleration responsiveness and climbing agility.
From an engineering perspective, deeper rims shorten spoke length, enhancing lateral stiffness while reducing the frontal area exposed to airflow. The extended airflow path along the rim depth accelerates surface air velocity, creating low-pressure zones that minimize drag. While this design improves momentum retention and crosswind stability, the higher inertia makes speed modulation less immediate – a critical consideration for riders seeking rapid acceleration.
For professional road racing, 50-65mm depth wheels dominate due to UCI compliance, with 50mm depths recommended for mixed terrain. Triathlon/time trial specialists often opt for 60mm+ or full-disc configurations. Notably, riders exceeding 90-100kg may prioritize stiffness-to-weight ratios over weight savings, making deep-section wheels (≥60mm) a better choice despite climbing limitations.
Climbing Wheels
Climbing wheels are engineered as the ultimate acceleration-focused solution for steep gradients, prioritizing weight reduction above all else. With rim depths typically under 35mm and a focus on ultra-light construction (often below 1,000g per set), these wheels minimize rotational mass to maximize climbing efficiency. Every gram saved translates directly to faster accelerations on climbs, making them indispensable for riders tackling long, demanding ascents.
Unlike all-around or aero wheels, climbing rims sacrifice aerodynamic efficiency and high-speed stability for pure weight savings. Their shallow profile (24–35mm depth) and narrow internal width (24–27mm) optimize tire integration for 23–25mm road tires, reducing drag on climbs while maintaining critical stiffness. This design ensures power transfer is nearly instantaneous—no sluggishness when pushing hard uphill.
If your route demands relentless climbing, these wheels deliver the purest acceleration advantage. They’re not for all conditions, but for the climbs that define your ride, they’re irreplaceable.
All-around Wheels
All-around wheels redefine versatility in modern cycling, engineered to excel across diverse terrains without compromise. Designed with a harmonious 38–50mm rim depth and 30mm internal width, these wheels deliver the ideal blend of aerodynamic efficiency, climbing agility, and crosswind stability—making them the ultimate single-wheelset solution for riders who value adaptability over specialization.
Unlike dedicated aero or climbing wheels, all-around rims avoid extremes: the mid-depth profile reduces drag on flats while maintaining lightweight responsiveness for climbs, and the 30mm internal width optimizes tire integration for 25–32mm road or light gravel tires. This ensures confident grip on rolling hills, smooth handling in variable winds, and effortless acceleration—without the sluggishness of deep-section rims or the fragility of ultra-shallow designs.
Gravel Wheels
Gravel wheels are purpose-built for diverse off-road adventures, designed to conquer gravel paths, dirt trails, and unpredictable terrain with confidence. Their defining traits lie in the perfect balance of wide internal width (32mm) and moderate rim depth (45–55mm). This combination unlocks exceptional performance: the 32mm width securely accommodates 40–50mm tires, enhancing grip on loose surfaces while smoothing out rough vibrations for all-day comfort. Meanwhile, the 45–55mm rim depth strikes a strategic compromise—lightweight for agile climbing yet aerodynamic enough to maintain speed on open stretches, eliminating the need to sacrifice stability for efficiency.
Unlike specialized wheelsets, gravel wheels thrive on versatility. They adapt effortlessly across paved roads, gravel sectors, and light singletracks—transforming your bike into a true all-terrain companion. Whether navigating urban commutes or remote backcountry trails, these wheels eliminate the hassle of switching setups. Their effortless adaptability tackles technical challenges: wide tires absorb shocks, lightweight construction reduces fatigue, and precise tire integration minimizes pinch-flat risks.
How does the height of the rim affect the airflow?
The height of the wheel frame determines whether the spoke drive position is close to the hub or far from it. Under the same driving force, the spoke drive point of the low-frame wheel set is further outward, which means that with the hub axis as the center, the effective driving force arm is longer, making it easier to drive the wheel frame; at the same time, since the low-frame wheel set is generally lighter than the high-frame wheel set, the acceleration response will have a significant advantage over the high-frame wheel set.
The high-frame wheelset can use shorter spokes. During the movement, the spokes that cut through the air become shorter, which can help reduce a certain amount of wind resistance. At the same time, the high-frame wheelset has a better flow guiding effect on the air, especially the fat-ring wheelset. It allows the air to travel a longer path when passing over the surface of the wheel frame, making the air flow pass more quickly and with less pressure, thus reducing wind resistance. Additionally, the rim of the high-frame wheelset is relatively heavier and has greater inertia, making it more difficult to change its movement state. Therefore, accelerating and decelerating require more effort, resulting in a sluggish acceleration response and a tendency to maintain high-speed cruising more easily.
How to choose the inner width of the wheel rim?
Why are the inner widths of highway wheelsets getting closer to those of mountain bike wheelsets? The reason is that wider tires offer better comfort and lower rolling resistance. The actual width of the tires is closely related to the inner width of the rims. The larger the inner width, the wider the tires expand. Taking the mainstream 25c tires as an example, when used on a 19mm inner width rim, the actual width is 25-26mm, and when used on a 21mm inner width rim, the actual width reaches 26-27mm. The larger the inner width, the greater the air capacity of the same tire, so it can use a lower tire pressure, which is equivalent to not increasing weight but obtaining the advantage of a wider tire.
For the same model of tires, whether it is 25c, 28c or 30c, if the same tire pressure is used and the same rider's weight is considered, the amount of tire deformation and compression is the same, that is, the comfort of the same tire pressure is the same. Because wide tires have a larger air capacity, the contact shape of the tires with the ground is closer to a circle, so they can use a lower tire pressure to improve comfort without losing rolling resistance.
In recent years, as the trend toward wider internal rim widths has accelerated, 23–25mm internal width road rims have gradually become the new mainstream choice for cyclists. Empirical data demonstrates that this configuration reduces rolling resistance by 5%, significantly improving riding efficiency. Simultaneously, the wider rim allows for lower tire pressure, which enhances road vibration absorption and greatly improves ride comfort. Compared to 23mm internal width rims, the 25mm design offers a more balanced blend of comfort and performance. The widespread adoption of this specification by professional cyclists in World Tour races, alongside consistent market feedback, confirms its optimal balance of speed, comfort, and adaptability across diverse riding conditions.
R23
Climbing Wheels:Lightweight and rapid-response design
Our design has eliminated all unnecessary weights, creating the ultimate climbing companion. Our 28mm deep and 23mm inner width wheel rim is not only lightweight - but also compact and user-friendly. Each wheel weighs only 245 grams, eliminating rotational resistance while not sacrificing the rigidity needed to directly transfer all power to the road surface.
This isn’t about chasing aerodynamics—it’s about responding. The shallow 28mm profile and narrow 23mm internal width ensure your tires sit perfectly, maximizing grip on steep gradients while keeping the rim featherlight. You’ll feel the difference the moment you push harder: no sluggishness, no wasted energy. Just pure, immediate acceleration as you conquer each rise.
GR25
All-around Wheels:Riding Everywhere
With a refined 25mm internal width, it perfectly cradles 28–32mm tires for confident grip on rolling roads and light gravel, while the 45mm/55mm rim depths deliver the sweet spot between agility and stability.
At just 315g (45mm) and 345g (55mm), these wheels vanish under your feet. The lightweight design means every pedal stroke translates to forward motion, not wasted energy—whether you’re climbing a gentle hill, cruising on open roads, or navigating unpredictable terrain.
Enhanced crosswind resistance versus climbing wheels, combined with improved acceleration responsiveness over deep-section designs.Maintains 80% of aero wheel performance while offering 90% of climbing wheel agility – a critical advantage for unpredictable route profiles.For riders prioritizing route flexibility over marginal gains, these wheelsets eliminate the need for multiple dedicated setups.
WG32
RedefiningGravel Versatility
We designed our gravel wheelset to redefine versatility without compromise. With a 32mm internal width, our rims effortlessly accommodate 40–50mm tires—delivering unmatched traction on loose gravel, muddy trails, and uneven terrain while absorbing vibrations for all-day comfort. This isn’t just about width; it’s about confidence. The wider profile ensures tires sit perfectly, reducing pinch flats and maximizing grip where it matters most.
We’ve eliminated the need for multiple wheelsets. Whether you’re tackling a dusty fire road, a high-speed gravel section, or a steep forest climb, our wheelset adapts seamlessly. The carbon construction keeps weight optimized for effortless acceleration, while the robust rim profile withstands rugged conditions without added bulk.
For gravel riders seeking one wheelset that excels everywhere—from your daily commute to remote adventures—this is the intelligent choice.
XC30
XC Race Wheels: Precision Engineered for Speed
We’ve redefined XC performance with our race-ready wheelset—where every gram and millimeter is engineered for the podium. Our 30mm internal width delivers perfect tire integration for 2.2–2.4" XC tires, ensuring maximum grip on technical singletrack while minimizing rotational drag. No more tire squirm, no more pinch flats—just seamless traction where it counts.
But true XC dominance lies in the details: our 235g per wheel (lighter than most carbon XC rims) isn’t just a number—it’s the difference between explosive accelerations and wasted energy. This featherweight construction, paired with our optimized 40mm depth profile, eliminates wheel inertia without sacrificing stiffness. You’ll feel the responsiveness instantly: faster cornering, effortless climbs, and razor-sharp handling on rooty descents.
Why Choose Our Carbon Rims?
Technology-Driven Safety: All rims pass 110J (MTB) / 90J (Road) impact tests — ensuring unmatched durability.
Lightweight Performance: Our Molded Spoke Hole Technology combined with T800/T1100 carbon fiber reduces weightwhile increasing the strength .
High Value, Unmatched ROI: We deliver top-tier performance at accessible prices without compromising quality.
Personalized Customization:Provide different hub and spokesavailable on the marketfor wheelset.
Expert-Backed Innovation: Our founder brings 10+ years of production management experience, ensuring continuous R&D. Contact us for technical consultations, dealer partnerships, or custom wheelset designs.
Our Mission: Empower every rider with the best value-to-performance ratio in carbon wheels — because everyone deserves to feel the joy of effortless, high-performance riding.
