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· Updated Aug 4, 2026
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Upgrading your handlebars is one of the most impactful changes you can make to your cycling experience. Whether you are looking to tighten up your steering precision for technical descents or seeking a more upright, comfortable position for long-distance endurance rides, the handlebars serve as your primary interface with the machine. Selecting the right set is not just about aesthetics. It is about managing leverage, controlling vibration, and optimizing your body's ergonomics. This guide will help you navigate the technical nuances of handlebar geometry and material science to ensure your next upgrade feels like a natural extension of your arms.
Editor's Choice
Our Top Picks for Funn Bike Handlebars
The three standouts our editors recommend first — ranked by performance, value, and real-world reviews.
Funn Crossfire Mountain Bike Stem with 31.8mm Bar Clamp - Durable and Lightweight Alloy Bike Stem for Mountain Bike and BMX Bike, Length 35mm stem (Gr...
Funn Crossfire Lightweight Alloy Mountain Bike Stem
Ensure Proper Fit with The Crossfire : The Crossfire MTB stem is available for handlebars with a 31.8mm or 35mm diameters. This version is 31.8mm only. Please check your handlebar before purchasing and ensure you order the correct version
Versatile Use : A precision-engineered mountain bike stem for enduro, freeride, trail riding, XC and downhill. This is a perfect MTB stem as well as a BMX stem for riders on challenging terrain.
Tough and Light : CNC machined from high-quality aerospace 6061 alloy, Crossfire bicycle stem is featherweight but tough enough for the harshest conditions.
Match your style : There is a wide variety of colors available to choose from, allowing you to find the perfect match for your bike. Whether you want a bold and vibrant hue or a more subtle and understated shade, you are sure to find something that fits your riding style.
As every gram counts, Crossfire MTB stem allows you to ride under extreme conditions without worrying about adding any unnecessary weight to your ride.
You are halfway through a technical enduro descent, hitting roots and rock gardens, and you need your cockpit to feel absolutely rock-solid. The Funn Crossfire stem is built for exactly those high-stakes moments where precision steering is non-negotiable. CNC machined from aerospace-grade 6061 alloy, this 35mm stem manages to be incredibly lightweight without sacrificing the toughness required for downhill or BMX riding. It is a versatile piece of kit that fits right into an XC or freeride setup, especially since it comes in a vibrant green that lets you customize your bike's aesthetic. Because every gram matters when you are pushing your limits on challenging terrain, this stem offers a smart way to upgrade your handling without adding unnecessary bulk to your build.
Funn Full On Mountain Bike Handlebar with Bar Clamp 31.8mm and Width 810mm, Tough and Lightweight Alloy Riser Handlebar for MTB, BMX and Road Bike, Ri...
Perfect Fit : The Full on MTB Handlebars are available in 31.8mm and 35mm clamp diameters. This version is for mountain bikes with a 31.8mm bar clamp only, measuring the clamp size before purchasing to make sure the handlebar will fit your stem.
Small rise: Full on handlebar with smaller rise provides a more aggressive and aerodynamic position by positioning your hands and wrists relatively low and close to your body, which can help to reduce wind resistance and improve your performance on the road or on the trails.
Small Sweep : Full on handlebar built with a smaller back sweep angle will position the hands and wrists relatively close to the rider's body, which can further contribute to a lower, more powerful riding position.
Solid and Tough : Engineered from triple butted AL6061 aluminum to provide sturdy and lightweight construction, Full on has optimized durability yet still light as feather. With durable sandblasted and anodized finish, Full on is long-lasting and tough enough for intense riding.
Precision Control : Full on performs well both as bmx handlebars and downhill MTB bars, and is also the perfect choices for trail, enduro, XC and freeride. No matter is for casual riding or aggressive racing, Full on is always the top choice.
Most riders settle for bulky, heavy bars that sacrifice agility, but the Funn Full On series prioritizes a streamlined, aggressive geometry that changes how you engage with the trail. By utilizing a modest 15mm rise and a tighter back sweep, these bars pull your hands and wrists closer to your body, creating an aerodynamic profile perfect for everything from XC racing to downhill descents. The triple-butted AL6061 aluminum construction strikes that elusive balance between being featherlight and incredibly sturdy. I found the sandblasted, anodized finish feels premium and holds up well against the grit of intense riding. Whether you are hitting technical enduro lines or just want a more precise control feel on your BMX, these 810mm bars offer a professional-grade upgrade without the professional-grade weight penalty.
Funn Full On Mountain Bike Handlebar with Bar Clamp 35mm and Width 785mm, Tough and Lightweight Alloy Riser Handlebar for MTB, BMX and Road Bike, Rise...
Perfect Fit : The Full on MTB Handlebars are available in 31.8mm and 35mm clamp diameters. This version is for mountain bikes with a 35mm bar clamp only, measuring the clamp size before purchasing to make sure the handlebar will fit your stem.
Small rise: Full on handlebar with smaller rise provides a more aggressive and aerodynamic position by positioning your hands and wrists relatively low and close to your body, which can help to reduce wind resistance and improve your performance on the road or on the trails.
Small Sweep : Full on handlebar built with a smaller back sweep angle will position the hands and wrists relatively close to the rider's body, which can further contribute to a lower, more powerful riding position.
Solid and Tough : Engineered from triple butted AL6061 aluminum to provide sturdy and lightweight construction, Full on has optimized durability yet still light as feather. With durable sandblasted and anodized finish, Full on is long-lasting and tough enough for intense riding.
Precision Control : Full on performs well both as bmx handlebars and downhill MTB bars, and is also the perfect choices for trail, enduro, XC and freeride. No matter is for casual riding or aggressive racing, Full on is always the top choice.
The Funn Full On MTB Handlebar delivers a surprisingly aggressive riding posture thanks to its minimal 7mm rise. I found that the smaller back sweep angle pulls your hands and wrists closer to the body, which is a game-changer for anyone looking to shave off wind resistance or gain better leverage during technical climbs. Constructed from triple-butted AL6061 aluminum, these bars feel incredibly sturdy without adding unnecessary bulk to your cockpit. The sandblasted and anodized finish isn't just for looks. It adds a layer of toughness that can handle the abuse of enduro or downhill sessions. Whether you are hitting jumps on a BMX or carving trails on an XC rig, this 35mm clamp bar provides the precision control needed for high-intensity riding.
Funn Full On Mountain Bike Handlebar with Bar Clamp 31.8mm and Width 785mm, Tough and Lightweight Alloy Riser Handlebar for MTB, BMX and Road Bike, Ri...
Perfect Fit : The Full on MTB Handlebars are available in 31.8mm and 35mm clamp diameters. This version is for mountain bikes with a 31.8mm bar clamp only, measuring the clamp size before purchasing to make sure the handlebar will fit your stem.
Small rise: Full on handlebar with smaller rise provides a more aggressive and aerodynamic position by positioning your hands and wrists relatively low and close to your body, which can help to reduce wind resistance and improve your performance on the road or on the trails.
Small Sweep : Full on handlebar built with a smaller back sweep angle will position the hands and wrists relatively close to the rider's body, which can further contribute to a lower, more powerful riding position.
Solid and Tough : Engineered from triple butted AL6061 aluminum to provide sturdy and lightweight construction, Full on has optimized durability yet still light as feather. With durable sandblasted and anodized finish, Full on is long-lasting and tough enough for intense riding.
Precision Control : Full on performs well both as bmx handlebars and downhill MTB bars, and is also the perfect choices for trail, enduro, XC and freeride. No matter is for casual riding or aggressive racing, Full on is always the top choice.
Aggressive trail riders demanding a low-profile cockpit will find their perfect match in the Funn Full On handlebars. I was immediately struck by the 15mm small rise, which forces your hands and wrists into a much more aerodynamic and powerful position compared to standard high-rise bars. This setup is a game-changer for anyone looking to tuck in and reduce wind resistance during fast XC or enduro descents. The triple-butted AL6061 aluminum construction feels incredibly sturdy without adding unnecessary weight, and the sandblasted anodized finish looks premium. Whether you are hitting technical berms on a mountain bike or throwing tricks on a BMX, the small sweep and precision geometry provide the control you need to stay composed when the terrain gets rowdy.
Funn Black Ace UD Carbon Fiber MTB Riser Handlebar with Bar Clamp 31.8mm and Width 785mm - Mountain Bike Handlebar for Mountain Bike/BMX Bike (Rise 7m...
Fits mountain bike handlebars with 31.8mm bar clamp only. Please measure the clamp size before purchasing to make sure the handlebar will fit your stem.
Build to Last : Made from premium UD carbon fiber, the Black Ace handlebar is both lightweight and strong, able to withstand the rigors of aggressive riding and provide long-lasting performance as you race across the roughest of terrain!
Carbon Fiber Construction : Can help to reduce vibration and road chatter, they are more commonly used to improve the stiffness and responsiveness of the bike, which can help to enhance the rider's control and handling.
Highly Customizable : Individualize your bicycle handlebars with our logo color stickers, which come in six different colorways to perfectly match your ride.
Precision Control : Black Ace performs well both as BMX handlebars and downhill MTB bars, and is also the perfect choices for trail, enduro, XC and freeride. No matter is for casual riding or aggressive racing, Black Ace is always the top choice.
The immediate sensation of riding the Funn Black Ace is a noticeable reduction in that bone-jarring road chatter that usually plagues aggressive trail sessions. By utilizing premium UD carbon fiber, this 785mm riser bar manages to strike a rare balance between being incredibly lightweight and possessing the structural integrity needed for downhill or enduro racing. I found the 7mm rise provides just enough cockpit adjustment to improve control without feeling bulky. It is a versatile piece of kit that works equally well for XC or freeride, and the inclusion of six different colorway logo stickers means you can actually tailor the aesthetic to your specific bike build. Just ensure your stem is compatible with the 31.8mm clamp before you commit to the upgrade.
Funn Flame On Mountain Bike Handlebar with Bar Clamp 31.8mm and Width 680mm, Tough and Lightweight Alloy Riser Handlebar for MTB, BMX and Road Bike (B...
Fits mountain bike handlebars with 31.8mm bar clamp only. Please measure the clamp size before purchasing to make sure the handlebar will fit your stem.
With its unique combination of zero rise and zero upsweep, it provides the perfect riding position for speed and control, while its 9° backsweep ensures maximum comfort and a natural wrist position.
It's available in two different lengths - 680mm and 710mm - to cater to riders of different heights and preferences.
Expertly crafted from AL7050 material to deliver exceptional strength, resilience, and performance, Flame on has optimized durability yet still light as feather. With durable sandblasted and anodized finish, Flame on is long-lasting and tough enough for intense riding.
The Flame On is an unparalleled product that is crafted with the needs of XC racers in mind and is specifically designed to provide optimal speed, maneuverability, and control while traversing the challenging terrain encountered during the rigors of competitive racing.
Most riders assume that more rise equals better control, but the Flame On challenges that logic with a zero-rise, zero-upsweep profile designed specifically for pure speed. I found that this setup shifts the focus toward aggressive XC racing, where maneuverability through technical terrain is the priority. The 9° backsweep is the real hero here, keeping your wrists in a natural, comfortable position even during high-intensity sprints. Built from AL7050 alloy, it feels incredibly lightweight without sacrificing the toughness needed for competitive racing. The sandblasted and anodized blue finish isn't just for aesthetics. It adds a layer of durability that holds up against the rigors of the trail. If you have a 31.8mm stem, this is a professional-grade upgrade for anyone looking to shave weight and sharpen their handling.
A Guide to Selecting the Best funn bike handlebars
Understanding Handlebar Rise and Sweep
The most immediate difference you will notice between various handlebar styles is the 'rise' and the 'sweep.' Rise refers to the vertical distance from the clamp area to the top of the bar. A higher rise typically promotes a more upright posture, which can reduce strain on your lower back and wrists, making it ideal for casual trail riding or commuting. Conversely, a low rise places your weight more forward, which is preferred by aggressive riders looking for better weight distribution during steep climbs and technical maneuvers.
Sweep, on the other hand, refers to the backward angle of the bar. A significant amount of back-sweep can alleviate wrist fatigue by allowing your hands to rest in a more natural, neutral position. If you are transitioning from a traditional mountain bike setup to something more specialized, pay close attention to how the sweep affects your reach and your ability to grip the bars during high-torque efforts.
Material Composition: Aluminum vs. Carbon Fiber
The material of your handlebars dictates both the weight of your bike and the quality of the ride. Aluminum alloy is the industry standard for a reason: it is incredibly durable, cost-effective, and offers a predictable flex pattern. For most riders, a high-quality aluminum bar provides the perfect balance of strength and weight. However, if you are building a high-end racing rig where every gram counts, carbon fiber is the premium choice.
Carbon fiber bars offer superior vibration damping. They tend to absorb the 'chatter' from rough terrain much more effectively than metal, which can significantly reduce hand numbness and fatigue on long rides. The trade-off is cost and sensitivity. Carbon bars require precise torque application during installation to avoid structural damage, and they are generally more susceptible to impact damage from crashes.
Width and Control Dynamics
Handlebar width is a critical factor in how your bike handles. Wider bars provide increased leverage, making it easier to manhandle the bike through tight corners or over obstacles. This is why many modern mountain bike riders prefer much wider bars than those used in the past. However, excessive width can make the bike feel cumbersome in tight, technical singletrack or when navigating through traffic.
When choosing a width, consider your shoulder width and your riding style. A bar that is too wide will cause you to feel overextended, while a bar that is too narrow may make the steering feel twitchy and unstable. Many riders find success by starting with a standard width and using a stem with a different length to fine-tune their cockpit ergonomics.
Clamp Diameter and Compatibility
Before finalizing your purchase, you must verify your stem's clamp diameter. Most modern mountain bike components use a 31.8mm standard, but older setups or specific lightweight racing components may use 25.4mm or 35mm. Attempting to force a bar into an incompatible stem is a recipe for component failure. Always measure your existing stem or check its specifications to ensure a seamless fit. Additionally, consider the 'oversize' trend. While 35mm bars offer immense stiffness and strength, they add weight and limit your options for compatible stems.
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Quick answers about Funn Bike Handlebars before you buy.
Riser bars feature a vertical lift that improves upright ergonomics and control, while flat bars provide a more aggressive, aerodynamic position favored by racers.
Width should match your riding style. Wider bars offer more leverage and stability for mountain biking, whereas narrower bars allow for quicker steering and better aerodynamics on roads.
Sweep refers to the angle of the bars toward or away from the rider. More sweep reduces wrist strain and promotes a more natural hand position, which is ideal for long-distance comfort.
Not necessarily. You must ensure the clamp diameter matches your stem and that the bar width is compatible with your reach and frame geometry.
Carbon fiber is preferred for weight savings and vibration damping, while aluminum is the standard for durability and cost-effectiveness.
Carbon fiber tends to absorb road chatter and micro-vibrations, reducing hand fatigue, whereas aluminum offers a stiffer, more direct feel for precise handling.
It is highly recommended, as new bar diameters or surface textures may require different grip thicknesses to ensure comfort and prevent slipping.
Rise is the vertical distance the bar extends above the clamp point. A higher rise allows for a more relaxed, upright posture.
Research & Insights
Our Analysis of Funn Bike Handlebars
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Side by Side
Comparison Table
Compare the top 6 picks at a glance — select a column to sort.
Funn Crossfire Lightweight Alloy Mountain Bike Stem
Funn Full On Aluminum MTB Riser Handlebars
Funn Full On MTB Alloy Riser Handlebar
Funn Full On Aluminum MTB Handlebars
Funn Black Ace UD Carbon Fiber MTB Handlebar
Funn Flame On Alloy MTB Riser Handlebar