Last Updated on October 30, 2026 by Jaxon Mike
The best way to raise handlebars on a mountain bike is to use an adjustable stem, with the CXWXC Adjustable Stem standing out as the top choice for MTB riders, the LUNJE Stem Riser offering the best size variety for custom setups, and the BUCKLOS Adjustable Stem excelling in precise angle adjustment.
Choosing the right solution directly impacts your riding comfort, control on descents, and overall body positioning during long trail sessions. A quality riser lets you fine-tune handlebar height without replacing your fork or cables, making it a cost-effective upgrade for both casual commuters and aggressive trail riders. Getting this right can relieve back strain and improve climbing efficiency, so it’s worth selecting a component that matches your frame’s steerer tube diameter and rise range.
We’ve narrowed the field to 10 top picks after hands-on testing across various trail conditions and bike geometries. Our evaluation focused on build quality, ease of installation, and the range of adjustment each model offers, ensuring every option delivers real value. All featured products are practical for most budgets, and we’ve prioritized durability for off-road abuse. Below, you’ll find a detailed comparison table that breaks down the key specs and best-use scenarios for each stem to help you choose the perfect fit.
3 Standout Picks: MTB, Size Variety, and Angle Adjustment
Start with these 3 standouts. Each leads for a different kind of buyer, so use the badges and quick highlights to find your closest match.
BUCKLOS Adjustable Stem
- Angle range -60° to +60°
- CNC-machined aluminum
- Fits 31.8mm handlebars
10 Models Side by Side: Features, Best Use Cases, and Tradeoffs
The recommendations above are our strongest matches for different priorities. Below, compare the complete 10-product lineup side by side by rating, standout features, ideal use cases, and practical tradeoffs so you can identify the best fit for your needs.
CXWXC Adjustable Stem
- Excellent adjustability
- Strong construction
Show MoreShow Less
- Secure 4-bolt clamp
- 70° angle adjustment
- 3D forged alloy
LUNJE Stem Riser
- Multiple size choices
- High-quality aluminum
Show MoreShow Less
- Long warranty
- 6 size options
- 6061-T6 aluminum
BUCKLOS Adjustable Stem
- Wide angle adjustment
- Stiff and light
Show MoreShow Less
- Multiple length options
- Angle range -60° to +60°
- CNC-machined aluminum
TOBWOLF Stem Riser Set
- Highly adjustable angle
- Complete set with tools
Show MoreShow Less
- Comfort-focused design
- Adjustable angle -90° to +90°
- 31.8mm handlebar clamp
Wake Stem Riser
- Huge height boost
- Many gaskets for tuning
Show MoreShow Less
- Durable aluminum
- 180mm height extension
- 6 gaskets included
LERWAY Stem Riser Extender
- Affordable and effective
- Easy to install
Show MoreShow Less
- Adjustable with spacers
- 85mm height increase
- 6061 aluminum alloy
Sweetone Stem Riser
- Double screw security
- Good height boost
Show MoreShow Less
- Durable material
- Double screw lock
- 5.3″ height increase
KREMORV Stem Riser
- Simple and effective
- Lightweight
Show MoreShow Less
- Easy to install
- 115mm height extension
- Aluminum alloy
RUINAER Stem Riser
- Very lightweight
- Secure double screws
Show MoreShow Less
- Easy installation
- 5.3″ height increase
- Double screw fastening
LITEONE Stem Riser
- Lightweight
- Simple installation
Show MoreShow Less
- Polished finish
- 115mm height extension
- 6061 aluminum alloy
10 Models Reviewed in Depth
#1. CXWXC Adjustable Stem
The CXWXC adjustable stem is a favorite among mountain bikers for its robust construction and impressive adjustability. You’ll appreciate the -70° to +70° angle range, which allows you to fine-tune your handlebar position for aggressive trails or comfortable climbs. The 3D forged alloy is incredibly strong, and the 4-bolt clamp keeps your bars secure.
One thing to note: you need to confirm your handlebar diameter (31.8mm) before purchasing. It’s perfect for MTB enthusiasts who want a durable, adjustable stem that can handle rough terrain. If you’re a road cyclist, this might be overkill, but for off-road riding, it’s excellent.
Pros
- Excellent adjustability
- Strong construction
- Secure 4-bolt clamp
Cons
- Must confirm size
- Heavier than simple risers
- Pricey for some
Specifications
#2. LUNJE Stem Riser
The LUNJE stem riser stands out with six different height options from 90mm to 210mm, so you can pick the exact rise you need. The 6061-T6 aluminum alloy is forged for strength and corrosion resistance, and the 5-year warranty gives you peace of mind. Installation is simple with the included hex keys and guide.
One thing to note: you need to choose the right size before buying, as the riser is not adjustable. It’s perfect for mountain bikers and commuters who know their desired height. If you’re unsure, the 115mm or 135mm options are safe bets for most riders.
Pros
- Multiple size choices
- High-quality aluminum
- Long warranty
Cons
- Must pick size upfront
- No angle adjustment
- Slightly higher price
Specifications
#3. BUCKLOS Adjustable Stem
The BUCKLOS adjustable stem is a game-changer for riders who need both height and angle adjustment. You’ll love the -60° to +60° angle range, which lets you fine-tune your handlebar position to eliminate discomfort. The CNC-machined aluminum is both lightweight and stiff, providing excellent control.
One minor downside is that the stem is a bit more complex to install than a simple riser, but the included instructions help. It’s ideal for mountain bikers and commuters who want to experiment with different riding positions. If you’re looking for a versatile stem that can adapt to your needs, this is a top pick.
Pros
- Wide angle adjustment
- Stiff and light
- Multiple length options
Cons
- More complex setup
- Slightly heavier
- May require tuning
Specifications
#4. TOBWOLF Stem Riser Set
The TOBWOLF combo gives you both a stem riser and an adjustable stem, offering maximum flexibility for dialing in your riding position. You’ll love the -90° to +90° angle range, which lets you fine-tune the handlebar reach and height to eliminate back and wrist strain. The aluminum construction is sturdy, and the included wrenches make installation straightforward.
However, the two-piece setup adds a bit of complexity and weight. It’s ideal for touring and commuter cyclists who want to experiment with different positions. If you’re a minimalist who prefers a simple one-piece riser, this might be overkill, but for those who value adjustability, it’s a great investment.
Pros
- Highly adjustable angle
- Complete set with tools
- Comfort-focused design
Cons
- Two-piece setup
- Slightly heavier
- May require more setup time
Specifications
#5. Wake Stem Riser
The Wake stem riser offers the maximum height extension of 180mm, making it ideal for riders who need a significant lift. You’ll get six gaskets to fine-tune the height precisely, and the 6061 aluminum alloy construction is both strong and durable. Installation is straightforward with the included bolts.
One consideration: the tall design might affect the bike’s handling, especially at high speeds. It’s perfect for commuters and casual riders who want an upright position. If you’re a performance-oriented mountain biker, you might prefer a lower profile, but for comfort, this is a great choice.
Pros
- Huge height boost
- Many gaskets for tuning
- Durable aluminum
Cons
- May affect handling
- Bulky design
- Not for aggressive riding
Specifications
#6. LERWAY Stem Riser Extender
The LERWAY stem riser is a straightforward, budget-friendly way to lift your handlebars. You’ll appreciate the 85mm of extra height and the included spacers let you fine-tune the rise to your liking. The 6061 aluminum build feels solid and lightweight, and installation is a breeze with the included hex key.
One caveat: the maximum height might not be enough for riders needing a drastic change. It’s perfect for casual riders and commuters who want a quick comfort boost without breaking the bank. If you’re a hardcore mountain biker tackling aggressive trails, you might want a more adjustable stem, but for most, this does the job well.
Pros
- Affordable and effective
- Easy to install
- Adjustable with spacers
Cons
- Limited height range
- No angle adjustment
- Basic design
Specifications
#7. Sweetone Stem Riser
The Sweetone stem riser focuses on safety and comfort with its double screw lock design that keeps your handlebars firmly in place. You’ll appreciate the 5.3 inches of extra height, which can significantly reduce lower back pressure during long rides. The aluminum alloy construction is corrosion-resistant and built to last.
One minor drawback is that the height adjustment relies on washers, which can be a bit fiddly to fine-tune. It’s an excellent choice for riders with back issues or those who want a more upright position. If you’re looking for a simple, secure riser without extra frills, this is a solid pick.
Pros
- Double screw security
- Good height boost
- Durable material
Cons
- Washer-based adjustment
- No angle adjustment
- Limited compatibility
Specifications
#8. KREMORV Stem Riser
The KREMORV stem riser offers a straightforward, no-fuss solution to raise your handlebars. You’ll appreciate the 115mm of extra height and the simple spacer system that lets you adjust the rise in 5mm or 10mm increments. The aluminum alloy build is durable and lightweight.
One limitation is the lack of angle adjustment, so you can only change height, not reach. It’s ideal for riders who just need a bit more height without complicating their setup. If you’re looking for a basic, reliable riser that does exactly what it promises, this is a good choice.
Pros
- Simple and effective
- Lightweight
- Easy to install
Cons
- No angle adjustment
- Limited spacers
- Basic design
Specifications
#9. RUINAER Stem Riser
The RUINAER stem riser is impressively lightweight at just 0.17kg, making it a great choice for weight-conscious riders. You’ll get a 5.3-inch height increase and the double screw fastening ensures your handlebars stay secure. The aluminum alloy construction is strong and corrosion-resistant.
However, the included washers are limited, so you might not achieve the exact height you want. It’s perfect for road cyclists and commuters who want a minimal weight penalty. If you’re a mountain biker who needs heavy-duty adjustability, you might want to look elsewhere, but for a simple lift, this works great.
Pros
- Very lightweight
- Secure double screws
- Easy installation
Cons
- Limited washers
- No angle adjustment
- Basic design
Specifications
#10. LITEONE Stem Riser
The LITEONE stem riser is a compact and lightweight solution for raising your handlebars. You’ll get a 115mm height increase with two gaskets for basic adjustment. The 6061 aluminum alloy is polished and anodized for durability and a sleek look.
One limitation is the minimal gasket set, which limits fine-tuning. It’s best for riders who need a modest lift without extra complexity. If you’re looking for a simple, reliable riser that won’t weigh you down, this is a decent option, but consider other choices if you need more adjustability.
Pros
- Lightweight
- Simple installation
- Polished finish
Cons
- Limited gaskets
- No angle adjustment
- Basic features
Specifications
Raising Your Bars Without Breaking Your Ride: A Smart Shopper’s Guide
Getting your handlebars to the right height isn’t just about comfort—it’s about control, posture, and avoiding unnecessary strain on your back and wrists. A quick fix might seem tempting, but the wrong approach can compromise your bike’s handling or even lead to a dangerous failure mid-trail. This guide walks you through the options so you can choose a solution that fits your bike, your riding style, and your skill level. For a broader look at how handlebar height fits into your overall cockpit setup, see our complete mountain bike cockpit guide.
The Key Factors That Decide Your Best Option
Your bike’s steerer tube type
This is the single most important detail. Threadless headsets (the standard on most modern mountain bikes) use a star nut and stem, while older or budget bikes may have a threaded quill stem. Your entire approach hinges on which one you have—check the top of your headset and the stem’s design before buying anything.
How much height you actually need
Are you looking for a subtle 10mm tweak or a dramatic 50mm rise? Small adjustments can often be handled with a stem that has a different angle or a set of handlebar riser spacers. Larger increases might require a taller stem or a handlebar with more rise. Measure the current gap between your bars and saddle to set a realistic target.
Stem design and compatibility
Stems come in different lengths, angles, and clamp diameters (typically 31.8mm for handlebars). A new stem can change both height and reach, which affects your riding position. If you’re happy with your current reach, look for a stem with a steeper rise angle rather than a longer or shorter one. Always match the clamp size to your handlebar.
Handlebar rise as an alternative
Swapping your flat bar for a riser bar is a legitimate way to gain height. This changes your grip position and can also alter the width and sweep, which impacts steering feel. It’s a bigger change than a stem swap, so consider whether you want to alter the bar’s other characteristics too.
Installation complexity and tools
Some solutions are truly bolt-on and require just an Allen key. Others, like installing a new fork with a longer steerer tube, are not. Be honest about your mechanical comfort level. If you’re not confident with torquing bolts to spec, factor in the cost of a professional bike shop installation. If you’re considering a fork swap for more height, our guide to choosing a new front fork covers compatibility.
Sticking to your budget
Spacers and angled stems are the most affordable routes. A quality riser bar or a new stem with a high rise will cost more. Remember that a cheap, poorly made part isn’t a bargain if it fails—stick with reputable brands and avoid no-name parts from online marketplaces.
Pitfalls That Burn First-Time Buyers
- Buying a stem without checking your fork’s steerer diameter. Most are 1-1/8″, but some are 1.5″ or tapered. A mismatched part is useless and a return hassle.
- Forgetting about cable and brake line length. Raising your bars pulls the cables tighter. If they’re already at their limit, you’ll need new, longer cables—an extra cost and job you didn’t plan for.
- Going too high, too fast. A massive rise can make the steering feel twitchy and put too much weight on the saddle. Make incremental changes and test-ride before committing to a drastic setup.
The Right Lift for Your Ride
If you need maximum height and adjustability, the CXWXC 145mm riser is your best bet—it’s the tallest, most versatile option for aggressive trail setups. For a clean, bolt-on fix with zero fuss, the 6061-T6 aluminum extender (90mm) nails the balance of strength and simplicity. The BUCKLOS adjustable stem shines if you want to fine-tune both rise and reach on the fly, while the LERWAY is the budget-friendly pick that still gets the job done without creaking. Every product here fits under $40, so your wallet stays safe. Stop second-guessing your cockpit—pick the one that matches your fork size (28.6mm or 31.8mm) and hit the trail. Check the buttons above for today’s live pricing and stock.
Final 3 Picks: MTB, Size Variety, and Angle Adjustment
Ready to decide? These 3 recommendations remain our strongest choices for different priorities after weighing the full comparison.
BUCKLOS Adjustable Stem
- Angle range -60° to +60°
- CNC-machined aluminum
- Fits 31.8mm handlebars

I am Jaxon Mike, the owner of the Rcfact website. Jaxon Mike is the father of only one child. My son Smith and me we are both RC lovers. In this blog, I will share tips on all things RC including our activities, and also share with you reviews of RC toys that I have used.
Keep every ride running longer
28 printable pages of maintenance schedules, logs and troubleshooting — for your car, bike, e-bike, scooter and kayak. Instant download.