A loose stem, a bar that is too narrow for rough descents, or grips sitting too low can turn a fun ride into a sore back by the second hour. Your cockpit, the area where stem, bar, and grips meet the bike, sets how weight transfers through arms and shoulders. Clamp diameter, the thickness of the bar where the stem holds it, must match the stem exactly, and rise, the height the bar lifts above the clamp, changes posture more than most riders expect.
A Snapshot Of The Selections
Wake 31.8mm MTB Mountain Bike Handlebar 720mm Black
PLATT 31.8mm Mountain Bike Handlebar 780mm 35mm Rise
31.8 Bike Handlebar – 90mm Riser 780mm Aluminium
31.8 Bike Handlebar – 55mm Riser 780mm Aluminium
BUCKLOS 31.8mm Mountain Bike Handlebar 720mm 90mm Rise
25.4 Bike Handlebar – 30mm Riser 620mm Aluminium
31.8 Bike Handlebar – 120mm Riser 780mm Aluminium
More On The Choices That Made The List
The Wake bar earns its place as a straightforward upgrade for riders who want a lighter front end without changing stems. Its 6061 aluminum alloy construction and 30mm rise keep the position familiar, while the 720mm width gives more leverage than a narrow stock bar on tight switchbacks.
At about 330g in 720mm length, it is noticeably light for alloy, and the 9 degree backsweep angles the grips slightly toward the rider. That angle, called backsweep, can ease wrist strain on longer climbs, though you may find the effect subtle on short rides. Hard anodizing adds a matte finish that resists scuffs from cables and straps.
Real Benefits
- 6061 alloy keeps weight low at roughly 330g for 720mm
- 720mm width improves control on downhill sections
- 9 degree backsweep supports a more neutral wrist angle
- 30mm rise lifts grips without a tall stem swap
Things To Consider
- 31.8mm clamp must match the existing stem diameter exactly
- Grips and stem are not included, so budget for those parts
The PLATT bar stands out for choice, with rise options from 35mm up through much taller heights in the wider range. That flexibility matters because rise changes stack height, the vertical distance from bottom bracket to grips, and a few millimeters can shift pressure from shoulders to hands.
Unlike the Wake bar with a single 30mm rise, this 780mm version pairs width with a 9 degree backsweep and CNC precision bending, which shapes the alloy without kinking. In our view, the 780mm width suits riders who prefer a planted feel on descents, and your existing brake levers and shifters will need repositioning during the swap.
Notable Gains
- Multiple rise heights let riders dial in posture precisely
- 780mm width gives strong steering leverage on rough terrain
- 6061 alloy construction keeps the bar light and stiff
- 9 degree backsweep helps keep shoulders in a neutral position
- CNC bending creates smooth curves without sharp kinks
Worth Noting
- 31.8mm clamp requires a matching stem before ordering
- 780mm width can feel wide in tight garage storage
Who It Suits Best
Riders who want to experiment with rise heights while keeping a wide, stable cockpit for trail and enduro use.
Where Another Pick Suits Better
The Wake 31.8mm MTB Mountain Bike Handlebar 720mm Black suits riders who prefer a narrower 720mm width and a single low rise.
This GEWAGE bar pushes rise to 90mm, a big jump from the 30mm Wake and 35mm PLATT options, and that height suits riders who feel stretched over a low cockpit. The 780mm width matches the PLATT bar, so the difference here is posture, not leverage.
Rearward sweep of 12 degrees, the angle grips bend back toward the rider, is greater than the 9 degrees on earlier picks. You may find that extra angle places hands closer to the body on long climbs, which can reduce wrist fatigue for some riders. Stiff, responsive feel is the stated aim for jumps and technical lines.
What Works In Its Favor
- 90mm rise raises grips significantly for taller riders
- 780mm width provides wide, confident handling
- 12 degree rearward sweep supports a relaxed arm position
- 6061 alloy build targets durability on aggressive terrain
Trade Offs
- 90mm rise may require longer brake hoses and cables
- High rise can reduce front wheel traction on steep climbs
- 31.8mm clamp must match the stem diameter
Same GEWAGE family as the 90mm version, this bar splits the difference with 55mm rise and the same 780mm width. That middle height appeals to riders who want lift without going fully upright, and it keeps front end weight more balanced than an extreme rise.
Your cable length is a key check here, because 55mm rise is enough to tighten brake hoses on some bikes. The 12 degree rearward sweep carries over from the taller sibling, so hand position stays familiar, and the 6061 alloy construction mirrors the other GEWAGE bar in stiffness and weight class.
Key Advantages
- 55mm rise offers lift without extreme upright posture
- 780mm width matches wider bars for control
- 12 degree sweep keeps grips angled toward the rider
Minor Gripes
- Moderate rise still adds cable tension on some setups
- 31.8mm clamp needs a matching stem
Made For
Trail riders seeking a middle ground between low 30mm bars and tall 90mm risers for mixed climbing and descending.
Consider Something Else When
The 31.8 Bike Handlebar – 90mm Riser 780mm Aluminium suits riders who need maximum grip height for a very upright position.
The BUCKLOS bar combines a tall 90mm rise with a narrower 720mm width, a pairing that differs from the wide 780mm GEWAGE 90mm bar. That narrower width can help in tight singletrack and garage storage, while the height still lifts grips for comfort.
Cut marks printed on both sides help riders trim width gradually, and you can shorten the bar in small steps rather than committing to a full cut at once. Hard anodizing and CNC precision bending give the 6061 alloy a firm feel, and the 22.2mm bar end diameter matches standard grips.
Benefits That Matter
- 90mm rise lifts grips for a more comfortable position
- 720mm width fits tighter spaces than 780mm bars
- Cut marks allow gradual width adjustment
- Hard anodized 6061 alloy resists wear and bending
- Standard 22.2mm ends fit common grip sizes
Room For Improvement
- Cutting the bar is permanent, so measure carefully first
- 90mm rise may need longer cables on some bikes
This GEWAGE bar is the outlier here, with a 25.4mm clamp and 620mm width that suit older stems and smaller frames. Most picks on this list use 31.8mm clamps, so this one solves a compatibility problem rather than chasing width.
At 30mm rise, the lift is modest, similar to the Wake bar, but the 620mm width feels noticeably more compact. You may find that narrower stance helps threading through doorways and racks, though leverage on steep descents will feel less planted than a 780mm bar.
Well-Handled Touches
- 25.4mm clamp fits stems that 31.8mm bars cannot use
- 620mm width suits smaller frames and tight storage
- 30mm rise adds lift without major cable changes
- 12 degree rearward sweep angles grips toward the rider
Points To Note
- 620mm width offers less leverage than 720mm and 780mm bars
- 25.4mm clamp limits future stem upgrade options
At 120mm rise, this is the tallest bar on the list, 30mm higher than the 90mm GEWAGE and BUCKLOS options. That height creates a very upright cockpit, which can suit taller riders or those with back and shoulder sensitivity on long rides.
Your cable and hose length needs a careful check before installation, because 120mm rise stretches routing more than any other pick here. The 780mm width and 12 degree rearward sweep match the other GEWAGE bars, so the main decision is whether the extra height helps posture enough to offset reduced front end weight.
What Helps Most
- 120mm rise is the tallest option for upright posture
- 780mm width keeps steering leverage wide and stable
- 12 degree sweep brings grips closer to the body
- 6061 alloy keeps the tall bar relatively light
Softer Spots
- 120mm rise often requires longer hoses and cables
- Very tall rise can lighten front wheel on climbs
- 31.8mm clamp must match the stem
What Matters Most Before Choosing Handlebars For Mountain Bike
Clamp Diameter And Stem Fit
Measure the clamp area on the current stem before ordering anything. A 31.8mm bar will not seat safely in a 25.4mm stem, and the reverse is also true. That single number eliminates more mismatches than any other detail.
Rise And Posture
Rise changes how upright the cockpit feels, and taller riders often benefit from 90mm or 120mm heights. Lower rises near 30mm keep a more aggressive position for descending. Cable length grows with rise, so check hose routing before committing.
Width And Control
Wider bars near 780mm give more leverage for steering and stability on rough terrain. Narrower bars near 620mm or 720mm fit tighter trails and storage spaces. Cut marks on some bars allow gradual trimming, and that process cannot be reversed.
Key Considerations Across These Picks
Common Shopping Slip Ups
Many shoppers focus on width alone and overlook clamp diameter, leading to a bar that cannot mount. Others add tall rise without checking cable length, creating tight routing. Measuring stem diameter and hose slack first avoids both problems.
What The Higher Tier Buys
Higher priced bars often use lighter alloys, tighter bending tolerances, and more rise options. Those details can improve feel and fit, though a well matched 6061 alloy bar at a moderate rise may suit most trail use. Paying more pays off when posture needs are specific.
Frequently Asked Questions
What clamp diameter do most mountain bikes use?
Most modern mountain bikes use 31.8mm stems, which matches the majority of bars on this list. Older bikes may use 25.4mm stems, so measure the current stem before ordering.
How does rise affect riding position?
Rise lifts the grips above the stem, creating a more upright posture as height increases. A 30mm rise keeps a lower, aggressive position, while 90mm to 120mm rises suit taller riders.
Can a wide handlebar be cut down to fit?
Some bars include cut marks that guide gradual trimming from each end. Cutting is permanent, so measure grip and control placement carefully before trimming.
What width should a mountain bike handlebar be?
Widths range from 620mm on compact bars to 780mm on wide trail bars in this list. Wider bars improve leverage, while narrower bars help in tight spaces and on smaller frames.
Do grips come with these handlebars?
Grips and stems are generally separate parts, and the Wake bar listing notes those items are not included. Check included components on the product page and plan for grips that fit 22.2mm bar ends.
Wrap Up
Match clamp diameter first, then decide how upright a posture feels right for longer rides. The Wake bar suits a light, low rise upgrade, the PLATT bar suits posture tuning, and the 120mm GEWAGE bar suits the tallest rise need. Your stem size and cable length will narrow the choice quickly.