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Compare Mountain Bike Handlebars head to head

Pick any two picks from this list and see specs, current price, pros, cons and reader ratings side by side.

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30X 12-Degree Carbon

#7 on this list

30X 12-Degree Carbon

SQlab

The SQlab 30X 12-Degree Carbon is engineered specifically for riders who suffer from wrist pain, carpal tunnel pressure, or hand numbness caused by conventional handlebar shapes. While traditional mountain bike bars feature backsweeps between 7 and 9 degrees, SQlab approaches cockpit design from a strictly biomechanical perspective. The 12-degree backsweep provides a more natural, neutral transition from the forearm to the hand, straightening the wrist joint and dramatically reducing tension across the carpal canal during aggressive riding. Despite its unusual ergonomic profile, the 30X is built for serious trail and gravity duty. Constructed from top-tier carbon fiber, SQlab spent considerable engineering effort ensuring the bar retains high impact strength and optimal damping. On rough trails, it provides a very supple ride feel, absorbing trail chatter effectively while keeping the rider's wrists in an anatomically sound position. The steering feel does require an adjustment period; moving the hands further back alters the effective reach and cockpit leverage, which can initially feel slightly slower to turn until you adapt. Weighing around 235 grams, it maintains an impressive strength-to-weight ratio. The most significant barrier is cost: retailing near $320, it is by far the most expensive handlebar in this group. It is a specialized, premium solution best suited for riders whose physical discomfort limits their riding time on standard handlebars. **Highlights** - Ergonomic 12-degree backsweep aligns wrists naturally to prevent pain and numbness. - High-grade carbon construction absorbs trail buzz and high-frequency vibrations. - Downhill-certified durability despite the ergonomic, comfort-focused design. - Lightweight profile at approximately 235 grams. - Relieves pressure on outer palm edges and the ulnar nerve. **Watch-outs** - Extremely expensive, retailing around $320. - Pronounced sweep alters cockpit reach and requires an adaptation period for steering dynamics.

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Face Next R 35 Carbon

#8 on this list

Face Next R 35 Carbon

Race

The Race Face Next R 35 Carbon is aimed directly at weight-conscious trail and all-mountain riders who want an exceptionally light cockpit without sacrificing the wide leverage and durability required for aggressive descending. Derived from Race Face's gravity-focused SixC lineup, the 'Next R' designation blends cross-country weight savings with all-mountain impact strength. At a verified weight around 215 grams, it stands as one of the absolute lightest full-width 35mm carbon bars on the market. On the bike, that low mass is immediately apparent when lifting the front wheel over obstacles or making rapid directional shifts. Steering precision is instantaneous; the 35mm clamp zone and unilateral carbon layup resist flex under heavy out-of-the-saddle sprinting and hard cornering loads. However, because Race Face engineered this bar to be stiff and featherweight, it delivers a firmer ride than compliance-focused options like the OneUp V2 or PNW Loam. While it cuts out basic surface chatter better than aluminum, heavier braking bumps and sharp rock impacts are communicated directly to the rider. Retailing around $180, it commands top-tier carbon pricing. It is an ideal choice for fit, fast riders who prioritize a snappy, direct steering feel and raw weight reduction on long climbs over maximum downhill damping. Riders prone to arm pump, however, may want to look toward more vertically compliant alternatives. **Highlights** - Exceptional strength-to-weight ratio, weighing an impressively low 215 grams. - 35mm clamp interface provides rapid, direct steering response with minimal flex. - Built with high-strength carbon fiber tested for aggressive all-mountain duty. - Clean matte aesthetic with distinct Race Face graphic treatments. - Available in various rise heights to accommodate different rider preferences. **Watch-outs** - Firmer vertical ride quality communicates more trail feedback than tuned-flex rivals. - Premium price point of roughly $180.

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Specs side by side

30X 12-Degree Carbon versus Face Next R 35 Carbon specifications
Spec30X 12-Degree CarbonFace Next R 35 Carbon
MaterialCarbon fiber compositeUnidirectional carbon fiber
Backsweep12 degrees—
Stated Weight235 grams—
Intended DisciplineTrail, all-mountain, and downhillTrail and all-mountain
Approximate Price$320$180
Clamp Diameter—35mm
Claimed Weight—215 grams

What our reviewers liked and didn't

30X 12-Degree Carbon

  • Twelve-degree backsweep straightens wrists and eases joint strain
  • Carbon layup effectively absorbs high-frequency trail vibration
  • Downhill certified strength despite compliant ride quality
  • Competitive 235-gram weight for an aggressive trail bar
  • High price point around $320 limits accessibility
  • Increased sweep shortens cockpit reach and may require a longer stem
  • Handling feel requires an adjustment period compared to standard bars

Face Next R 35 Carbon

  • Class-leading weight at roughly 215 grams for a 35mm all-mountain bar
  • Exceptional torsional stiffness provides immediate and precise steering
  • Rated for aggressive trail and all-mountain duty despite ultralight build
  • Effective attenuation of high-frequency surface vibration over aluminum
  • Noticeably stiffer vertical ride quality transmits sharp impacts to rider
  • Commands a premium price point near $180
  • Requires a 35mm clamp stem, limiting compatibility with older cockpits

Prices change constantly — the figure shown is the last verified catalog price, and the buy buttons always go to the current listing.