Renthal Fatbar 35 Handlebar - Black - HBRNF5A3K

Name: Renthal Fatbar 35 Handlebar - Black - HBRNF5A3K
Brand: Renthal
SKU: fzyi5ut5gd
Availability: InStock

The Renthal Fatbar 35 Handlebar is the choice for World Cup downhill race teams and athletes, havi...

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Product Information

Full details

The Renthal Fatbar 35 Handlebar is designed for gravity-focused mountain bikers, specifically downhill racers and aggressive trail riders who demand a championship-proven component. Its primary benefit is the perfect balance of weight, strength, and optimized flex, which provides precise steering control and vibration damping on the most demanding terrain. A key caveat for potential buyers is that the 35mm clamping diameter requires a compatible stem, meaning it will not fit standard 31.8mm setups without replacing your current stem.

All features

Model Part Number	HBRNF5A3K
Brand	Renthal

Extended Product Information

FAQs

Can I use this handlebar with a 31.8mm stem?

No. This handlebar specifically requires a 35mm clamp diameter stem.

Can I cut the handlebar down to a narrower width?

Yes, you can trim the bar using a hacksaw. We recommend taking small amounts off at a time to find your preferred width.

Is the finish prone to chipping?

The hard-anodized black finish is highly durable and significantly more resistant to scratching and chipping than standard painted handlebars.

What is the weight of the bar?

The Renthal Fatbar 35 is optimized for a balance of strength and weight, making it competitive with the lightest gravity bars on the market.

Does this bar come with a warranty?

Renthal products are covered by a manufacturer warranty against defects in materials and workmanship. Please check your regional retailer or Renthal's official site for specific terms.

Troubleshooting

Handlebar slips inside the stem

Check that the stem faceplate is torqued correctly and that the bar surface is clean. Use a friction paste designed for aluminum components if slipping persists.

Handlebars feel too stiff or harsh

Verify the orientation of the rise. Ensure the bar is not rotated too far forward or backward, as the backsweep and upsweep angles are designed to be ergonomic at specific angles.

Pros and Cons

Pros

Race-proven pedigree with multiple World Championship titles
Excellent strength-to-weight ratio
Durable, long-lasting hard-anodized finish
Optimized flex profile reduces hand fatigue

Cons

Requires a 35mm clamp diameter stem
Aggressive geometry may be overkill for light trail or cross-country bikes
Requires specific tools for cutting down the width

Setup, Compatibility & Care

To install the Renthal Fatbar 35, ensure your bike uses a stem with a 35mm clamp interface. When mounting your controls, use the laser-etched positioning grid to ensure your stem is perfectly centered. We recommend using a torque wrench to tighten the stem faceplate bolts to the manufacturer-recommended specifications (typically 5-6Nm) to prevent damage to the bar.

For care, wipe the bar down with a clean, damp cloth after muddy rides to prevent grit from building up under the controls. The hard-anodized finish is very robust, but avoid using abrasive cleaning pads or strong solvents that could dull the surface over time. If you choose to trim the bar width, use a high-quality hacksaw with a fine-toothed blade and file the edges smooth afterwards.