Thomson Carbon Riser MTB Handlebars - 10mm - 800mm

The Thomson Elite Carbon Riser Handlebar is designed for all-mountain and trail riding, offering a...

Best current price£139.00from Merlin Cycles

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Merlin CyclesThomson Black Carbon 35Mm Riser Mtb Handlebars - / 20Mm / 800Mm
Free delivery in 1–3 days
£139.00
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Leisure Lakes BikesThomson Carbon 35mm Riser Handlebar 800mm Width Black
Free delivery in 1–3 days
£170.00
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Product Information

Full details

The Thomson Carbon Riser MTB Handlebar is an premium, high-performance cockpit upgrade engineered for dedicated trail and all-mountain riders who demand precise steering and vibration dampening. By utilizing aerospace-grade Toray carbon fiber and an innovative EPS mandrel molding process, these bars deliver an exceptional strength-to-weight ratio; however, the 35mm clamp standard requires a compatible stem, making it a specialized choice for modern bike builds.

All features

Model Part NumberTH-HB-E135
BrandThomson

Extended Product Information

FAQs

Can I use these bars with a 31.8mm stem?

No. These handlebars are specifically designed for a 35mm clamp diameter and will not fit a standard 31.8mm stem.

Are these handlebars suitable for downhill racing?

While highly durable and designed for aggressive trail and all-mountain use, they are primarily built for all-mountain and trail applications.

How do I cut these bars to my preferred width?

Use a fine-toothed hacksaw designed for carbon. Wrap the cut area in masking tape to prevent fraying and ensure a clean, perpendicular cut.

Do I need to use carbon-specific torque settings?

Yes. Always follow the torque specifications provided by your stem manufacturer and never exceed the maximum torque marked on the bar.

What is the purpose of the EPS mandrel molding?

It provides a smooth internal surface for the carbon layup, preventing the wrinkles that can occur with cheaper, air-bladder-based molding methods.

Troubleshooting

Handlebars slipping in the stem

Clean the interface of any oil, apply a dedicated carbon fiber grip paste, and ensure the stem bolts are tightened to the correct torque specification.

Creaking sound coming from the cockpit

Remove the faceplate, clean all contact surfaces, apply a fresh layer of carbon assembly paste, and re-torque the stem bolts in a cross-pattern.

Pros and Cons

Pros

  • Superior strength-to-weight ratio
  • Advanced internal molding for consistent structural quality
  • Excellent vibration dampening for reduced hand fatigue
  • High-impact resistance design
  • Professional-grade aesthetics and build quality

Cons

  • Requires a 35mm clamp diameter stem
  • Premium pricing reflective of aerospace-grade materials
  • Width may require trimming for tight singletrack

Setup, Compatibility & Care

Installation should be performed using a calibrated torque wrench to ensure the 35mm stem clamp is tightened to the manufacturer's specific recommendations. Always use carbon-safe assembly paste on the stem interface to prevent slipping without over-tightening. For care, clean with mild soap and water. Inspect the bars regularly for deep scratches or cracks, particularly after a high-speed crash. Avoid clamping accessories like lights or GPS mounts outside the recommended torque settings, and never use a pipe cutter to trim the bars; always use a fine-toothed hacksaw with a carbon-cutting blade and mask off the area with tape to prevent fiber splintering.

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