THOMSON Carbon Riser Bar


RIZE: 15mm / 750mm
Sale price$187.00

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Thomson is an aluminum parts manufacturer with 30 years of experience in computer controlled machining (CNC) equipment.

Thomson's products are based on reliable and strong designs that are used in the airframes of two of the largest companies in the aircraft industry, and are suitable for a wide range of bikes, from serious racing bikes to trail bikes and touring bikes, even in today's market where many carbon parts are also on the lineup. The products are high quality items that can be used for a long time and fit a variety of bikes, from serious race bikes to trail bikes and touring bikes.

The new "Cobra" is made not only of high-strength carbon fiber, but also of three different types of carbon with different elasticity and strength, optimizing rigidity and flexibility. The ends are also designed to prevent damagE This carbon riser bar is strong enough for racing and trails, comfortable, and lightweight.

It is made of three different types of fiber with different tensile strength and modulus, including high-strength carbon fiber. This allows for the assignment of stiffness and flexibility as needed. To avoid as much wrinkling as possible inside the carbon layup during molding, the bars are molded with an internal EPS mandrel. Most other carbon bars are molded on top of an expanded nylon bladder.

All carbon fiber materials
are manufactured by Toray, a major supplier of carbon fiber to Boeing and Airbus, and use tailor-made nano epoxy resins for very high impact resistancE


Material: Carbon
Length: 750mm
Rise: 15mm, 20mm
Up Sweep: 8°
Back Sweep: 5°
Clamp Diameter
: 31.8mm
Weight: 195g

  1. We ship within 1-2 business days after receiving your order (payment). (Basically, orders placed before 12:00 p.m. are shipped the same day.)
  2. Messenger delivery is available within Nagoya City only.
  3. We ship every day from Monday to Sunday, except for temporary holidays.
  4. Available delivery areas: All over Japan and the world.
  5. Please note that delivery may be delayed due to credit card processing status. If you would like to specify the delivery date and time, please fill in your request in the additional information in the shopping cart.
  6. The product will be shipped from Circles.
  7. Please contact the shipping company in case of damage or loss during shipping.

Regarding the delivery of completed vehicles

  • Please note that a separate shipping fee of 6,600 yen (including tax) will be charged for shipping a completed vehicle.
  • After receiving your order, we will perform a final check and ship the completed car, but it may take 1-2 weeks. Please understand.
  • Some parts of the bike will be removed for packing. We strongly recommend that you have your bicycle assembled at your nearest bicycle store.
  • We will inform you of the delivery date and other details by e-mail.
  • We apologize for any sales discrepancies at the store.

Regarding the delivery of frame sets

  • Nationwide flat-rate shipping: 3,300 yen (tax included) (However, an additional fee will be charged for delivery to Okinawa and remote islands.)
  • We will inform you of the delivery date and other details by e-mail.
  • We will provide the pre-treatment of facing and tapping for the frame sets purchased at our store as a service. We will inform you separately after purchase.
  • We can also install a headset and BB for a fee, so please feel free to contact us.

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