Exterminator Derailleur Hanger for Cervelo R.A.T.

$ 30.00

Are you tired of dealing with your Cervelo’s R.A.T. problem? Our Exterminator hanger will replace the R.A.T. hanger found on all Cervelo R.A.T. equipped bikes. This hanger combined with our Lightning axle will provide a complete threaded thru axle system. Our derailleur hanger matches the geometry and construction of the stock derailleur hanger in every way for crisp shifting performance.

This hanger is also a perfect replacement for Cervelo threaded hangers.

Our Lightning Bolt-On thru axles offer the highest quality, simple, lightweight alternative to that bulky handle.

Learn about compatibility with Hexlox security systems.

In stock

Get 20% Off Lightning Bolt-on Axles With Purchase of Any Trailer or Trainer Axle! Discount Automatically Applied.
SKU: RAP026 Category:


  • Cervelo Derailleur Hanger For Threaded Thru Axles.
  • This hanger is designed to convert R.A.T. equipped Cervelo road bikes to threaded axles.
  • It is also a replacement Cervelo’s threaded derailleur hanger.
  • Better Tolerances. Manufactured in the USA to the tightest tolerances using aerospace materials and CNC manufacturing. No longer will your axle loosen while riding.

This is NOT an axle for attaching trailers or trainers.



Prop65 Warning icon

WARNING: This product can expose you to chemicals including nickel acetate, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.

Additional information

Weight 0.3125 lbs


  • This axle is designed specifically as a replacement a rear Cervelo R.A.T. thru axle. Included is our Cervelo R.A.T. derailleur hanger into which the axle threads. Our axle is a direct replica of Cervelo’s part number: DRH-WMN112. We do not believe in creating proprietary parts!
  • Our axle weighs 36 grams. Our axle and hanger weigh a combined 54 grams. Front and rear, our axle system saves a combined 58 grams.
  • The axle is precision CNC machined in the USA from 7075 aluminum and hard anodized for rugged durability. Our axles are built to the tightest standards in the industry.
  • No special tools required. Design allows for installation or wheel removal using your standard 6mm hex wrench.
  • Designed, built and quality tested in the USA. Proven around the world.


Need more information about how our axles work?


There are no reviews yet.

Be the first to review “Exterminator Derailleur Hanger for Cervelo R.A.T.”

Your email address will not be published. Required fields are marked *

You may also like…

  • Cervelo front RAT thru axle

    Lightning Bolt-on Axle – Front 12 mm for Cervelo R.A.T. Equipped Forks

    $ 52.00
    Add to cart
  • Use Cervelo RAT bike on trainer

    12mm Thru Axle for Trainer: For Cervelo R.A.T. with Derailleur Hanger

    $ 80.00
    Add to cart
  • Robert Axle Project Drive Thru 1.75 thread pitch

    Drive Thru 1.75mm Thread Pitch

    $ 35.00
    Add to cart
  • replacement axle cervelo RAT

    12mm Rear Lightning Bolt-On Axle: For Cervelo R.A.T. with Derailleur Hanger

    $ 80.00
    Add to cart