Experiencing the DUB Bottom Bracket



For over 15 years, we have been developing excellent and innovative bottom brackets from a diverse range of crank sizes.

This time we present the SRAM DUB bottom bracket system and invite you to participate in the DUB bottom bracket test campaign with the application open from 6th of July, 2022 to 20th of July 20, 2022.


Selected enthusiastic riders will receive a confirmation email owned a chance to experience the precise DUB bottom bracket bond into your frame that fits smoothly and durably and becomes your partner, ready to take on any challenge, whether it's muddy or wet weather conditions!


Grab an opportunity by applying for it!


This campaign will last for three months and testers may receive periodic emails during the test period asking for feedback on their experience.

We will not use beta testers' data for anything outside of this campaign to improve our product.

Testers can contact the MORTOP team at any time by email at mortop.co@gmail.com.


How it works

  • Applying to participate in this campaign by completing a survey.
  • You will receive a set of test instructions and products. Sharing your thought & feedback, and submit bug reports for any issues.
  • Filming your video or reels and sharing your riding moment on your social media.



  • Register an account on MORTOP web.
  • Complete a short form to tell us a little about you and your bike.
  • Be 18 or older.
  • Provide your feedback and review at the end of the test.
  • For free shipping, the tax would be charged by the recipient.
  • We will receive all photo rights and video rights for our advertising from you for commercial use.