MANUFACTURING QUALITY,

PRECISION BICYCLE FRAME

BUILDING COMPONENTS

∼ Since 1983 ∼

What's New

12 mm Left Side Insert for Conventional Sliding Dropout and Post Mount for 180 mm Rotor
12 mm Left Side Insert for Conventional Sliding Dropout and Post Mount for 180 mm Rotor
Available now! 12 mm left side insert for our Conventional flat and flanged sliding dropouts with post brake mount for 180 mm rotor.
Read more
ATI Hole Saw Arbors
ATI Hole Saw Arbors
Check out our new hole saw arbors that are compatible with ATI hole saws.
Read more

Customer Feedback

For the record, I absolutely love the conventional sliding dropouts you make! They never slip and are very tough, perfect for a bike that needs an adjustable dropout. I also think that they're beautiful.

Profile image
- Mike

Thank you for making T-type easy!

Profile image
- Nate

I love the stuff you make.

Profile image
- Justin

Coco . . . you just provide the best customer service, ever! We are so glad to be able to work with you.

Profile image
Victoire Cycles - Beaumont, Canada

These @paragonmachine UDH flat mount dropouts are my new favorite thing.

Profile image
- @swarrcycles

@paragonmachine flat mount UDH dropouts made this build doable for me. Worth every penny.

Profile image
- @swarrcycles

    Exceptional quality, customer service, and innovation.

    InstagramFollow @paragonmachine
    © 2023 Paragon Machine Works. All Rights Reserved.