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

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

Profile image
- @swarrcycles

The best thing about Paragon is the dropout support for old and new emerging standards. Cant find that anywhere else.

Profile image
- ajaffe34

"I can't believe it took me this long to order tube blocks and hole saw arbors from PMW. I did not think it would change the game as many thousands of an inch as it has."

Profile image
Bob N. – San Anselmo, CA

I love the stuff you make.

Profile image
- Justin

My gf is jealous/ concerned of how much I look at/ compliment your dropouts.

Profile image
- bicissippi

Thanks for the stellar customer service!

Profile image
- M.I.

    Exceptional quality, customer service, and innovation.

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