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Shop | Components | Hubs | Rear Hubs | Fixed Word

Product Videos

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Fixed Word

We saw a need for high quality 135mm Bolt-On and 142mm Thru-Axle fixed gear hubs, and with our long history and experience making single speed and fixed gear hubs, we knew how to do it right. These beauties are machined 100 percent in-house by us here in Chico, California. They’re absolutely bomb-proof, very light, easily adjustable, serviceable, and come with our own extra thick stainless steel lockring.

$156.00 – $168.50

Clear

Technical Information

  • Material
    6061 Aluminum
  • Weight Thru-Axle
    Including Lockring 179g
  • Weight Bolt-On
    Including Bolts and Lockring 240-245g
  • Finish
    Anodized or Hand Polished
  • Anodized Color
    Black or Silver
  • Dimensions
    Axle Spacing: 135mm or 142mm
    Flange Diameter: 43m
    Center to Flange: 39.5mm
    Chainline: 51.6mm
  • Spoke Holes
    36, 32, 28, 24
  • Spoke Hole Diameter
    2.5mm
  • Cog Threading
    English 1.37x24tpi
  • Lockring (Included) Threading
    English 1.29x24tpi
  • Additional Info
    Download
  • Axle Bolt Torque
    21 Nm
  • Lockring Torque
    30 Nm
  • Chainline Diagram
    Download

Product Story

We machine these hubs from 2-1/8″ round bars of aircraft grade 6061 American made aluminum. The hub shells are put through four different machining processes before they go to finishing, and the end result is something we’re very proud of. The flanges are canted towards the rim, and the spoke holes are chamfered to reduce stress on the head and elbow of the spoke.

The hub shell is available with dedicated fixed gear and lockring threading on one side, with or without a set of standard freewheel threads on the other side. Proper left-handed lockring threading keeps fixed gear cogs secure, and our heavy-duty stainless steel lockring is included.

The interchangeable axle goes all through way through the hub and is precision turned in-house from 7075 aluminum, which has a great strength to weight ratio, and is available in 135mm Bolt-On or 142mm Thru-Axle. No flexy, easy-to-lose caps here!

We use high-fill replaceable sealed bearings, and they can be easily adjusted with our simple adjuster ring.

Stay in Touch

Our monthly email is an ongoing bike conversation for creative people who spend a lot of time in their garage.
We’re super lucky to have a network of great bik We’re super lucky to have a network of great bike paths in Chico, one of which follows an old railroad route and leads right to the back gate of our shop! Bike commuting is awesome, and we figured it was time for us to pitch in, so we adopted a little stretch of path, and we go and pick up all the trash every couple months. 🚮 Ding your bell if you see us out there! 🛎
We got a package in the mail from @alternativebike We got a package in the mail from @alternativebikeco the other day with these blasts from our past in the box. Back when Moon Units were smaller and had a more finicky pinch bolt, back when people bought brake lever extensions so you could use your brakes from your bar-ends, and back when instructions were rudimentary drawings and said things like: “Hey- Be cool to the ground.” Thanks for the trip down memory lane!
Mike P won the #SierraOddity, what a lucky devil! Mike P won the #SierraOddity, what a lucky devil! Thank you so much to everyone who contributed parts and labor to this project, and an even bigger thanks to everyone like Mike who were willing to chip in and support @camtborg and all the work THEY put into trail advocacy. Good feelings all around! Now then…what kind of bike should we build @sierranevada next year?…🤔
Mark and Calvin of @paragonmachine stopped by the Mark and Calvin of @paragonmachine stopped by the shop on their way up to Butte Meadows. It’s a long ride all uphill from here, but they brought plenty of bleach to drink, so they’ll be fine. Have fun dudes, great to see ya!
Our friends over at @dynaplug are donating their S Our friends over at @dynaplug are donating their Sea Otter bike to raise money for our other friends at @sierratrails, so if you want a @statebicycleco cruiser dipped in @paulcomponent @whiteind @velocityusa @philwoodandco @btchn.bikes @ron_kingcage and @dingobags, head up to the link in our bio and throw your fiver in the hat!
Holy heck, our buddy Tyler over at @btchn.bikes ha Holy heck, our buddy Tyler over at @btchn.bikes has brewed up something wild yet again! Head directly over to #TheRadavist.com and put your peepers on the full gallery. 🤯 📷: @jadeelhardt
Paul Component Engineering
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  • 530–345–4371
  • 11204 Midway
  • Chico, CA 95928
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