Picture of three lugs: a top lug, bottom lug, and seat lug.

What would you like to build today?

in it for the long haul

Whether you're building your bike from scratch or making what you've got better, we're here to help. Add bosses for another water bottle cage or a cargo cage. Make your bike your own.

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Braze-ons
Braze-ons
Rods & Wire
Rods & Wire
Frame Tubes
Frame Tubes
Forks
Forks
Lugs
Lugs
Dropouts
Dropouts
Hardware
Hardware
Merch
Merch

New and back in stock!

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Bottom bracket shells - T47 threaded - 69mm, 74mm - 50.8mm OD
from $ 11.95
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1 1/8" dummy headset
Dummy headset - 1-1/8"
$ 42.95
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Stainless steel tubing for internal routing - 5/16" OD x .020 - 2' and 3' lengths
from $ 4.90
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Framebuilder Supply t-shirt - FS logo only
$ 22.00
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Columbus Seat Clamps for External Butted tubes
$ 27.50
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ISCG 05 tab
$ 12.95
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Columbus tapered fork blades for disc - 28.6mm round - 18.3mm OD tip - 1.2/1 wall - length = 520
$ 62.25
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Pre-raked fork blades - 28x19 oval - 1mm wall - length = 420
Pre-raked fork blades - 28x19 oval - 1mm wall - length = 420
$ 49.95
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9 products
The home of
lugs and fork crowns
designed by Kirk Pacenti
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Color your ride
Spray.bike
Level up your rattle can dreams.
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Framebuilder Supply Light Brackets

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Light bracket for supernova, E3, Busch & Müller, 50mm bolt spacing
Supernova E3/Schmidt SON tail light bracket in silver - Small
$ 8.00
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Supernova E3/Schmidt SON tail light bracket - Seat stay mount - silver
Supernova E3/Schmidt SON tail light bracket - Seat stay mount for left and right side
$ 13.00
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Supernova E3/Schmidt SON tail light bracket - Medium (silver)
$ 13.00
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Supernova E3/Schmidt SON tail light bracket - Large (silver)
$ 16.00
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5 products

Building your first frame? Let us help!

A primer on lugs

We break them down with simple language & graphics.

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What do I need to build a frame?

What you'll need to dip your toes into customizing your bike or even building your first frame.

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Cool & Helpful Links

Links to cool stuff by great people. From Pithy Bikes videos to Shimano frame requirements, you'll want to bookmark this page.

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Don't forget your consumables!

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3M's 314D utility cloth roll - 1" x 50 yds - 80 grit
$ 46.95
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Gasflux Type "B" Bronze Paste Flux - 1lb jar
$ 14.95
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Gasflux Type "U" Silver Paste Flux - 1lb jar
$ 14.95
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Harris Stay-Silv White Flux - 1/2lb jar
$ 9.95
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21 products

Our retail store

1515 SE Ankeny St,
Portland, OR 97214
971.251.0092

Pickups and in-person shopping by appointment only.

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