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Frame & Fork
Frame Tubes
Tube Sets
Main Tubes
Top Tubes
Down Tubes
Seat Tubes
Head Tubes
Seat Stays
Chain Stays
Lugless BB Shells
Forks
Fork Blades
Fork Crowns
Steerer Tubes
Complete Forks
BB Shells & Mounts
Lugged BB Shells
Lugless BB Shells
Electric Motor Mounts
Jigs for Motor Mounts
Gearing Mounts
Lugs
1" Standard
1" Oversized
1-1/8" Oversized
Seat Collars & Binders
Dropouts
Front
Rear
Modular
Braze-ons
Housing
Stops
Guides
Braking
Brake Bridges
Brake Bosses
Disc Tabs
Shifting
Shifter Mounts
Derailleur Mounts
Barrel Adj. Mounts
Attachment Points
Kickstand Plate
Chain Hangers
Pump Pegs
Bolt Bosses
Rack Tabs
Spoke Holders
Reinforcements
Seat Collars & Binders
Seat Stay Tips
Belt Drive Couplers
Hardware
Light Brackets
Barrel Adjusters
Housing Clips
BB Cable Guides
Dummy Headsets
Seatpost Binder Bolts
Steerer Tube Plugs
Dropout Adj. Screws
Consumables
Abrasives
Fluxes
Rods & Wire
Brands
3M
Allotec
Co-Motion
Columbine
Columbus Tubing
Designed by Kirk Pacenti
Framebuilder Supply
Gasflux
Harris
Long Shen
Weld Mold
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Got Flux?
Don't forget your flux, welding & brazing rods etc.
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Bosses
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Bolt Size
M5
M6
Brand
Allotec
Framebuilder Supply
Material
Stainless
Steel
Product Type
Bolt Bosses
Reinforcements
Threading
Threaded
Bolt Size
M5
M6
Brand
Allotec
Framebuilder Supply
Material
Stainless
Steel
Product Type
Bolt Bosses
Reinforcements
Threading
Threaded
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14 products
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Water bottle bosses - 10 & 100-packs
Framebuilder Supply
(8)
from
$ 3.90
Water bottle bosses - stainless steel - 10 & 100-packs
Framebuilder Supply
(3)
from
$ 9.50
Sold Out
Water bottle bosses - Made in USA - 10 & 100-packs
Framebuilder Supply
(2)
from
$ 7.95
Blind water bottle bosses - stainless steel - 10 & 100-packs
Framebuilder Supply
(5)
from
$ 9.95
Water bottle boss reinforcing stars - 10-pack
Allotec
(0)
$ 4.90
Water bottle boss reinforcing stars - stainless steel - 10-pack
Allotec
(0)
$ 5.90
Rack bosses for M5 bolts - Made in USA - 10 & 100-packs
Framebuilder Supply
(2)
from
$ 12.65
Sold Out
Standoff eyelet bosses for M5 bolts - 2 & 10-packs
Allotec
(1)
from
$ 4.95
Eyelet bosses for M5 bolts - 10 & 100-packs
Framebuilder Supply
(3)
from
$ 5.50
Eyelet bosses for M5 bolts - stainless steel - 10 & 100-packs
Framebuilder Supply
(1)
from
$ 10.95
Offset rack bosses for M5 bolts - 10-pack
Framebuilder Supply
(0)
$ 5.95
Rack bosses for M5 bolts - 10-pack
Framebuilder Supply
(6)
$ 5.95
Rack bosses for M5 bolts - Stainless steel - 10-pack
Framebuilder Supply
(1)
$ 11.95
Bosses for M6 bolts - 10 & 100-packs
Framebuilder Supply
(3)
from
$ 6.25
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