Skip to content
Close menu
Frame & Fork
Frame Tubes
Titanium tubes
Main Tubes
Top Tubes
Down Tubes
Seat Tubes
Head Tubes
Seat Stays
Chain Stays
Lugless BB Shells
Forks
Fork Blades
Fork Crowns
Steerer Tubes
Crown races
Complete Forks
BB Shells/Mounts
Lugged BB Shells
Lugless BB Shells
Motor Mounts & Jigs
Gearing Mounts & Jigs
Lugs
1" Standard
1" Oversize
1-1/8" Oversize
Lugged BB Shells
Seat Collars & Binders
Dropouts
Front
Rear
Modular
Braze-ons
Cables & Housing
Stops
Guides
Internal Routing Tubing
Braking
Brake Bridges
Brake Bosses
Disc Tabs
Shifting
Shifter Bosses
Derailleur bosses
Barrel Adj. Mounts
Attachment Points
Kickstand Plate
Chain Hangers
Pump Pegs
Bosses
ISCG 05 tab
Rack Tabs
Spoke Holders
Reinforcements
Seat Collars & Binders
Seat Stay Tips
Belt Drive Couplers
Hardware
Light Brackets
Barrel Adjusters
Housing Guides & Stops
BB Cable Guides
Dummy Headsets
Slip-fit Seat Collars
Seatpost Binder Bolts
Steerer Tube Plugs
Dropout Adj. Screws
Consumables
Abrasives
Fluxes
Rods & Wire
Paint
Brands
3M
Allotec
Co-Motion
Columbine
Columbus Tubing
Designed by Kirk Pacenti
Framebuilder Supply
Gasflux
Harris
Long Shen
Spray.Bike
Weld Mold
Merch
Caps
T-shirts
Gift Card
Sales
Log in
Facebook
YouTube
Twitter
Cart
Close cart
Order note
Your cart is currently empty.
Facebook
YouTube
Twitter
Currency
United States (USD $)
Albania (ALL L)
Algeria (DZD د.ج)
Andorra (EUR €)
Angola (USD $)
Anguilla (XCD $)
Antigua & Barbuda (XCD $)
Argentina (USD $)
Armenia (AMD դր.)
Aruba (AWG ƒ)
Australia (AUD $)
Austria (EUR €)
Azerbaijan (AZN ₼)
Bahamas (BSD $)
Bahrain (USD $)
Bangladesh (BDT ৳)
Barbados (BBD $)
Belgium (EUR €)
Belize (BZD $)
Benin (XOF Fr)
Bermuda (USD $)
Bolivia (BOB Bs.)
Bosnia & Herzegovina (BAM КМ)
Botswana (BWP P)
Brazil (USD $)
British Virgin Islands (USD $)
Brunei (BND $)
Bulgaria (BGN лв.)
Burkina Faso (XOF Fr)
Burundi (BIF Fr)
Cambodia (KHR ៛)
Cameroon (XAF Fr)
Canada (CAD $)
Cape Verde (CVE $)
Caribbean Netherlands (USD $)
Cayman Islands (KYD $)
Chad (XAF Fr)
Chile (USD $)
China (CNY ¥)
Colombia (USD $)
Comoros (KMF Fr)
Cook Islands (NZD $)
Costa Rica (CRC ₡)
Croatia (EUR €)
Curaçao (ANG ƒ)
Cyprus (EUR €)
Czechia (CZK Kč)
Denmark (DKK kr.)
Djibouti (DJF Fdj)
Dominica (XCD $)
Dominican Republic (DOP $)
Ecuador (USD $)
Egypt (EGP ج.م)
El Salvador (USD $)
Equatorial Guinea (XAF Fr)
Estonia (EUR €)
Eswatini (USD $)
Ethiopia (ETB Br)
Falkland Islands (FKP £)
Faroe Islands (DKK kr.)
Fiji (FJD $)
Finland (EUR €)
France (EUR €)
French Guiana (EUR €)
French Polynesia (XPF Fr)
Gabon (XOF Fr)
Gambia (GMD D)
Georgia (USD $)
Germany (EUR €)
Ghana (USD $)
Gibraltar (GBP £)
Greece (EUR €)
Greenland (DKK kr.)
Grenada (XCD $)
Guadeloupe (EUR €)
Guatemala (GTQ Q)
Guernsey (GBP £)
Guinea (GNF Fr)
Guinea-Bissau (XOF Fr)
Guyana (GYD $)
Haiti (USD $)
Honduras (HNL L)
Hong Kong SAR (HKD $)
Hungary (HUF Ft)
Iceland (ISK kr)
India (INR ₹)
Indonesia (IDR Rp)
Ireland (EUR €)
Israel (ILS ₪)
Italy (EUR €)
Jamaica (JMD $)
Japan (JPY ¥)
Jersey (USD $)
Jordan (USD $)
Kazakhstan (KZT 〒)
Kenya (KES KSh)
Kiribati (USD $)
Kuwait (USD $)
Kyrgyzstan (KGS som)
Laos (LAK ₭)
Latvia (EUR €)
Lesotho (USD $)
Liechtenstein (CHF CHF)
Lithuania (EUR €)
Luxembourg (EUR €)
Macao SAR (MOP P)
Madagascar (USD $)
Malawi (MWK MK)
Malaysia (MYR RM)
Maldives (MVR MVR)
Malta (EUR €)
Martinique (EUR €)
Mauritania (USD $)
Mauritius (MUR ₨)
Mayotte (EUR €)
Mexico (USD $)
Moldova (MDL L)
Monaco (EUR €)
Mongolia (MNT ₮)
Montenegro (EUR €)
Montserrat (XCD $)
Morocco (MAD د.م.)
Mozambique (USD $)
Namibia (USD $)
Nauru (AUD $)
Nepal (NPR ₨)
Netherlands (EUR €)
New Caledonia (XPF Fr)
New Zealand (NZD $)
Nicaragua (NIO C$)
Nigeria (NGN ₦)
Niue (NZD $)
North Macedonia (MKD ден)
Norway (USD $)
Oman (USD $)
Pakistan (PKR ₨)
Panama (USD $)
Papua New Guinea (PGK K)
Paraguay (PYG ₲)
Peru (PEN S/.)
Philippines (PHP ₱)
Poland (PLN zł)
Portugal (EUR €)
Qatar (QAR ر.ق)
Réunion (EUR €)
Romania (RON Lei)
Rwanda (RWF FRw)
Samoa (WST T)
San Marino (EUR €)
São Tomé & Príncipe (STD Db)
Saudi Arabia (SAR ر.س)
Senegal (XOF Fr)
Serbia (RSD РСД)
Seychelles (USD $)
Sierra Leone (SLL Le)
Singapore (SGD $)
Slovakia (EUR €)
Slovenia (EUR €)
Solomon Islands (SBD $)
South Africa (USD $)
South Korea (KRW ₩)
Spain (EUR €)
Sri Lanka (LKR ₨)
St. Barthélemy (EUR €)
St. Kitts & Nevis (XCD $)
St. Lucia (XCD $)
St. Martin (EUR €)
St. Vincent & Grenadines (XCD $)
Suriname (USD $)
Sweden (SEK kr)
Switzerland (CHF CHF)
Taiwan (TWD $)
Tanzania (TZS Sh)
Thailand (THB ฿)
Timor-Leste (USD $)
Togo (XOF Fr)
Tonga (TOP T$)
Trinidad & Tobago (TTD $)
Tunisia (USD $)
Turks & Caicos Islands (USD $)
Tuvalu (AUD $)
Uganda (UGX USh)
United Arab Emirates (AED د.إ)
United Kingdom (GBP £)
United States (USD $)
Uruguay (UYU $)
Uzbekistan (UZS )
Vanuatu (VUV Vt)
Vietnam (VND ₫)
Zambia (USD $)
Frame & Fork
Frame Tubes
Titanium tubes
Main Tubes
Top Tubes
Down Tubes
Seat Tubes
Head Tubes
Seat Stays
Chain Stays
Lugless BB Shells
Forks
Fork Blades
Fork Crowns
Steerer Tubes
Crown races
Complete Forks
BB Shells/Mounts
Lugged BB Shells
Lugless BB Shells
Motor Mounts & Jigs
Gearing Mounts & Jigs
Lugs
1" Standard
1" Oversize
1-1/8" Oversize
Lugged BB Shells
Seat Collars & Binders
Dropouts
Front
Rear
Modular
Braze-ons
Cables & Housing
Stops
Guides
Internal Routing Tubing
Braking
Brake Bridges
Brake Bosses
Disc Tabs
Shifting
Shifter Bosses
Derailleur bosses
Barrel Adj. Mounts
Attachment Points
Kickstand Plate
Chain Hangers
Pump Pegs
Bosses
ISCG 05 tab
Rack Tabs
Spoke Holders
Reinforcements
Seat Collars & Binders
Seat Stay Tips
Belt Drive Couplers
Hardware
Light Brackets
Barrel Adjusters
Housing Guides & Stops
BB Cable Guides
Dummy Headsets
Slip-fit Seat Collars
Seatpost Binder Bolts
Steerer Tube Plugs
Dropout Adj. Screws
Consumables
Abrasives
Fluxes
Rods & Wire
Paint
Brands
3M
Allotec
Co-Motion
Columbine
Columbus Tubing
Designed by Kirk Pacenti
Framebuilder Supply
Gasflux
Harris
Long Shen
Spray.Bike
Weld Mold
Merch
Caps
T-shirts
Gift Card
Sales
Log in
Search
Site navigation
Cart
Search
"Close (esc)"
Pause slideshow
Play slideshow
Got Flux?
Don't forget your consumables!
Fast, no-hassle shipping. Most orders ship the next business day.
Derailleur Bosses
Filter
Close menu
Availability
In stock
(2)
Out of stock
(0)
Price
Material
Steel
(1)
Stainless steel
(1)
Mount Type
Derailleur
(2)
Filter
2 products
Sort
Sort
Featured
Best selling
Alphabetically, A-Z
Alphabetically, Z-A
Price, low to high
Price, high to low
Date, old to new
Date, new to old
Quick Shop
Braze-on front derailleur boss
$ 5.95
"Close (esc)"
Quick Shop
Braze-on front derailleur boss - Stainless steel
$ 7.95
"Close (esc)"
"Close (esc)"
