What's New??



BL01 -  Bottom Head Lug for Columbus Tapered Head Tube CYRG18245001
46mm head tube, 34.9mm down tube port. 60 degree


Cadenzia XLH-04 Lugset
This Cadenzia Lugset (L12) option includes brand new alternate Seat lug for shot in Columbus 17mm Seat Stays eg SLF715560
For 36mm head tube, 31.7 top and seat tube, 35mm down tube. Horizontal Top Tube.
Spec Sheet here. Available Steel. Full set only.


Crescendo XLS-04 Lugset
This Crescendo Lugset (P3) option includes brand new alternate Seat lug for shot in Columbus 17mm Seat Stays eg SLF715560
For 36mm head tube, 31.7 top and seat tube, 35mm down tube. Sloping Top Tube.
Spec Sheet here. Available Steel and Stainless Steel. Full set only.


New Columbus Disc Chain Stays
Available with and without the flat mount specific squashed tip area. Especially designed for road and gravel disc frames.
The -001 models feature an additional third bend for fatter tyres. Left chain stays (ending SX and SX001) have flattened notch which
accepts 809 flat disc mount shown below.

The drawings are below. Please note that these are not to scale.



809 Flat Caliper Mount - Steel

810/811 Flat Caliper Mount - Steel
810 - Curved to fit a 16mm round.
811 - Curved to fit a 14mm round

LV003A Cast Flat Disc Brake Boss 30mm
S-LV003A .
As above in stainless steel


LV004 Post Mount Disc Brake Boss. Cast

New Columbus Disc Unicrown Fork blades 28.6mm


Columbus Carbon Fork Bung Extra Long
For 28.6mm steerer. L=60mm



XCR Stainless Head Tube 46mm Outside Diameter
For 44mm internal Diameter and tapering 1.5 to 1.125" Forks. Head reinforcement rings now available code 489BS.





Spoke Holder Set
316 Stainless Steel. Mitred for oval chain stays


2143 Double Cable Guide. Steel Braze on. Cable Through. 6.3mm Internal


Investment cast M5 boss for Columbus Externally butted seat tubes.

L9 - Steel
L9S - Stainless Steel

Designed to fit Columbus Externally butted seat tube # ZON113___001 with an external diameter of 32.7/33.5mm
which fit 31.6mm seat posts. Use as a pair to give a secure but gentle grip to carbon 31.6mm seat posts.

Easy to fit and braze. Drill 2 x 2mm location holes for the boss's location pins. Braze rod feed hole for easy clean brazing.
Use a standard M5x20 cap head screw.


Stainless Steel Blank Brake Boss. With replaceable Pivot (Steel)


Bosch Motor Casing

Cast steel. For electric bicycle. Gen. 4





Cast Steel Cable Guide. Double. For Zip Tie. Radius for 28.6mm Tube.

200B-S . As above in stainless steel

V5 . Long disc mount ISO for extra stress distribution


SC381286 Tapered Steel Steerer 1 1/2" to 1 1/8"

350mm long from crown race. Crown race needs finishing by frame builder

DI2 / Cable Routing Fittings for Carbon/Aluminium/Steel Frames:

E70 Cast Outer Shell Steel. Braze in

E71 Aluminium bolt in inner for E70. Large hole to small hole. Comes with bolt


E72 Aluminium bolt in inner for E70. Large hole for full cable through. Comes with bolt.


E74 Aluminium bolt in inner. For use with rubber grommets. Comes with bolt


Optional reinforcement plate and rubber grommets if requested.

a) Stainless steel reinforcement plate code EXRINFEML for use with steel/stainless frames. To be silver soldered on and any of the above kits can be glued onto this.

b) Code TA-ELT (middle).  To seal unit if cables are not being used.

c) Code GOM-GU (bottom left). Rubber Guide for electric cable with exit cable free angle

d) Code PA-ELT-01 (bottom right).  As above but exit angle 45 degree.


E60 Cast Outer Shell Steel. Double. Braze in



E62 Aluminium bolt in inner for E60. Large holes for full cable through. Comes with bolt.

E64 As above, but 1 x hole for full cable thru and 1 x hole for grommet

E65 As above, cap, no holes


203 Cast Cable Guide - Steel


Stainless Cable Guides. Straight Through

102NS - 6mm Internal
104NS - 6mm Internal


Gear Adjuster Boss

301N  Steel
301NS Stainless Steel

Columbus Compass Headsets
COLHEADSETI - 1-1/8 Upper and Lower Carbon/Ceramic
COLHEADSETF - 1.5" Carbon - Suits Columbus CYRT18240 head tube and rings
COLHEADSETG - 1.5" Carbon/Ceramic. Suits Columbus CYRT18240 head tube and rings
737SS34 - 1 1/4" Tapered. Suits Futura Gravel Fork with CYRG18245001 Tapered Head Tube
737SS44 - 1 1/4" Cylindric. Suits Futura Gravel Fork with CYRG18240 and other 44mm ID Straight Head Tubes
737SS47 - 1 1/2" Cylindric. Suits Futura Disc and other 1 1/2" to 1 1/8" tapering forks with 44mm ID Straight Head Tubes.



L8 Lug Fittings for Racks
Cast Stainless Steel. Articulated for all angles of rack, fits 8mm to 5/16" Tube
One casting has a M3 light earth wire boss (can be filed off if not required),
fits Paul Components brakes. Other Pictures



Kick Stand Boss Stainless Steel
3 part. Picture above shows the parts built into the frame. 85mm width at front, 105mm at back. Picture here shows the parts themselves
Export except to Germany

808PM Disc Boss. Post Mount. Front

812. Rear Disc Brake. M6

813. Front Disc Brake M6

814. Rear Disc Brake. M6



900 Brake Boss. Cast with pivot



Fat Bike Chain Stays
30/17 Oval S bend 440mm length 1/0.7mm to 12.5mm tip. Cromoly. Drawing here.


Fat Bike Seat Stays




Sax Max Lug Set

For 36mm head tube, 31.7mm top tube, 35mm down tube, 31.7mm seat tube. Stainless Steel. 73/59/73 degree.


Dedacciai Dropouts
Long Plug for epoxying in. Adjustable Seat Stay Angle



170B Double Cable Guide
Bolt on. Black Anodized Aluminium. 4.0mm Internal Diameter

170A Single Cable Guide
Bolt on. Black Anodized Aluminium. 4.8mm Internal Diameter


V4 Disc Mount
Iso. Extended. Steel


JS-90 Bridge Tube - Double
12mm diameter




Centre Pull Brake Boss
Mafac Type. This is New/Old stock. Has some light surface rust.



Chain Stay Bridge. Waisted. Steel
266. Widest Point 26.6mm
244-281. Widest Point.28.1mm
244-346. Widest Point.34.6mm

Chain Stay Bridge Diamond
Fits Chain Stay Bridge above. Also 196S (stainless chain stay bridge)

363 -  Steel
363S- Stainless Steel



Dedacciai Steel Road Rear Stays
MPO222B104 Chain Stay, MPV180A505 Seat Stay and MPV180A502 Seat Stay



Dedacciai 27.5" / 29.0" Steel MTB Rear Seat Stays
MPV180A506 Seat Stay

Dedacciai Steel Rear Seat Stays
MPV180A507 Seat Stay


Deddacciai Adamantis Down Tube



Rocker Dropouts 17/4 Stainless Steel
DS1035 Plates Only Stainless Steel
B4014   Right No Hanger. Black Anodized Aluminium
B4015   Right with Hanger. Black Anodized Aluminium
B4026   Left. With Post Mount Fittings. Black Anodized Aluminium.

Cromoly Steel Tapered Steerer Tube

1 1/2" to 1 1/8". Length 350mm from the bottom of the crown race.


Sleeve Tube Cromoly Steel:

26.1mm internal diameter x 1.5mm wall x 70mm length
28.7mm internal diameter x 1.5mm wall x 70mm length
31.9mm internal diameter x 1.5mm wall x 70mm length


Fork Blade for Disc Brakes
631 27.5X20  1.1  x 400mm 30mm , 45mm offset or Straight - 17.2mm tip
Cast plug in fork ends to fit available.



Aluminium Tube Blocks.
Available in 1/2", 5/8", 3/4", 7/8", 1", 1 1/8", 1 1/4",  1 3/8", 36mm, 1 1/2", 42mm, 1 3/4", 46mm, 2" bore.


Q4 Tig Dropouts for Shimano Direct Mount


Seat Stay Splitter 3 Part.
16 or 19mm. 17/4 Stainless Steel


HT44 - Head Tube 43.95mm Internal Diameter
4130 Steel. 1.15mm thickness. Available 100, 110, 120, 130, 140, 150mm. With vent holes. Also 90, 160, 170, 180 190, 200, 220mm No holes
Hole 19mm Diameter, centre 23mm from top, 33mm from bottom


170C Triple Cable Guide Bolt on
4mm Cable Left and Right, 5mm cable centre.



193L Stainless Steel Brake Bridge.
Allen key fitting.


202 Zip Tie/Cable Stop Combination. Cast





Top Eyes Cast for 16mm Seat Stays
312C. Non Stainless
312S. Stainless version.
311S. Stainless Version Suit 14mm Seat Stays

F472 Bottle Boss and Diamond
As above in Stainless


N3 Touring Fork Crown for 28.6mm Steerer
Oval Blade 27.5x20 to fit Columbus, Reynolds etc
Cast internal fender and rack strut pegs and generator wire routing. 4.5mm. from blade top to crown race. 14.5mm. from brake bolt center to crown race. 54mm. between tangs. 143gm. weight. Crowns supplied with 4 casting points which can be ground off before or after brazing in fork blades.



10mm and 8mm Cromoly Tube Lengths
10mmx0.9x1500 and 8x1.0x1500mm



M1 Seat tube Sleeve 31.7mm OD, 27.2mm ID Steel

Stepped to fit inside Columbus SLFM13 - 31.7mm outside diameter seat tubes
so that standard 27.2mm seat posts can be used without shim with lugged frames






P2DERAUILLER.jpg (39907 bytes)

S2C-286 Steel Front Derailleur Boss

20mm slot. For 28.6mm seat tube

S2N-286 As above but in stainless steel

S2C-317 Steel Front Derailleur Boss for 31.7mm seat tubes

S2N-317. As above for 31.7 but Stainless Steel


293B Pannier Boss Front

Extended for extra clearance



Retro Track Nut - Chrome Plated M8

New Disc Brake Options - 4130 Plate

V1 - Long Slot Type. NB seat stay dropout position/bend may need to be optimized to get correct disc mounting. Easiest with Breezer/Wright/Surly type dropouts.


V2 - Extra Support Type



Limpet -  Stainless Steel. Available in 28.6, 31.7 or for chain stay.


DBH Disc Brake Dropouts
Available in steel and stainless steel
Stainless face kit option available.
All threads have to be cut.
Supply worldwide except to Germany



DBNH Disc Brake Dropouts
Suitable for Rohloff

Available in steel and stainless steel
Stainless face kit option available.
All threads have to be cut.
Supply worldwide except to Germany

NDBNH Dropouts
Suitable for Rohloff

Available in steel and stainless steel
Stainless face kit option available.
All threads have to be cut.
Supply worldwide except to Germany



DB Disc Brake Mount
Available in steel and stainless steel
Stainless face kit option available.
Radius curve suits Ritchey cast dropouts
Supply worldwide except to Germany


DBF Disc Brake Fronts
Available in steel and stainless steel
All threads have to be cut.
4mm washer for IS2000 offset included
Supply worldwide except to Germany

DBF-WASHER 4mm for disc brake front alignment available seperately


141S. Stainless Steel Diamond Cap for Internal Top Tube Routing
 Also now 368S Stainless Steel End Stops for Internal inner wire routing

MAX Type Fork Blades. Aero Profiled along the full length
1.0mm gauge x390 length. For use with any of our MAX fork crowns
as well as LE-MAX cast fork tips. Cromoly Material. Non Columbus. 


Dedacciai 29er Down Tube 38 x 1.0/0.5/0.8 x 780mm
COM (Nivacrom equivalent) material


Columbus XCR Stainless Steel Tubing for Lugs. Standard Oversize Tubes.
Specifications in Columbus 2001 Catalogue Here

Cadenzia Lugset
Specifications Here. 36mm Head, 35mm down, 31.7mm top and seat tube. Also available in Stainless

Custodian Lugset

Specifications Here. 31.7mm Head, 31.7mm down, 28.6mm top and seat tube. Also available in Stainless


489S Head Tube Rings Stainless Steel
For 36mm Head Tube (28.6mm Forks)


F362 Brake Bridge Diamond
F362S Stainless Version

Cast. Suitable for C131 aero brake bridge


F471   Fleur de Lys Combined Cast Bottle Boss and Diamond
F471S Stainless Version


196S Stainless Chain Stay Bridge 33mm



200S Stainless Cable Guide.

Comes with Plastic Clip. Also Suitable for Zip Tie



Indexed Cast Down Tube STI/Ergo Boss.

R3   - Standard Steel
R3S - Stainless Steel


Fleur De Lys Top Eyes.
K3     10.7mm Internal Diameter



808N Disc Brake Boss

New Shape


189T Brake Bridge

No Brake Hole. Suitable for Track. 80mm Width


Machined Steel Brake Boss with Replaceable Pivot

H8 RP 


Track Plate Dropouts with Stainless Faces

RE1430   - Standard Steel Plates with Stainless Faces
RE1430S - Stainless Steel Plates with Stainless Faces.



29er Down Tubes Now Available

In Zona Nivacrom.

35 x 0.8/0.5/0.8 x 750mm
38 x 0.7/0.5/0.7 x 750mm
42 x 0.7/0.5/0.7 x 735mm


Rene Singer Cast Lugs

For 28.6mm Top Tube and Seat Tube, 31.7 Head Tube and Down Tube. M5 STI Bosses




S05 Alloy Seat Clamp 31.8mm or 35mm (S06)

Black Anodized. Angled tightening mechanism as recommended for carbon seat posts


New Stainless Versions of Cast Parts Already Stocked:

C131S Brake Bridge




Stainless Steel Brazeons

297S Stainless Chain Hitch
111SR Stainless Cable Stop. Round
111S Stainless Cable Stop as above with flat base

282S Stainless STI/Ergo Boss
110S Stainless Cable Stop 6.2mm ID


296S Stainless Gear Lever Boss




H20 Brake Boss. For Maximum reach. 20mm Bias.




Stainless Steel Brazeons

360S Bottle Boss Diamond. Reynolds  recommend using bottle boss diamonds for their 953 tubing.
581S Mudguard Eye
284S Pannier Boss



478INOX Bottle Boss M5 Stainless Steel

Dead Ended, to prevent water entering the frame through the bosses.
Can be supplied with M5x12 Stainless Steel Socket Head Bolt


470 Bottle Boss with 4mm Lip

Extra thick lip so the bottle cage more easily clears the front derailleur clamp



Brass Deluxe STI Adjuster Screws with Stainless Spring





Z3 Brake Bridge Stainless Steel

Or Z3N. Standard steel



TM  Clip on Mount

For more details Click Here Full Instruction included.




U Brake Boss


SS EG0915OV...101 Ego, Nivacrom 25/12 oval, double tapered, L=550, 0.6 126 g eg0915ov...101.jpg (3490 bytes)


EGO Deep Section Aero Seat Stays

Back in Stock




902   Cast Steel Seat Boss
For 28.6mm Seat Tube
Stainless Version.
902-31.7  Cast Steel Seat Boss
For 31.7mm Seat Tube
Stainless Version.

M6 Thread.



 422S Allen Key Bolt. Stainless Steel

Long. 26mm. Suitable for Deep Section. 



201 Zip Tie Cable Guide. Now comes with Clip

Black Anodized Aluminium. Rivet on.


200 Zip Tie Cable Guide. Now comes with Clip





W2081 Cast Underbracket Guide.

Stainless Steel



360 Bottle Boss Diamond



129S Pop Nut Bottle Boss M5

Stainless Steel 6.8mm OD

129 Pop Nut Bottle Boss Boss

Non Stainless 7.2mm OD




T12 Cast Screw on Head Tube Mount for STI Guides

Sized for 36mm Head Tube. Stainless Steel.





R2 Gear Boss STI/Ergo M5. Cast.
R2S Stainless Version

Cast Stainless Rivet On Derailleur Boss. 

Now available in size to suit 35mm Seat Tubes as well as the previously stocked 31.8mm version.



C1 Stainless Steel STI/Ergo Adjuster Screw. 

M5. Suitable for L1 Boss. See Below. Supplied with Stainless Spring.

C2 Stainless Steel Brake Adjuster Screw & Stainless Lock Nut




L1 Stainless Steel Down Tube STI/Ergo Gear Boss

Available profiled for 31.7mm or 34.9mm down tubes. M5. Supplied Unpolished, for use with paint or for polishing without paint.

Now supplying Worldwide

183 Indexed Alloy STI/Ergo Adjuster Boss

Rivet on Type. Black Anodized. Index Cable Adjusters also available.
Stainless Steel Rivets available for above.




In Line Gear Cable Adjuster Set.

Click here to see where these fit. 

Aluminium Bottle Boss Fitting Tool.

Suitable for 129S Aluminium Bottle Bosses we sell (see above).


Fleur De Lys Lug Set Now Available in Stainless. We are now stocking in stainless the complete Fleur De Lys Lug Set including 3 main tube lugs, Bottom bracket Shell English thread, Fork Crown (straight), Fork Ends, and Adjustable angle Rear Dropouts. For the time being we will be selling these parts together as a set only. If required seperately we can special order these parts in for you, see below. We've shown above a finished Fleur De Lys Stem, made up of the stem lugs and supplied stainless tube, seperately available as a set from stock, as an example of the kind of finish that it is possible to obtain after polishing.