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Class Length
2-weeks
6
1-week
2
Multi-day
12
Build a Frame?
Yes
6
No
14
Material
Steel
239
Stainless Steel
53
3/2.5 Titanium
20
3D Printed Stainless Steel
1
Aluminum
22
Titanium
47
Category
Main Tube
83
Seat Tube
32
Head Tube
37
Chainstays
31
Seatstays
19
Bottom Bracket Shell
8
Steerer Tube
11
Fork Blades
18
Dropout
1
Tandem Tube
2
Binders
3
Bosses & Eyelets
14
Brake Mounts
27
Brazing Filler
7
Brazing Flux
3
Brushes
2
Cable Guides & Stops
26
Carbide Burs
4
Cartridge Rolls
6
Complete Tubeset
4
Deburring Tools
1
Dropout Inserts & Hangers
11
Dropouts, Adjustable
4
Dropouts, Front
2
Dropouts, Rear
21
Dropouts, Small Parts
4
Dummy Axles
6
Filler Rod
4
Flap Wheels
1
Fork Crown
1
Hole Saws & Arbors
6
Metal Files
6
Rack Parts
2
Seat Collar
6
Shop Roll
2
Stem Parts
3
Thru Axle Skewer
4
Tube Blocks
2
Style
2" x 2" x 2"
2
Adapter
1
Back Plate
1
Barrel Adjuster
2
Barrel Nuts
1
BSA
3
Cable Clamp
2
Cable Stop
9
Chain Hanger
1
ComboHead
4
EC34/EC34
10
EC37/EC37
2
EC44/EC44
12
Flat
6
For 1" Steerer
5
Front Plate
1
Horizontal
1
Indexer, +2mm
2
Indexer, Exact
2
IS52/IS52
8
ISO
12
Low Mount
4
Plate, Flat Mount
4
Plate, QR Front
1
Plate, QR Rear
3
Plate, Thru Front
1
Post
5
Pump Peg
1
Rack Mount
3
Rim Brake
3
Rocker
4
Round
2
Round Rear
3
Single M6
2
Slider
8
Snap Ring
2
Spacer, Exact
1
SRAM Full Mount/UDH
8
Steerer Clamp
1
STI
2
Straight
1
Syntace X-12
3
T47
4
Tapered
1
Water Bottle Boss
5
Zip-tie Guide
7
Brand
Allotec
1
Firsthand
7
Firsthand Framebuilding
20
Gasflux
10
Paragon
144
Pferd
22
Reynolds
239
Weld Mold
4
Wilpu
2
Typical Use
Down Tube
59
Top Tube
24
Seat Tube for 27.2 Post
17
Seat Tube for 30.6 Post
1
Seat Tube for 30.9 Post
2
Seat Tube for 31.6 Post
12
Road/Gravel Rear Triangle
44
Gravel/MTB Rear Triangle
5
Head Tube for 1" Steerer
5
Head Tube for 1.125" Steerer
10
1.125" Steerer Tube
4
1" Steerer Tube, Threaded
3
1" Steerer Tube, Threadless
2
Rim Brake Fork Blades
9
Disk Brake Fork Blades
9
Tandem Base Tube
2
Head Tube for Tapered Steerer
22
MTB Rear Triangle
1
Series (Reynolds)
325
20
525
35
531
3
631
52
725
22
853
72
931
21
Outer Diameter
0
1
Oval
39
14mm
2
16mm (0.625")
11
19mm (0.75")
6
22.2mm (0.875")
10
25.4mm (1")
12
28.6mm (1.125")
38
31.8mm (1.25")
29
34.9mm (1.375")
27
36mm
11
37.3mm
1
38.1mm (1.5")
10
41.3mm (1.625")
1
44mm (1.75")
4
56mm
2
34.1
6
-
12
Length (mm)
300-399
17
400-499
44
500-599
34
600-699
87
700-799
14
800+
4
Less than 300
21
Price
$
$
Sort by
Most relevant
Best selling
Alphabetically, A-Z
Alphabetically, Z-A
Price, low to high
Price, high to low
Apply
10+ in stock
Quick buy
Paragon
#B4095
Syntace X-12 Insert, 0.5mm Eccentric, Black
Regular price
$9.95 USD
10+ in stock
Quick buy
Paragon
#B4097
Syntace X-12 insert, 1.0mm Eccentric, Black
Regular price
$9.95 USD
6 in stock
Quick buy
Firsthand Framebuilding
TIG Clinic, April '27
Regular price
$300.00 USD
5 in stock
Quick buy
Firsthand Framebuilding
TIG Clinic, Dec. '26
Regular price
$300.00 USD
5 in stock
Quick buy
Firsthand Framebuilding
TIG Clinic, Jan. '27
Regular price
$300.00 USD
6 in stock
Quick buy
Firsthand Framebuilding
TIG Clinic, March '27
Regular price
$300.00 USD
6 in stock
Quick buy
Firsthand Framebuilding
TIG Clinic, Nov. '26
Regular price
$300.00 USD
Final Sale!
10+ in stock
Quick buy
Paragon
#CLCS0013
Titanium Barrel Adjuster, STI Stop (Blemished)
Regular price
$7.95 USD
6 in stock
Quick buy
Firsthand Framebuilding
Titanium TIG w/ Mike DeSalvo, May '27
Regular price
$500.00 USD
10+ in stock
Quick buy
Paragon
#FT4012
Tube Block, 2"x2"x2", 1-1/4" Bore
Regular price
$28.95 USD
9 in stock
Quick buy
Paragon
#FT4014
Tube Block, 2"x2"x2", 1-3/8" Bore
Regular price
$28.95 USD
Stainless
10+ in stock
Quick buy
Paragon
#MS1018
Water Bottle Boss, Stainless, 3/8" OD for 1/4" Hole
Regular price
$5.95 USD
10+ in stock
Quick buy
Paragon
#MS2018
Water Bottle Boss, Steel, 3/8" OD for 1/4" Hole
Regular price
$3.95 USD
Titanium
10+ in stock
Quick buy
Paragon
#MS0018
Water Bottle Boss, Titanium, 3/8" OD for 1/4" Hole
Regular price
$5.95 USD
Stainless
10+ in stock
Quick buy
Paragon
#MS1019
Water Bottle Stud, Stainless, M5, 1/4" (6.35mm) Long
Regular price
$6.95 USD
Titanium
10+ in stock
Quick buy
Paragon
#MS0019
Water Bottle Stud, Titanium, M5, 1/4" (6.35mm) Long
Regular price
$5.95 USD
10+ in stock
Quick buy
Weld Mold
#203.T.035.36B
Weld Mold 70S2 TIG Rod .035" x 36", 1lb.
Regular price
$13.60 USD
10+ in stock
Quick buy
Weld Mold
#203.T.045.36B
Weld Mold 70S2 TIG Rod .045" x 36", 1lb.
Regular price
$10.69 USD
10+ in stock
Quick buy
Weld Mold
#880.T.035.36A
Weld Mold 880 TIG Rod .035" x 36", 1lb.
Regular price
$35.39 USD
10+ in stock
Quick buy
Weld Mold
#880.T.045.36A
Weld Mold 880 TIG Rod .045" x 36", 1lb.
Regular price
$35.26 USD
8 in stock
Quick buy
Wilpu
#W-31B2
Wilpu Bi-Metal Fine Tooth Hole Saw, Common Size 11-Pack
Sale price
$119.40 USD
Regular price
$132.66
Quick buy
Wilpu
Wilpu Bi-Metal Fine Tooth Hole Saw, Select Size
Regular price
From
$9.55 USD
10+ in stock
Quick buy
Paragon
#CS2023
Zip-tie Guide, Steel, Single
Regular price
$2.95 USD
10+ in stock
Quick buy
Paragon
#CS2322
Zip-tie Guide, Steel, Triple
Regular price
$2.95 USD
Titanium
10+ in stock
Quick buy
Paragon
#CS0111
Zip-tie Guide, Titanium, Single
Regular price
$6.95 USD
Titanium
10+ in stock
Quick buy
Paragon
#CS0113
Zip-tie Guide, Titanium, Single, 1-1/4" Miter
Regular price
$6.95 USD
Titanium
4 in stock
Quick buy
Paragon
#CS0112
Zip-tie Guide, Titanium, Single, 7/8" Miter
Regular price
$6.95 USD
Titanium
Quick buy
Paragon
#CS0322
Zip-tie Guide, Titanium, Triple
Regular price
$6.95 USD
Sold out
Titanium
10+ in stock
Quick buy
Paragon
#CS0116
Zip-tie Guide, Titanium, Universal, Miter
Regular price
$14.95 USD
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