Skip to content
YouTube
Instagram
Reynolds
Tubeset Builder
Country/Region
United States (USD $)
United States (USD $)
Search
Supplies
Classes
About
News
Account
Search
Cart
Supplies
Steel & Titanium Tubing
View All Reynolds®
Tubeset Builder
Main Tubes
Seat Tubes
Chainstays
Seatstays
Head Tubes
Fork Blades
Steerer Tubes
Small Parts
View All Paragon®
Head Tubes
Bottom Bracket Shells
Dropouts
Dropout Inserts & Hangers
Thru Axle Skewers
Weld-in Seat Collars
Braze-ons & Bits
View All Frame Bits
Brake Mounts
Cable Guides & Stops
Bosses & Eyelets
Binders
Stem Parts
Rack Parts
Tools & Consumables
View All Tools & Supplies
Tube Blocks
Dummy Axles
Brazing Supplies
TIG Supplies
Hole Saws & Arbors
Abrasives
Files & Cutting Tools
We've Got Paragon!
Classes
— Register Now! —
Framebuilding Classes
Build your own custom bicycle frame with us!
Learn More
Class Schedule
About
About Firsthand
Our Brands
Ordering Info & FAQs
About Reynolds
News
Products
Filter
449 products
Sort by
Alphabetically, A-Z
Most relevant
Best selling
Alphabetically, A-Z
Alphabetically, Z-A
Price, low to high
Price, high to low
Filters
Out of stock
Show
Hide
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
Quick buy
Reynolds
#HB102
525, 25.4, 2.3-1.6, Threaded Steerer x 240
Regular price
$20.26 USD
Sold out
5 in stock
Quick buy
Reynolds
#HB103
525, 25.4, 2.3-1.6, Threaded Steerer x 300
Regular price
$20.26 USD
8 in stock
Quick buy
Reynolds
#HB104
525, 25.4, 2.3-1.6, Threaded Steerer x 400
Regular price
$23.47 USD
10+ in stock
Quick buy
Reynolds
#HB114
525, 25.4, 2.3-1.6, Threadless Steerer x 400
Regular price
$17.60 USD
Quick buy
Reynolds
#AF455
525, 28.6, 1.2-6-9 x 550 Ext. Butt Seat Tube
Regular price
$16.73 USD
Special Order
10+ in stock
Quick buy
Reynolds
#HB142
525, 28.6, 1.6-1.1, Threadless Steerer x 400
Regular price
$25.11 USD
Quick buy
Reynolds
#HB145
525, 28.6, 2.3-1.6, Threadless Steerer x 300
Regular price
$22.69 USD
Sold out
Quick buy
Reynolds
#HB144
525, 28.6, 2.3-1.6, Threadless Steerer x 420
Regular price
$19.12 USD
Sold out
Quick buy
Reynolds
#AF208
525, 28.6, 7-4-7 x 680 Main Tube
Regular price
$17.63 USD
Special Order
Quick buy
Reynolds
#AF250
525, 28.6, 8-5-8 x 635 Main Tube
Regular price
$17.63 USD
Special Order
Quick buy
Reynolds
#AF401
525, 28.6, 9-6 x 635 Seat Tube
Regular price
$18.60 USD
Special Order
7 in stock
Quick buy
Reynolds
#FC1535
525, 28/17, 8-6 x 450 Double-bend Chainstays
Regular price
$47.00 USD
6 in stock
Quick buy
Reynolds
#FC1530
525, 29/17, 9-6 x 450 Single-bend Chainstays
Regular price
$44.78 USD
Quick buy
Reynolds
#FC1510
525, 29/17, 9-6 x 450 Straight Chainstays
Regular price
$39.72 USD
Sold out
Quick buy
Reynolds
#DC151
525, 31.8, 0.9 x 210 Head Tube (for 25.4 Steerer)
Regular price
$8.90 USD
Sold out
Quick buy
Reynolds
#DC153
525, 31.8, 0.9 x 635 Head Tube Stock (for 25.4 Steerer)
Regular price
$13.43 USD
Sold out
Quick buy
Reynolds
#AF304
525, 31.8, 8-5-8 x 635 Main Tube
Regular price
$18.87 USD
Special Order
Quick buy
Reynolds
#AF506
525, 34.9, 8-5-8 x 680 Main Tube
Regular price
$17.71 USD
Special Order
Quick buy
Reynolds
#DC158L
525, 36, 1.0 x 600 Head Tube Stock (for 28.6 Steerer)
Regular price
$29.95 USD
Sold out
Quick buy
Reynolds
#DC159
525, 36.4, 1.2 x 200 Head Tube (for 28.6 Steerer)
Regular price
$8.37 USD
Sold out
Quick buy
Reynolds
#DC159L
525, 36.4, 1.2 x 600 Head Tube Stock (for 28.6 Steerer)
Regular price
$20.50 USD
Sold out
6 in stock
Quick buy
Reynolds
#KC111
525, 38.1, 0.9 x 760 Tandem Base Tube
Regular price
$48.96 USD
4 in stock
Quick buy
Reynolds
#KC120
525, 49/28, 0.9 x 760 Tandem Base Tube, Oval
Regular price
$57.25 USD
Quick buy
Reynolds
#AF508
525, 56, 1.0 x 800 "Rey-Drive" Down Tube
Regular price
$23.50 USD
Special Order
Quick buy
Reynolds
#AF507
525, 56, 9-7-9 x 750 "Rey-Drive" Down Tube
Regular price
$33.74 USD
Special Order
4 in stock
Quick buy
Reynolds
#AB112
531, 25.4, 8-5-8 x 635 Main Tube
Regular price
$18.99 USD
Quick buy
Reynolds
#BB112
531, 28.6, 8-5-8 x 650 Main Tube
Regular price
$25.50 USD
Sold out
Quick buy
Reynolds
#CB102
531, 28.6, 8-6 x 635 Seat Tube
Regular price
$25.07 USD
Sold out
1 in stock
Quick buy
Reynolds
#FX5528L
631, 22.2, 8-6 x 450 Single-bend Chainstays
Regular price
$72.56 USD
Quick buy
Reynolds
#FX5525L
631, 22.2, 8-6 x 450 Straight Chainstays
Regular price
$61.14 USD
Sold out
« Previous
·
1
2
3
4
…
15
·
Next »
Your cart
Close
Close
Your cart is empty
Start shopping