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20260318 - Argonaut64387.jpg

CUSTOM ORDERS
ARE CLOSED.

Our production schedule for custom Road and Gravel bikes is now full.

We do, however, have a select number of in-stock frames available for paint and build. If you're interested in securing one, we'd love to help you find the right fit.

FOREVER RIDING ON A FOREVER MACHINE

The craftsmanship, quality, and care of custom, without the wait. The fastest way to experience the ride of your life is here.

Geometry
480
505
515
530
540
550
560
570
580
HTA
69.5
71.5
71.5
72
73
73.25
73.25
73.5
73.5
STA
74
74
74
73.5
73
73
73
73
73
CHAINSTAY
408
408
408
408
408
408
408
408
408
BB DROP
80
75
75
75
72
72
72
70
68

ST LENGTH

442
457
439.5
493
509
525
534
551
573
EFF. TT
476
505
515
528
540
550
560
570
580
TT ANGLE
10.3
9
8.5
8
7.5
7
7
6.5
6
HT LENGTH
101
104
114
134
144
154
164
179
199

STACK

505.5
510.6
520
540.8
550.8
563.3
572.9
586.1
603.3

REACH

335
357.5
364.8
367.1
371.6
377.9
385
391
395.8
FORK RAKE
50
50
50
50
50
43
43
43
43
FORK C.t.A.
371
371
371
371
371
371
371
371
371
  • 480
    505
    515
    530
    540
    545
    550
    560
    565
    570
    575
    580
    595
    HTA
    69.5
    71.5
    71.5
    72
    73
    73
    73.25
    73.25
    73.25
    73.5
    73.25
    73.5
    73.5
    STA
    74
    74
    74
    73.5
    73
    73
    73
    73
    73
    73
    73
    73
    72.5
    CHAINSTAY
    408
    408
    408
    408
    408
    408
    408
    408
    408
    408
    408
    408
    408
    BB DROP
    80
    75
    75
    75
    72
    72
    72
    72
    70
    70
    70
    68
    68

    ST LENGTH

    442
    457
    439.5
    493
    509
    518
    525
    534
    546
    551
    575
    573
    592
    EFF. TT
    476
    505
    515
    528
    540
    545
    550
    560
    565
    570
    575
    580
    595
    TT ANGLE
    10.3
    9
    8.5
    8
    7.5
    7.5
    7
    7
    6.5
    6.5
    6.5
    6
    6
    HT LENGTH
    101
    104
    114
    134
    144
    154
    154
    164
    174
    179
    204
    199
    219

    STACK

    505.5
    510.6
    520
    540.8
    550.8
    560.4
    563.3
    572.9
    580.5
    586.1
    609.2
    603.3
    622.5

    REACH

    335
    357.5
    364.8
    367.1
    371.6
    373.7
    377.9
    385
    387.6
    391
    388.9
    395.8
    399.2
    FORK RAKE
    50
    50
    50
    50
    50
    50
    43
    43
    43
    43
    43
    43
    43
    FORK C.t.A.
    371
    371
    371
    371
    371
    371
    371
    371
    371
    371
    371
    371
    371
  • 505
    515
    530
    545
    560
    575
    590
    605
    HTA
    68
    68.5
    68.5
    68.5
    68.5
    68.5
    68.5
    68.5
    STA
    74
    74
    74
    73.5
    73
    73
    73
    73
    CHAINSTAY
    415
    415
    415
    415
    415
    415
    415
    415
    BB DROP
    77
    77
    77
    75
    75
    75
    73
    73
    ST LENGTH
    451
    477
    477
    493
    502
    509
    548
    570
    EFF. TT
    505
    515
    530
    545
    560
    575
    590
    605
    TT ANGLE
    10.5
    8.5
    10
    10
    10
    10
    9
    9
    HT LENGTH
    100
    110
    130
    150
    160
    170
    205
    230
    STACK
    515
    527
    546
    562
    571
    581
    611
    635
    REACH
    357
    364
    374
    379
    385
    397
    403
    411
    FORK RAKE
    57
    57
    57
    57
    57
    57
    57
    57
    FORK C.t.A.
    395
    395
    395
    395
    395
    395
    395
    395
    TRAIL
    77.7
    74.4
    74.4
    74.4
    74.4
    74.4
    74.4
    74.4

MAKING ONLY A FEW, SO YOU CAN HAVE MORE

Configure your paint.

Choose your build kit.

Champion your ride.

Argonaut RM3 full profile — custom carbon road bike build

For every road you desire. Straights to narrows, steeps to descents. 

Argonaut custom carbon road bike in ruby red finish, handmade in USA
Argonaut RM3 detail shot, custom carbon road bike geometry and finish

"I could sum it up by saying it’s probably like owning your first Porsche having driven a top of the range Audi for years"

Dean O.

"It is surprisingly smooth and quiet for a full carbon bike. It’s very efficient. It is extremely planted at speed. It wants to be ridden quickly"

From London

"I love how it looks. It has a very different personality to any of my other bikes and the paintwork is exquisite!"

CycleFit

FOREVER RIDING

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