Specialized Aethos
Performance Road View 49 geometry on BikeInsightsStack 522mm · Reach 373mm
Performance Road76%TanTan
TanTan TT-X70 870g 32mm
| 49 → 490 | 76% | Compare |
= Seat Tube Angle, Chainstay, Top Tube
≈ Stack, Reach, Head Tube Angle, Wheelbase, Trail, BB Drop, TT Slope
$429
Endurance Road76%Spcycle
Spcycle R088 780g
| 49 → 49 | 76% | Compare |
= Seat Tube Angle, Chainstay, Top Tube
≈ Stack, Reach, Head Tube Angle, Wheelbase, Trail, BB Drop, TT Slope
€523
Endurance Road76%TanTan
TanTan TT-X68 878g 32mm
| 49 → 49 | 76% | Compare |
= Seat Tube Angle, Chainstay, Top Tube
≈ Stack, Reach, Head Tube Angle, Wheelbase, Trail, BB Drop, TT Slope
$609
Performance Road76%Trifox
TRIFOX X16 (TA = Thru Axle) 971g 28mm
| 49 → 49cm | 76% | Compare |
= Seat Tube Angle, Chainstay, Top Tube
≈ Stack, Reach, Head Tube Angle, Wheelbase, Trail, BB Drop, TT Slope
$569
Endurance Road75%Trifox
Trifox X16 QR - Rim 875g
| 49 → 49cm | 75% | Compare |
= Seat Tube Angle, Chainstay, Trail, Top Tube
≈ Stack, Reach, Head Tube Angle, Wheelbase, BB Drop, TT Slope
$559
Endurance Road74%ONIRII
| 49 → 47 | 74% | Compare |
= Seat Tube Angle, Chainstay, Top Tube
≈ Stack, Reach, Head Tube Angle, Wheelbase, Trail, BB Drop, TT Slope
$1,519
Performance Road74%Bigrock
| 49 → XS 49 | 74% | Compare |
= Seat Tube Angle, Chainstay, Top Tube
≈ Stack, Reach, Head Tube Angle, Wheelbase, Trail, BB Drop, TT Slope
$1,089
Performance Road74%Bigrock
Bigrock Sohtea 730g
| 49 → XS 49 | 74% | Compare |
= Seat Tube Angle, Chainstay, Top Tube
≈ Stack, Reach, Head Tube Angle, Wheelbase, Trail, BB Drop, TT Slope
$1,199
Performance Road
Performance Road72%Quick Pro
QUICK PRO UR:ONE 685g
| 49 → XS (446) | 72% | Compare |
≈ Stack, Reach, Head Tube Angle, Seat Tube Angle, Chainstay, Wheelbase, Trail, BB Drop, Top Tube
$2,799
Performance Road72%Winspace
Winspace M6 (Frameset) 1041g
| 49 → S | 72% | Compare |
= Chainstay
≈ Stack, Reach, Head Tube Angle, Seat Tube Angle, Wheelbase, Trail, BB Drop, Top Tube
$1,499
Performance Road70%Mondince
Mondince FM126 900g
| 49 → 49 | 70% | Compare |
= Seat Tube Angle, Chainstay, Top Tube
≈ Stack, Reach, Head Tube Angle, Wheelbase, Trail, BB Drop, TT Slope
$765
Performance Road69%Seka
SEKA Spear 685g
| 49 → S | 69% | Compare |
= Chainstay, Trail
≈ Stack, Reach, Head Tube Angle, Seat Tube Angle, Wheelbase, BB Drop, Top Tube, TT Slope
$2,201
Endurance Road67%Winspace
Winspace C5 Aero 900g
| 49 → S | 67% | Compare |
≈ Stack, Reach, Head Tube Angle, Seat Tube Angle, Chainstay, Wheelbase, Trail, BB Drop, TT Slope
$1,480
Performance Road
Performance Road64%Tavelo
| 49 → 450 | 64% | Compare |
= Stack, Reach, Chainstay
≈ Head Tube Angle, Seat Tube Angle, Wheelbase, Trail, BB Drop, Top Tube, TT Slope
Endurance Road63%LightCarbon
Lightcarbon LCR018-D 1004g
| 49 → XXS(470) | 63% | Compare |
≈ Stack, Reach, Head Tube Angle, Seat Tube Angle, Chainstay, Wheelbase, Trail, BB Drop, Top Tube, TT Slope
$650 - $800
Performance Road63%Incolor
INCOLOR SR "Speedster Intropy" 785g 38mm
| 49 → 48–XS | 63% | Compare |
= Wheelbase
≈ Stack, Reach, Head Tube Angle, Seat Tube Angle, Chainstay, Trail, BB Drop, Top Tube, TT Slope
$2,499 - $3,499
Performance Road63%TRIGON
TRIGON AR01 2023g 32mm
| 49 → 49(S) | 63% | Compare |
= TT Slope
≈ Stack, Reach, Head Tube Angle, Seat Tube Angle, Chainstay, Wheelbase, Trail, BB Drop, Top Tube
$4,350
Performance Road62%Winspace
Winspace SLC5.0 852g
| 49 → S | 62% | Compare |
≈ Stack, Reach, Head Tube Angle, Seat Tube Angle, Chainstay, Wheelbase, Trail, BB Drop, TT Slope
$2,800
Performance Road60%OG-EVKIN
OG-EVKIN CF-025 870g 28mm
| 49 → XS | 60% | Compare |
= Chainstay, TT Slope
≈ Stack, Reach, Head Tube Angle, Seat Tube Angle, Wheelbase, Trail, BB Drop, Top Tube
$699
Performance Road59%Incolor
| 49 → 51-S | 59% | Compare |
≈ Stack, Reach, Head Tube Angle, Seat Tube Angle, Chainstay, Wheelbase, Trail, BB Drop, Top Tube
$4,399 - $5,299
Endurance Road59%Elves
ELVES Avari Pro 990g 30mm
| 49 → 43 | 59% | Compare |
= Chainstay
≈ Stack, Reach, Head Tube Angle, Seat Tube Angle, BB Drop, Top Tube
≠ TT Slope
€898
Performance Road59%TFSA
TFSA JH-35 700g 30mm
| 49 → 49 | 59% | Compare |
= Seat Tube Angle, Chainstay
≈ Stack, Reach, Head Tube Angle, Wheelbase, Trail, BB Drop, Top Tube, TT Slope
€1,092
FAQ — Specialized Aethos (49)
What are cheap alternatives to the Specialized Aethos (49)?
These Chinese-made carbon frames offer similar geometry to the Specialized Aethos (49) at a fraction of the price:
- TanTan TT-X70 (76% geometry match)
- Spcycle R088 (76% geometry match)
- TanTan TT-X68 (76% geometry match)
- TRIFOX X16 (TA = Thru Axle) (76% geometry match)
- Trifox X16 QR - Rim (75% geometry match)
What frames have the most similar geometry to the Specialized Aethos (49)?
The TanTan TT-X70 is the closest match to the Specialized Aethos (49) with a 76% geometry similarity score, based on stack, reach, head tube angle, seat tube angle, chainstay length, and wheelbase.
How aggressive or comfortable is the Specialized Aethos (49)?
The Specialized Aethos (49) has a stack-to-reach ratio of 1.4, which is aggressive. This is a race-oriented position that balances aerodynamics with reasonable comfort for long efforts. Typical for high-performance road and aero frames.
What type of bike is the Specialized Aethos (49)?
The Specialized Aethos (49) is classified as a Performance Road bike with a stack-to-reach ratio of 1.4. Its riding character is aggressive — performance-focused with a race-ready position. The geometry determines how the bike handles and how the rider is positioned — frames with similar numbers will feel similar on the road, regardless of brand.