Specialized Tarmac SL8
Performance Road View 58 geometry on BikeInsightsStack 591mm · Reach 402mm
Performance Road97%Mondince
Mondince FM126 900g
| 58 → 58 | 97% | Compare |
= Stack, Reach, Head Tube Angle, Seat Tube Angle, Chainstay, BB Drop, Top Tube, TT Slope
≈ Wheelbase, Trail
765 $
Endurance Road96%Trifox
Trifox X16 QR - Rim 875g
| 58 → 58 | 96% | Compare |
= Stack, Reach, Head Tube Angle, Seat Tube Angle, Chainstay, BB Drop, Top Tube
≈ Wheelbase, Trail, TT Slope
559 $
Endurance Road95%TanTan
TanTan TT-X68 878g 32mm
| 58 → 58 | 95% | Compare |
= Stack, Reach, Head Tube Angle, Seat Tube Angle, Chainstay, BB Drop, Top Tube, TT Slope
≈ Wheelbase, Trail
609 $
Performance Road
Endurance Road90%Spcycle
Spcycle R088 780g
| 58 → 58 | 90% | Compare |
= Stack, Reach, Head Tube Angle, Seat Tube Angle, Chainstay, Top Tube, TT Slope
≈ Wheelbase, Trail, BB Drop
523 €
Performance Road
Performance Road90%TanTan
TanTan TT-X70 870g 32mm
| 58 → 580 | 90% | Compare |
= Stack, Reach, Head Tube Angle, Seat Tube Angle, Chainstay, Top Tube, TT Slope
≈ Wheelbase, Trail, BB Drop
429 $
Performance Road90%Bigrock
| 58 → XL 58 | 90% | Compare |
= Reach, Head Tube Angle, Seat Tube Angle, Chainstay, BB Drop, Top Tube
≈ Stack, Wheelbase, Trail, TT Slope
1.089 $
Performance Road90%Bigrock
Bigrock Sohtea 730g
| 58 → XL 58 | 90% | Compare |
= Reach, Head Tube Angle, Seat Tube Angle, Chainstay, BB Drop, Top Tube
≈ Stack, Wheelbase, Trail, TT Slope
1.199 $
Performance Road89%Trifox
TRIFOX X16 (TA = Thru Axle) 971g 28mm
| 58 → 58cm | 89% | Compare |
= Stack, Reach, Head Tube Angle, Seat Tube Angle, Chainstay, BB Drop, Top Tube
≈ Wheelbase, Trail, TT Slope
569 $
Performance Road85%TFSA
TFSA JH-35 700g 30mm
| 58 → 58 | 85% | Compare |
= Reach, Head Tube Angle, Seat Tube Angle, Chainstay, Top Tube
≈ Stack, Wheelbase, Trail, BB Drop, TT Slope
1.092 €
Performance Road80%
OSTRO VAM Full Internal Wiring Carbon Fiber Road Bicycle Frame Assembly Carbon Frame Combination 32mm
| 58 → 58 | 80% | Compare |
= Seat Tube Angle, Wheelbase
≈ Stack, Reach, Head Tube Angle, Chainstay, Trail, BB Drop, TT Slope
Endurance Road79%VeloBuild
VeloBuild VB-R-268 950g 32mm
| 58 → XL 58 | 79% | Compare |
= Head Tube Angle, Seat Tube Angle, Chainstay, Wheelbase, Trail, BB Drop, Top Tube
≈ Stack, Reach, TT Slope
499 $
Performance Road76%Deng Fu
Dengfu FM098 DISC 32mm
| 58 → 58cm | 76% | Compare |
= Head Tube Angle
≈ Stack, Reach, Seat Tube Angle, Chainstay, Wheelbase, Trail, BB Drop, Top Tube, TT Slope
1.399 $
Performance Road75%TanTan
TanTan TT-X67 923g 32mm
| 58 → 58 | 75% | Compare |
= Seat Tube Angle, BB Drop
≈ Stack, Reach, Head Tube Angle, Chainstay, Wheelbase, Trail, Top Tube, TT Slope
539 $
Performance Road74%Trifox
Trifox X18 838g
| 58 → 58 | 74% | Compare |
= Head Tube Angle, Seat Tube Angle, BB Drop, Top Tube
≈ Stack, Reach, Chainstay, Wheelbase, Trail, TT Slope
549 $
Performance Road73%TanTan
TanTan TT-X71 1080g 30mm
| 58 → 58 | 73% | Compare |
= Seat Tube Angle
≈ Stack, Reach, Head Tube Angle, Chainstay, Wheelbase, Trail, BB Drop, Top Tube, TT Slope
499 $
Performance Road72%TFSA
TFSA JH-33 870g 28mm
| 58 → 58 | 72% | Compare |
= Head Tube Angle, Seat Tube Angle, Top Tube
≈ Stack, Reach, Chainstay, Wheelbase, Trail, BB Drop, TT Slope
1.048 $
Performance Road72%Winspace
Winspace M6 (Frameset) 1041g
| 58 → XXL | 72% | Compare |
= Chainstay, BB Drop
≈ Stack, Reach, Head Tube Angle, Seat Tube Angle, Wheelbase, Trail, Top Tube
1.499 $
Performance Road69%Quick Pro
QUICK PRO UR:ONE 685g
| 58 → L (518) | 69% | Compare |
= Head Tube Angle, Seat Tube Angle, BB Drop
≈ Stack, Reach, Chainstay, Wheelbase, Trail, Top Tube
2.799 $
Performance Road68%Elilee
| 58 → XL | 68% | Compare |
= Head Tube Angle, BB Drop
≈ Stack, Reach, Seat Tube Angle, Chainstay, Wheelbase, Trail, Top Tube, TT Slope
1.820 $
Performance Road68%TanTan
TanTan TT-X34 1252g 30mm
| 58 → XL / 58 | 68% | Compare |
= Chainstay, BB Drop
≈ Stack, Reach, Head Tube Angle, Seat Tube Angle, Wheelbase, Trail, Top Tube, TT Slope
499 $
FAQ — Specialized Tarmac SL8 (58)
What are cheap alternatives to the Specialized Tarmac SL8 (58)?
These Chinese-made carbon frames offer similar geometry to the Specialized Tarmac SL8 (58) at a fraction of the price:
- Mondince FM126 (97% geometry match)
- Trifox X16 QR - Rim (96% geometry match)
- TanTan TT-X68 (95% geometry match)
- ICAN FL1 (95% geometry match)
- Spcycle R088 (90% geometry match)
What frames have the most similar geometry to the Specialized Tarmac SL8 (58)?
The Mondince FM126 is the closest match to the Specialized Tarmac SL8 (58) with a 97% geometry similarity score, based on stack, reach, head tube angle, seat tube angle, chainstay length, and wheelbase.
How aggressive or comfortable is the Specialized Tarmac SL8 (58)?
The Specialized Tarmac SL8 (58) has a stack-to-reach ratio of 1.47, which is moderate. This geometry offers a balanced riding position — sporty enough for spirited riding, yet comfortable for longer distances. A versatile choice for most riders.
What type of bike is the Specialized Tarmac SL8 (58)?
The Specialized Tarmac SL8 (58) is classified as a Performance Road bike with a stack-to-reach ratio of 1.47. Its riding character is moderate — a versatile all-rounder balancing speed and comfort. 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.