2020 Specialized Tarmac SL6 Disc Comp vs 2020 Specialized Tarmac Disc Sagan Collection Mirror LTD
The Specialized Tarmac Disc Sagan Collection Mirror LTD size closest to your 54 is the 54. Compare the 54 instead
What changes on the Specialized Tarmac Disc Sagan Collection Mirror LTD
Compared with the Specialized Tarmac SL6 Disc Comp in 54, the Specialized Tarmac Disc Sagan Collection Mirror LTD in 58 places the top of the head tube 47 mm higher and 18 mm further forward, relative to the bottom bracket. Its wheelbase is 27 mm longer, which can contribute to stability at speed.
- Frame stack
- +47 mm
- Higher front end
- Frame reach
- +18 mm
- Longer frame reach
- Wheelbase
- +27 mm
- Longer: steadier at speed
- Head angle
- +0.5°
- Steeper: sharper steering
- Chainstays
- ±0 mm
- About the same
The two frames
Specialized Tarmac SL6 Disc Comp, 54Specialized Tarmac Disc Sagan Collection Mirror LTD, 58Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Tarmac SL6 Disc Comp 54 | Specialized Tarmac Disc Sagan Collection Mirror LTD 58 | Difference |
|---|---|---|---|
| Reach | 384mm | 402mm | +18 mm |
| Stack | 544mm | 591mm | +47 mm |
| Head tube angle | 73° | 73.5° | +0.5° |
| Seat tube angle | 74° | 73.5° | −0.5° |
| Chainstay length | 410mm | 410mm | ±0 mm |
| Wheelbase | 978mm | 1005mm | +27 mm |
| BB drop | 72mm | 72mm | ±0 mm |
| BB height | 268mm | 268mm | ±0 mm |
| Standover | 775mm | 826mm | +51 mm |
| Seat tube length | 499mm | 522mm | +23 mm |
| Fork length | 363mm | 363mm | ±0 mm |
| Head tube length | 143mm | 190mm | +47 mm |
Differences are the Specialized Tarmac Disc Sagan Collection Mirror LTD minus the Specialized Tarmac SL6 Disc Comp. Full charts: 2020 Specialized Tarmac SL6 Disc Comp, 2020 Specialized Tarmac Disc Sagan Collection Mirror LTD.
Where each sits in its class
Specialized Tarmac SL6 Disc CompSpecialized Tarmac Disc Sagan Collection Mirror LTD
Each bike is ranked against the other road bikes on Quiver, on frame geometry alone. Not your hand position or ride feel.
What each ships with
The stock build of each bike's first listed trim. Parts that match are dimmed.
| Part | Specialized Tarmac SL6 Disc CompDisc Comp | Specialized Tarmac Disc Sagan Collection Mirror LTDS-Works Disc Sagan Collection Mirror LTD |
|---|---|---|
| Frame | Specialized Tarmac SL6 | not listed |
| Shifter | Shimano Ultegra, Shimano Ultegra Di2 | Specialized WAN FENG |
| Derailleur | Shimano Ultegra R8000, Shimano Ultegra R8050 Di2 | not listed |
| Cassette | Shimano Ultegra R8000 | not listed |
| Chain | Shimano Ultegra | not listed |
| Crankset | Shimano Ultegra R8000 | not listed |
| Wheelset | DT Swiss R470 | not listed |
| Tire | Specialized Turbo Pro | not listed |
| Brake | Shimano 105 | not listed |
| Saddle | Specialized Power Sport | not listed |
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