2021 Specialized Tarmac SL7 World Championship LTD vs 2020 Specialized Tarmac Disc Sagan Collection Mirror LTD
The Specialized Tarmac Disc Sagan Collection Mirror LTD size closest to your 54 is the 52. Compare the 52 instead
What changes on the Specialized Tarmac Disc Sagan Collection Mirror LTD
Compared with the Specialized Tarmac SL7 World Championship LTD in 54, the Specialized Tarmac Disc Sagan Collection Mirror LTD in 58 places the top of the head tube 56 mm higher and 25 mm further forward, relative to the bottom bracket. Its wheelbase is 30 mm longer, which can contribute to stability at speed.
- Frame stack
- +56 mm
- Higher front end
- Frame reach
- +25 mm
- Longer frame reach
- Wheelbase
- +30 mm
- Longer: steadier at speed
- Head angle
- +1.0°
- Steeper: sharper steering
- Chainstays
- ±0 mm
- About the same
The two frames
Specialized Tarmac SL7 World Championship LTD, 54Specialized Tarmac Disc Sagan Collection Mirror LTD, 58Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Tarmac SL7 World Championship LTD 54 | Specialized Tarmac Disc Sagan Collection Mirror LTD 58 | Difference |
|---|---|---|---|
| Reach | 377mm | 402mm | +25 mm |
| Stack | 535mm | 591mm | +56 mm |
| Head tube angle | 72.5° | 73.5° | +1.0° |
| Seat tube angle | 74° | 73.5° | −0.5° |
| Chainstay length | 410mm | 410mm | ±0 mm |
| Wheelbase | 975mm | 1005mm | +30 mm |
| BB drop | 74mm | 72mm | −2 mm |
| BB height | 266mm | 268mm | +2 mm |
| Standover | 746mm | 826mm | +80 mm |
| Seat tube length | 458mm | 522mm | +64 mm |
| Fork length | 366mm | 363mm | −3 mm |
| Head tube length | 113mm | 190mm | +77 mm |
Differences are the Specialized Tarmac Disc Sagan Collection Mirror LTD minus the Specialized Tarmac SL7 World Championship LTD. Full charts: 2021 Specialized Tarmac SL7 World Championship LTD, 2020 Specialized Tarmac Disc Sagan Collection Mirror LTD.
Where each sits in its class
Specialized Tarmac SL7 World Championship LTDSpecialized 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 SL7 World Championship LTDS-Works 2021 World Championship LTD | Specialized Tarmac Disc Sagan Collection Mirror LTDS-Works Disc Sagan Collection Mirror LTD |
|---|---|---|
| Frame | Specialized S-Works Tarmac SL7 FACT | not listed |
| Stem | Specialized Tarmac | not listed |
| Shifter | not listed | Specialized WAN FENG |
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