2021 Specialized Tarmac SL7 World Championship LTD vs 2020 Specialized Tarmac Disc Sagan Collection Mirror LTD
The 54 is the Specialized Tarmac Disc Sagan Collection Mirror LTD size closest to your 56 Specialized Tarmac SL7 World Championship LTD. We match frame stack and reach. This is a geometry comparison, not a fit recommendation; stem, spacers, handlebars and saddle setup also affect your riding position.
What changes on the Specialized Tarmac Disc Sagan Collection Mirror LTD
Compared with the Specialized Tarmac SL7 World Championship LTD in 56, the Specialized Tarmac Disc Sagan Collection Mirror LTD in 54 places the top of the head tube 8 mm lower and 3 mm further forward, relative to the bottom bracket.
- Frame stack
- −8 mm
- Lower front end
- Frame reach
- +3 mm
- Longer frame reach
- Wheelbase
- ±0 mm
- About the same
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- ±0 mm
- About the same
The two frames
Specialized Tarmac SL7 World Championship LTD, 56Specialized Tarmac Disc Sagan Collection Mirror LTD, 54Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Tarmac SL7 World Championship LTD 56 | Specialized Tarmac Disc Sagan Collection Mirror LTD 54 | Difference |
|---|---|---|---|
| Reach | 381mm | 384mm | +3 mm |
| Stack | 552mm | 544mm | −8 mm |
| Head tube angle | 73° | 73° | ±0.0° |
| Seat tube angle | 74° | 74° | ±0.0° |
| Chainstay length | 410mm | 410mm | ±0 mm |
| Wheelbase | 978mm | 978mm | ±0 mm |
| BB drop | 72mm | 72mm | ±0 mm |
| BB height | 268mm | 268mm | ±0 mm |
| Standover | 768mm | 775mm | +7 mm |
| Seat tube length | 475mm | 481mm | +6 mm |
| Fork length | 366mm | 363mm | −3 mm |
| Head tube length | 131mm | 143mm | +12 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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