2025 Specialized Tarmac SL8 LTD Bull TdF vs 2025 Colnago Y1Rs
The S is the Colnago Y1Rs size closest to your 52 Specialized Tarmac SL8 LTD Bull TdF. 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 Colnago Y1Rs
Compared with the Specialized Tarmac SL8 LTD Bull TdF in 52, the Colnago Y1Rs in S places the top of the head tube 7 mm lower and 3 mm further back, relative to the bottom bracket.
- Frame stack
- −7 mm
- Lower front end
- Frame reach
- −3 mm
- Shorter frame reach
- Wheelbase
- n/a
- One of the bikes has no number for this
- Head angle
- −0.6°
- Slacker: calmer steering
- Chainstays
- −2 mm
- About the same
The two frames
Only the Specialized Tarmac SL8 LTD Bull TdF is drawn. The Colnago Y1Rs numbers we have for size S are missing the wheelbase.
Geometry side by side
| Measurement | Specialized Tarmac SL8 LTD Bull TdF 52 | Colnago Y1Rs S | Difference |
|---|---|---|---|
| Reach | 380mm | 377 | −3 mm |
| Stack | 527mm | 520 | −7 mm |
| Head tube angle | 72.5° | 71.9 | −0.6° |
| Seat tube angle | 74° | 74.5 | +0.5° |
| Chainstay length | 410mm | 408 | −2 mm |
| Wheelbase | 975mm | not listed | |
| BB drop | 74mm | 74 | ±0 mm |
| BB height | 266mm | not listed | |
| Standover | 746mm | not listed | |
| Seat tube length | 456mm | not listed | |
| Fork length | 370mm | 376.5 | +7 mm |
| Head tube length | 120mm | 108.5 | −12 mm |
Differences are the Colnago Y1Rs minus the Specialized Tarmac SL8 LTD Bull TdF. Full charts: 2025 Specialized Tarmac SL8 LTD Bull TdF, 2025 Colnago Y1Rs.
Where each sits in its class
Specialized Tarmac SL8 LTD Bull TdFColnago Y1Rs
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 SL8 LTD Bull TdFS-Works LTD Red Bull 2025 TdF | Colnago Y1RsY1RS |
|---|---|---|
| Frame | Specialized S-Works Tarmac SL8 FACT | Colnago Y1Rs |
| Shifter | SRAM RED AXS | Shimano Dura-Ace R9200 |
| Derailleur | SRAM RED AXS E1, SRAM RED E1 | Shimano Dura-Ace R9200 Di2 |
| Cassette | SRAM RED XG-1290 E1 | not listed |
| Chain | SRAM Red | Shimano XTR M9200 |
| Crankset | SRAM RED AXS Power Meter | Shimano Dura-Ace R9200 |
| Bottom bracket | SRAM DUB | not listed |
| Wheelset | Roval Rapide CLX | Vision SC45 |
| Tire | Specialized S-Works Turbo TLR | Pirelli P Zero Race |
| Brake | Specialized override | Shimano Dura-Ace R9200 |
| Handlebar | Roval Rapide Cockpit | not listed |
| Saddle | Specialized S-Works Power | Prologo Scratch M5 |
| Stem | not listed | Colnago YY.01 |
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