Specialized S-Works Tarmac SL9 - Shimano Dura-Ace Di2
A race-focused road bike from 2027, made in 7 sizes from 44 to 61. Fits tyres up to 32 mm.
Size
Stack 544 mmReach 384 mm
Geometry
| Size | |||||||
|---|---|---|---|---|---|---|---|
| Fit | |||||||
| Stack (mm)How high the front sits | 501 | 514 | 527 | 544 | 565 | 591 | 612 |
| Reach (mm)How far forward the bars start | 366 | 375 | 380 | 384 | 395 | 402 | 408 |
| Stack ÷ reach Higher = more upright | 1.37 | 1.37 | 1.39 | 1.42 | 1.43 | 1.47 | 1.50 |
| Top tube (effective) (mm)Horizontal top-tube length | 496 | 509 | 531 | 540 | 563 | 577 | 595 |
| Seat tube angle Saddle position over the pedals | 75.5° | 75.5° | 74° | 74° | 73.5° | 73.5° | 73° |
| Seat tube length (mm)Frame size reference | 433 | 445 | 456 | 473 | 494 | 515 | 545 |
| Head tube length (mm)Front-end height | 99 | 109 | 120 | 140 | 157 | 184 | 204 |
| Standover (mm)Clearance when you stop | 722 | 734 | 745 | 767 | 785 | 807 | 833 |
| Handling | |||||||
| Head tube angle Steeper = quicker steering | 70.5° | 71.8° | 72.5° | 72.5° | 73.5° | 73.5° | 74° |
| Fork offset (mm)Fork rake | 47 | 47 | 47 | 47 | 44 | 44 | 44 |
| Trail (mm)More = steadier steering | 71 | 63 | 58 | 58 | 55 | 55 | 52 |
| Wheelbase (mm)Longer = more stable | 970 | 973 | 975 | 986 | 991 | 1006 | 1013 |
| Chainstay (mm)Shorter = snappier | 410 | 410 | 410 | 410 | 410 | 410 | 410 |
| BB drop (mm)More = lower centre of gravity | 74 | 74 | 74 | 72 | 72 | 72 | 72 |
| BB height (mm)Pedal clearance in corners | 262 | 262 | 262 | 264 | 264 | 264 | 264 |
| Front centre (mm)Room for your toes | 567 | 570 | 572 | 582 | 587 | 602 | 609 |
Underlined values are calculated by BikeLens. A dash means the brand doesn't publish it.
How it rides
Race-focused
A low, stretched position built for speed. Suits flexible riders who like to ride fast.
Handling, size 54
- Steering
- Neutral58 mm trail
- Wheelbase
- Balanced986 mm
- Chainstays
- Balanced410 mm
- BB drop
- Typical72 mm
Bikes that fit like it
The closest road frames from other ranges, against size 54 here.
| Bike | Size | Stack | Reach |
|---|---|---|---|
| Grind ARC2026Stack −2 mm, reach same | M | −2 mm | same |
| Trek Madone SL 5 Gen 82027Stack +2 mm, reach same | MD | +2 mm | same |
| Merida REACTO TEAM2027Stack −2 mm, reach +6 mm | SM | −2 mm | +6 mm |
| MMR Adrenaline 00 SC452026Stack +2 mm, reach +3 mm | M | +2 mm | +3 mm |
| MMR Aelion 002026Stack +2 mm, reach +3 mm | M | +2 mm | +3 mm |
| Cervelo R52026Stack +1 mm, reach −1 mm | 54 | +1 mm | −1 mm |
Other versions
Same frame, different parts
These builds share this exact geometry, so they fit the same.