Roubaix SL8 2025
Source: https://www.specialized.com/us/en/s-works-roubaix-sl8-shimano-dura-ace-di2/p/4221817
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Source: https://www.specialized.com/us/en/s-works-roubaix-sl8-shimano-dura-ace-di2/p/4221817
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| Measurement | 44 | 49 | 52 | 54 | 56 | 58 | 61 |
|---|---|---|---|---|---|---|---|
| Frame geometry | |||||||
| Stack | 543 mm | 549 mm | 566 mm | 585 mm | 605 mm | 630 mm | 665 mm |
| Reach | 353 mm | 363 mm | 370 mm | 381 mm | 389 mm | 397 mm | 403 mm |
| Stack / Reach | 1.54 | 1.51 | 1.53 | 1.53 | 1.55 | 1.59 | 1.65 |
| Head tube angle | 69.3° | 70.8° | 71.5° | 72.3° | 73° | 73° | 73.5° |
| Seat tube angle (effective) | 75° | 74° | 74° | 74° | 73.5° | 73.5° | 73.5° |
| Seat tube angle (actual) | — | — | — | — | — | — | — |
| Top tube (effective) | 503 mm | 523 mm | 534 mm | 550 mm | 569 mm | 584 mm | 600 mm |
| Head tube length | 90 mm | 90 mm | 105 mm | 122 mm | 140 mm | 168 mm | 202 mm |
| Seat tube length | 365 mm | 410 mm | 445 mm | 465 mm | 485 mm | 505 mm | 545 mm |
| Bottom bracket drop | 80 mm | 80 mm | 80 mm | 78 mm | 78 mm | 78 mm | 78 mm |
| Bottom bracket height | 269 mm | 269 mm | 269 mm | 270 mm | 270 mm | 271 mm | 271 mm |
| Chainstay | 418 mm | 418 mm | 418 mm | 420 mm | 420 mm | 423 mm | 423 mm |
| Front center | 593 mm | 598 mm | 604 mm | 620 mm | 631 mm | 589 mm | 587 mm |
| Wheelbase | 992 mm | 988 mm | 1005 mm | 1012 mm | 1031 mm | 1042 mm | 994 mm |
| Fork rake (offset) | 52 mm | 52 mm | 52 mm | 47 mm | 47 mm | 47 mm | 47 mm |
| Fork axle to crown | 375 mm | 375 mm | 375 mm | 375 mm | 375 mm | 375 mm | 375 mm |
| Trail | 76 mm | 66 mm | 62 mm | 61 mm | 57 mm | 57 mm | 54 mm |
| Standover | 686 mm | 719 mm | 747 mm | 766 mm | 787 mm | 809 mm | 847 mm |
| Pad / effective stack | — | — | — | — | — | — | — |
| Pad / effective reach | — | — | — | — | — | — | — |
| Cockpit | |||||||
| Grip reach | 481.6 mm | 502.7 mm | 520.2 mm | 541.8 mm | 550.5 mm | 568.3 mm | 574.8 mm |
| Grip stack | 598.2 mm | 605.0 mm | 623.4 mm | 643.4 mm | 662.3 mm | 689.2 mm | 723.4 mm |
| Stem length | 70 mm | 80 mm | 90 mm | 100 mm | 100 mm | 110 mm | 110 mm |
| Spacer height | — | — | — | — | — | — | — |
| Bar reach | 75 mm | 75 mm | 75 mm | 75 mm | 75 mm | 75 mm | 75 mm |
| Bar drop | 123 mm | 123 mm | 123 mm | 123 mm | 123 mm | 123 mm | 123 mm |
| Bar flare | — | — | — | — | — | — | — |
| Handlebar width | 360 mm | 380 mm | 400 mm | 420 mm | 420 mm | 440 mm | 440 mm |
| Components (informational) | |||||||
| Crank length | 165 mm | 165 mm | 170 mm | 172.5 mm | 172.5 mm | 175 mm | 175 mm |
| Saddle width | 155 mm | 155 mm | 155 mm | 143 mm | 143 mm | 143 mm | 143 mm |
| Seatpost length | 380 mm | 380 mm | 380 mm | 380 mm | 380 mm | 450 mm | 450 mm |
| Tire clearance | — | — | — | — | — | — | — |
| Front travel | — | — | — | — | — | — | — |
| Rear travel | — | — | — | — | — | — | — |