bike family
Tarmac SL8
Browse Tarmac SL8 bike releases and source-backed geometry measurements.
Specialized › Tarmac SL8
Generations and models
Bike releases
1 model
Tarmac SL8
2025 · global
Sizes: 54, 44, 52, 56, 58, 61, 49
View geometry →Coverage and geometry ranges
Eligible coverage spans 2025–2025 across 1 published releases.
Recorded ranges
- actualTrail: 51.4–70.2
- agilityIndex: 81.61–88.94
- bbDrop0: 72–74
- bbHeight: 265 mm–267 mm
- bikeSize: 44–61
- csLength0: 410
- effectiveTopTube: 496 mm–595 mm
- engineUsedFrontTireSize: 28
- forkLength: 370 mm
- forkMaxTireClearance: 32
- forkOffset: 44 mm–47 mm
- forkTravel: 0
- frontCenter: 572.2 mm–612.8 mm
- frontCenterRef: 572–613
- handlingIndex: 71–94
- headTubeAngle: 70.5 °–74 °
- headTubeLength: 99 mm–204 mm
- manufacturerTrail: 52–71
- maxRearTireSize: 32
- mechanicalTrail: 49.4–66.2
- reach: 366.6 mm–408 mm
- reachRef: 366–408
- rearCenter: 403.3 mm–403.6 mm
- rimDiameter: 622
- seatTubeAngle: 73 °–75.5 °
- seatTubeC2T: 433 mm–545 mm
- seatTubeSetback: 108.4–159.3
- specificationTireMm: 28
- stabilityIndex: 41.79–45.49
- stack: 500.4 mm–611.6 mm
- stackRef: 501–612
- standoverHeight: 698.2 mm–807.1 mm
- standoverRef: 723–834
- wheelbase: 970.7 mm–1012.1 mm
- wheelbaseRef: 970–1013
- wheelFlop: 13.6 mm–22.1 mm
At a glance
- competitor Slug
- specialized-tarmac-sl8-2025
- competitor Model Id
- 5a816cd3-241f-4f13-a35d-fecd4f0b120f