2019 Specialized Bicycles Tarmac Base
- Category
- Performance Road
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Carbon/Composite
- Fork
- Carbon/Composite
- Features
- Disc brake
Geometry
44 | 49 | 52 | 54 | 56 | 58 | 61 | |
Stack | 500mm | 514mm | 527mm | 544mm | 565mm | 591mm | 612mm |
Reach | 365mm | 375mm | 380mm | 384mm | 395mm | 402mm | 408mm |
Stack to Reach Ratio | 1.37:1 | 1.37:1 | 1.39:1 | 1.42:1 | 1.43:1 | 1.47:1 | 1.5:1 |
Seat Tube Length, Unknown | 400mm | 431mm | 462mm | 481mm | 501mm | 522mm | 553mm |
Top Tube Length, Effective/Horizontal Center | 490mm | 508mm | 531mm | 540mm | 562mm | 577mm | 595mm |
Top Tube Slope | 13.6deg | 11.3deg | 9.3deg | 9deg | 9deg | 9.3deg | 8.3deg |
Head Tube Angle | 70.5deg | 71.75deg | 72.5deg | 73deg | 73.5deg | 73.5deg | 74deg |
Seat Tube Angle | 76deg | 75.5deg | 74deg | 74deg | 73.5deg | 73.5deg | 73deg |
Head Tube Length | 105mm | 115mm | 126mm | 143mm | 163mm | 190mm | 210mm |
Bottom Bracket Drop | 74mm | 74mm | 74mm | 72mm | 72mm | 72mm | 72mm |
Bottom Bracket Height | 262mm | 262mm | 262mm | 264mm | 264mm | 264mm | 264mm |
Chainstay Length | 410mm | 410mm | 410mm | 410mm | 410mm | 410mm | 410mm |
Chainstay Length Horizontal | 403.3mm | 403.3mm | 403.3mm | 403.6mm | 403.6mm | 403.6mm | 403.6mm |
Front-Center | 571mm | 574mm | 577mm | 579mm | 591mm | 606mm | 613mm |
Front-Center Horizontal | 565.7mm | 569.7mm | 571.7mm | 574.4mm | 586.4mm | 601.4mm | 608.4mm |
Wheelbase | 969mm | 973mm | 975mm | 978mm | 990mm | 1005mm | 1012mm |
Fork Offset/Rake | 47mm | 47.2mm | 46.6mm | 44.1mm | 43.5mm | 43.8mm | 43.8mm |
Fork Length, Unknown | 363mm | 363mm | 363mm | 363mm | 363mm | 363mm | 363mm |
Trail | 69.1mm high | 61.2mm mid/neutral | 57mm mid/neutral | 56.7mm mid/neutral | 54.2mm mid/neutral | 53.9mm mid/neutral | 50.8mm mid/neutral |
Mechanical Trail | 65.1mm | 58.1mm | 54.4mm | 54.2mm | 52mm | 51.7mm | 48.9mm |
Wheel Flop | 21.7mm | 18.2mm | 16.4mm | 15.8mm | 14.8mm | 14.7mm | 13.5mm |
Standover Height | 730mm | 740mm | 755mm | 775mm | 795mm | 826mm | 850mm |
Tire to Pedal Spindle | 65mm 170 mm cranks | 68mm 170 mm cranks | 71mm 170 mm cranks | 73mm 170 mm cranks | 85mm 170 mm cranks | 100mm 170 mm cranks | 107mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 92mm 170 mm cranks | 92mm 170 mm cranks | 92mm 170 mm cranks | 94mm 170 mm cranks | 94mm 170 mm cranks | 94mm 170 mm cranks | 94mm 170 mm cranks |
Base Build
44 | 49 | 52 | 54 | 56 | 58 | 61 | |
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 25mm | 25mm | 25mm | 25mm | 25mm | 25mm | 25mm |
Tire Outer Diameter | 672mm | 672mm | 672mm | 672mm | 672mm | 672mm | 672mm |
Bike Length with Tires | 1641mm | 1645mm | 1647mm | 1650mm | 1662mm | 1677mm | 1684mm |
Stack and Reach vs. Category Trend
Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive
The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.
Learn more about the Upright/Aggressive ScaleCategory Trend
Performance RoadSource:specialized.com