2020 Specialized Bicycles Tarmac Pro Disc – SRAM ETAP 44
Build
700C/29 in × 26 mm
Insights
Average stack and reach vs trend of performance road bikes
Design deviates from other sizes of Specialized Bicycles Tarmac
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 500mm |
| Reach | 365mm |
| Stack to Reach Ratio | 1.37:1 |
| Seat Tube Length, C-T | 400mm |
| Top Tube Length, Effective/Horizontal HT Top | 490mm |
| Top Tube Slope | 13.6deg |
| Head Tube Angle | 70.5deg |
| Seat Tube Angle | 76deg |
| Head Tube Length | 105mm |
| Bottom Bracket Drop | 74mm |
| Bottom Bracket Height | 263mm |
| Chainstay Length | 410mm |
| Chainstay Length Horizontal | 403.3mm |
| Front-Center | 571mm |
| Front-Center Horizontal | 565.7mm |
| Wheelbase | 969mm |
| Fork Offset/Rake | 47mm |
| Fork Length (On-Axis) | 363mm |
| Trail | 69.5mm high |
| Mechanical Trail | 65.5mm |
| Wheel Flop | 21.9mm |
| Standover Height | 730mm |
| Tire to Pedal Spindle Distance With 165 mm cranks | 69mm |
| Pedal Spindle to Ground Clearance With 165 mm cranks | 98mm |
Pro Disc – SRAM ETAP Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 26mm |
| Tire Outer Diameter | 674mm |
| Bike Length with Tires | 1643mm |
| Crank Length | 165mm |
| Handlebar Width | 360mm |
| Stem Length | 70mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Carbon/Composite |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:https://www.specialized.com/us/en/tarmac-pro-disc-sram-etap/p/171349?color=271669-171349