2020 Specialized Bicycles Tarmac Pro Disc – SRAM ETAP 54
Build
700C/29 in × 26 mm
Insights
Average stack and reach vs trend of performance road bikes
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 544mm |
| Reach | 384mm |
| Stack to Reach Ratio | 1.42:1 |
| Seat Tube Length, C-T | 481mm |
| Top Tube Length, Effective/Horizontal HT Top | 540mm |
| Top Tube Slope | 9deg |
| Head Tube Angle | 73deg |
| Seat Tube Angle | 74deg |
| Head Tube Length | 143mm |
| Bottom Bracket Drop | 72mm |
| Bottom Bracket Height | 265mm |
| Chainstay Length | 410mm |
| Chainstay Length Horizontal | 403.6mm |
| Front-Center | 579mm |
| Front-Center Horizontal | 574.4mm |
| Wheelbase | 978mm |
| Fork Offset/Rake | 44mm |
| Fork Length (On-Axis) | 363mm |
| Trail | 57mm mid/neutral |
| Mechanical Trail | 54.5mm |
| Wheel Flop | 15.9mm |
| Standover Height | 775mm |
| Tire to Pedal Spindle Distance With 172.5 mm cranks | 69.5mm |
| Pedal Spindle to Ground Clearance With 172.5 mm cranks | 92.5mm |
Pro Disc – SRAM ETAP Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 26mm |
| Tire Outer Diameter | 674mm |
| Bike Length with Tires | 1652mm |
| Crank Length | 172.5mm |
| Handlebar Width | 420mm |
| Stem Length | 100mm |
| 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