2019 Specialized Bicycles Tarmac Disc 61
Build
700C/29 in × 25 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 | 612mm |
| Reach | 408mm |
| Stack to Reach Ratio | 1.5:1 |
| Seat Tube Length, C-T | 553mm |
| Top Tube Length, Effective/Horizontal Center | 595mm |
| Top Tube Slope | 8.3deg |
| Head Tube Angle | 74deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 210mm |
| Bottom Bracket Drop | 72mm |
| Bottom Bracket Height | 264mm |
| Chainstay Length | 410mm |
| Chainstay Length Horizontal | 403.6mm |
| Front-Center | 613mm |
| Front-Center Horizontal | 608.4mm |
| Wheelbase | 1012mm |
| Fork Offset/Rake | 44mm |
| Fork Length (Axle-To-Crown) | 363mm |
| Trail | 50.6mm mid/neutral |
| Mechanical Trail | 48.6mm |
| Wheel Flop | 13.4mm |
| Standover Height | 850mm |
| Tire to Pedal Spindle Distance With 175 mm cranks | 102mm |
| Pedal Spindle to Ground Clearance With 175 mm cranks | 89mm |
Disc Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 25mm |
| Tire Outer Diameter | 672mm |
| Bike Length with Tires | 1684mm |
| Crank Length | 175mm |
| Handlebar Width | 440mm |
| Stem Length | 110mm |
| 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?color=240919-134480