2025 Absolute Black Base 56
Build
700C/29 in × 28 mm
Insights
Average stack and reach vs trend of endurance road bikes
Stack and Reach vs. Category Trend
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Geometry
| Stack | 580mm |
| Reach | 380mm |
| Stack to Reach Ratio | 1.53:1 |
| Seat Tube Length, Unknown | 580mm |
| Top Tube Length, Effective/Horizontal Center | 563mm |
| Top Tube Length, Actual C-C | 560mm |
| Top Tube Slope | 1deg |
| Head Tube Angle | 75deg |
| Seat Tube Angle | 72.5deg |
| Head Tube Length | 107mm |
| Bottom Bracket Drop | 70mm |
| Bottom Bracket Height | 269mm |
| Chainstay Length | 415mm |
| Chainstay Length Horizontal | 409.1mm |
| Front-Center | 590mm |
| Front-Center Horizontal | 586mm |
| Wheelbase | 995mm |
| Fork Offset/Rake | 66.9mm |
| Fork Length (Axle-To-Crown) | 385mm |
| Trail | 21.5mm very low |
| Mechanical Trail | 20.8mm |
| Wheel Flop | 5.4mm |
| Standover Height | 840mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 81mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 99mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 28mm |
| Tire Outer Diameter | 678mm |
| Bike Length with Tires | 1673mm |
| Crank Length | 170mm |
| Handlebar Width | 440mm |
| Stem Length | 70mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Steel |
| Fork Material | Carbon/Composite |
| Brake Type | Rim |
Source:Self build