2023 hosking HR4 Base 57
Build
700C/29 in × 32 mm
Insights
Average stack and reach vs trend of performance road bikes
Design deviates from other sizes of hosking HR4
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 561mm |
| Reach | 391mm |
| Stack to Reach Ratio | 1.43:1 |
| Seat Tube Length, C-T | 535mm |
| Top Tube Length, Effective/Horizontal Center | 565mm |
| Top Tube Slope | 5.1deg |
| Head Tube Angle | 74deg |
| Seat Tube Angle | 73.5deg |
| Head Tube Length | 140mm |
| Bottom Bracket Drop | 70mm |
| Bottom Bracket Height | 273mm |
| Chainstay Length | 410mm |
| Chainstay Length Horizontal | 404mm |
| Front-Center | 595mm |
| Front-Center Horizontal | 579mm |
| Wheelbase | 983mm |
| Fork Offset/Rake | 45.4mm |
| Fork Length (Axle-To-Crown) | 373.5mm |
| Trail | 51.1mm mid/neutral |
| Mechanical Trail | 49.2mm |
| Wheel Flop | 13.6mm |
| Standover Height | 790mm |
| Tire to Pedal Spindle Distance With 175 mm cranks | 77mm |
| Pedal Spindle to Ground Clearance With 175 mm cranks | 98mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 32mm |
| Tire Outer Diameter | 686mm |
| Bike Length with Tires | 1669mm |
| Crank Length | 175mm |
| Handlebar Width | 420mm |
| Stem Length | 110mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Aluminum |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:https://hoskingbikes.com/products/road-hr4-axs