2023 hosking HR4 Base 54
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 | 545mm |
| Reach | 382mm |
| Stack to Reach Ratio | 1.43:1 |
| Seat Tube Length, C-T | 502.5mm |
| Seat Tube Length, C-C | 485mm |
| Top Tube Length, Effective/Horizontal Center | 543mm |
| Top Tube Slope | 6.9deg |
| Head Tube Angle | 73deg |
| Seat Tube Angle | 73.5deg |
| Head Tube Length | 127mm |
| Bottom Bracket Drop | 70mm |
| Bottom Bracket Height | 273mm |
| Chainstay Length | 410mm |
| Chainstay Length Horizontal | 404mm |
| Front-Center | 580mm |
| Front-Center Horizontal | 576mm |
| Wheelbase | 980mm |
| Fork Offset/Rake | 46.7mm |
| Fork Length (Axle-To-Crown) | 373.5mm |
| Trail | 56.1mm mid/neutral |
| Mechanical Trail | 53.6mm |
| Wheel Flop | 15.7mm |
| Standover Height | 760mm |
| Tire to Pedal Spindle Distance With 172.5 mm cranks | 64.5mm |
| Pedal Spindle to Ground Clearance With 172.5 mm cranks | 100.5mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 32mm |
| Tire Outer Diameter | 686mm |
| Bike Length with Tires | 1666mm |
| Crank Length | 172.5mm |
| Handlebar Width | 400mm |
| Stem Length | 100mm |
| 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