2023 hosking HR4 Base 51

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
523mm
Reach
379mm
Stack to Reach Ratio
1.38:1
Seat Tube Length, C-T
473mm
Seat Tube Length, C-C
453mm
Top Tube Length, Effective/Horizontal Center
530mm
Top Tube Slope
7.6deg
Head Tube Angle
72.1deg
Seat Tube Angle
74.4deg
Head Tube Length
107.5mm
Bottom Bracket Drop
70mm
Bottom Bracket Height
273mm
Chainstay Length
408mm
Chainstay Length Horizontal
402mm
Front-Center
579mm
Front-Center Horizontal
575.1mm
Wheelbase
977mm
Fork Offset/Rake
47.3mm
Fork Length (Axle-To-Crown)
373.5mm
Trail
61.1mm
mid/​neutral
Mechanical Trail
58.1mm
Wheel Flop
17.9mm
Standover Height
743mm
Tire to Pedal Spindle Distance
With 170 mm cranks
66mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
103mm

Base Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
32mm
Tire Outer Diameter
686mm
Bike Length with Tires
1663mm
Crank Length
170mm
Handlebar Width
380mm
Stem Length
90mm
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