2023 Radon Bikes Spire Disc 8-10 54

Build

700C/29 in × 28 mm

Insights

Average stack and reach vs trend of endurance road bikes
Design deviates from other sizes of Radon Bikes Spire

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
540mm
Reach
378mm
Stack to Reach Ratio
1.43:1
Seat Tube Length, C-T
500mm
Top Tube Length, Effective/Horizontal HT Top
530mm
Top Tube Slope
6.5deg
Head Tube Angle
72.3deg
Seat Tube Angle
74.25deg
Head Tube Length
140mm
Bottom Bracket Drop
73mm
Bottom Bracket Height
266mm
Chainstay Length
408mm
Chainstay Length Horizontal
401.4mm
Front-Center
579.2mm
Front-Center Horizontal
574.6mm
Wheelbase
976mm
Fork Offset/Rake
45.3mm
Trail
60.6mm
mid/​neutral
Mechanical Trail
57.8mm
Wheel Flop
17.6mm
Standover Height
749.4mm
Tire to Pedal Spindle Distance
With 172.2 mm cranks
68mm
Pedal Spindle to Ground Clearance
With 172.2 mm cranks
93.8mm

Disc 8-10 Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
28mm
Tire Outer Diameter
678mm
Bike Length with Tires
1654mm
Crank Length
172.2mm
Handlebar Width
420mm
Stem Length
100mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Drop Bar
Frame Material
Carbon/Composite
Fork Material
Carbon/Composite
Brake Type
Disc

Published Sizing Recommendations

Height
172 cm
to
178 cm
Source:https://www.radon-bikes.de/it/roadbike/carbon/spire-disc-carbon/spire-disc-100-2023/