2023 Radon Bikes Spire Disc 8-10 60

Build

700C/29 in × 28 mm

Insights

Somewhat aggressive 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
579mm
Reach
391mm
Stack to Reach Ratio
1.48:1
Seat Tube Length, C-T
560mm
Top Tube Length, Effective/Horizontal HT Top
565mm
Top Tube Slope
4.4deg
Head Tube Angle
73deg
Seat Tube Angle
73.3deg
Head Tube Length
180mm
Bottom Bracket Drop
71mm
Bottom Bracket Height
268mm
Chainstay Length
408mm
Chainstay Length Horizontal
401.8mm
Front-Center
597.5mm
Front-Center Horizontal
593.2mm
Wheelbase
995mm
Fork Offset/Rake
44.9mm
Trail
56.7mm
mid/​neutral
Mechanical Trail
54.3mm
Wheel Flop
15.9mm
Standover Height
796.8mm
Tire to Pedal Spindle Distance
With 175 mm cranks
83.5mm
Pedal Spindle to Ground Clearance
With 175 mm cranks
93mm

Disc 8-10 Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
28mm
Tire Outer Diameter
678mm
Bike Length with Tires
1673mm
Crank Length
175mm
Handlebar Width
440mm
Stem Length
110mm
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
184 cm
to
190 cm
Source:https://www.radon-bikes.de/it/roadbike/carbon/spire-disc-carbon/spire-disc-100-2023/