2023 Radon

SPIRE DISC 10.0

A carbon frame gravel bike with high-end components and hydraulic disc brakes.
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Manufacturer Price

€2,999($3,295)€3,599
Weight16.9 lbs  
FrameCarbon
SuspensionRigid
ForkCarbon
Wheels700c Aluminum
Drivetrain2 × 12 Electronic
GroupsetUltegra Di2
BrakesHydraulic Disc
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Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

39 mph

SPIRE DISC 10.0

36 mph

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Highest gear

(descending)

Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

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Specs
Build
Frame

SPIRE DISC; Material: Carbon, Max. width tire: 28mm, Hanger: Road X12 Standard (#3200)

BB StandardBSA, 68mm, Threaded

ColorDarkishpetrol / Metallicsilver

Fork

RADON SPIRE DISC Full Carbon

Bottom Bracket

BSA, 68mm, threaded

Headset

VP, IS42/IS52

Stem

Newmen Evolution 318.4, Ø31.8mm; 48cm: 90mm, 51cm: 100mm, 54cm: 100mm, 57cm: 100mm, 60cm: 110mm, 63cm: 120mm

Handlebar

Newmen Advanced Carbon Wing Bar, Ø31.8mm; 48cm: 400mm, 51cm: 400mm, 54cm: 420mm, 57cm: 420mm, 60cm: 440mm, 63cm: 460mm

Saddle

Fizik Antares R7

Seatpost

Newmen Advanced Carbon, 27.2 x 350mm

TypeRigid

Pedals

not included

Grips

RADON performance tape

Groupset
Rear Derailleur

Shimano ULTEGRA Di2 RD-R8150, 12-speed

Front Derailleur

Shimano ULTEGRA Di2 FD-R8150, braze-on

Crank

Shimano ULTEGRA FC-R8100, 50/34T; 48cm: 170mm, 51cm: 172,5mm, 54cm: 172,5mm, 57cm: 172,5mm, 60cm: 175mm, 63cm: 175mm

Shifters

Shimano ULTEGRA Di2 ST-R8170, 2x12

Cassette

Shimano ULTEGRA CS-R8100, 11-34

Chain

Shimano ULTEGRA CN-M8100

Brakes

Shimano ULTEGRA BR-R8170, flat mount

TypeHydraulic Disc

Wheels
Rims

Newmen Evolution SL R.32, 100/142mm; Rim height: 32mm, Inner width: 19mm

Tires

Continental Grand Prix 5000, 28" x 28mm

Rider Notes
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Last updated May 13