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2026 Radon

SPIRE 10.0

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

€4,499($5,235)
Weight16.0 lbs  
FrameCarbon
ForkCarbon
Wheels700c Carbon
Drivetrain2 × 12 Electronic
GroupsetForce, Force eTap
Power MeterForce AXS
BrakesSRAM Force Hydraulic Disc
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Insights
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)

41 mph

SPIRE 10.0

39 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; Material: Carbon, Frame: appr. 950g XS), Fork: appr. 420g, Max. width tire: 30mm, Hanger: #4728

ColorUd-Carbon / Chrome

Fork

SPIRE Full Carbon

Headset

IS52/IS52; Integrated cable routing, Bearing dimensions:, Upper + lower: 51.9x40x8mm

Saddle

Selle Italia SLR Boost Superflow Kit Carbonio; L3: 145mm

Seatpost

SPIRE Carbon Seatpost, 350mm; 18mm setback

TypeRigid

Pedals

not included

Grips

ACID RC 2,5 CMPT

Groupset
Rear Derailleur

SRAM Force AXS E1, 12-speed

Front Derailleur

SRAM Force AXS E1, braze-on

Crank

SRAM Force AXS Spindle Power Meter E1, 48/35T; XS 170mm, S: 172,5mm, M: 172,5mm, L: 175mm, XL: 175mm

Power Meter

SRAM Force AXS Spindle Power Meter E1, 48/35T; XS 170mm, S: 172,5mm, M: 172,5mm, L: 175mm, XL: 175mm

Shifters

SRAM Force AXS E1 HRD, 2x12

Cassette

SRAM Force XG-1270, 10-33

Chain

SRAM Force E1

Brakes

SRAM Force AXS E1 HRD, flat-mount

TypeSRAM Force Hydraulic Disc

Wheels
Rims

NEWMEN Streem A.49/A.54, 100/142mm; Rim height: front 49mm, rear 54mm, Rim width: 24mm, Tubeless ready: ✔, Tubeless valves: ✔, NEWMEN valve set, Tubeless tape: ✔, 27mm, Tubeless milk: not included

Tires

Continental Grand Prix 5000 S, TR, 28" x 30mm

Rider Notes
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First added April 11

Last updated May 16