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2021 Radon

R1 TIAGRA

An aluminum frame general road bike with mid-range components and shimano tiagra hydraulic disc brakes.
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Manufacturer Price

€1,129($1,313)
Weight21.9 lbs  
FrameAluminum
ForkCarbon
Wheels700c Aluminum
Drivetrain2 × 10
Groupset105, Tiagra
BrakesShimano Tiagra 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)

39 mph

R1 TIAGRA

37 mph

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Highest gear

(descending)

Specs
Build
Frame

R1 Disc Comfort; Material: Aluminium, Max. width tire: 28mm, Hanger: #10240

Color: Steahlthgrey / Black

Fork

RADON R1 Disc Full Carbon

Headset

VP, IS42/IS52

Stem

LEVEL NINE Race, 31.8mm; 50cm: 90mm, 53cm: 90mm, 56cm: 100mm, 58cm: 100mm, 60cm: 120mm, 63cm: 120mm

Handlebar

LEVEL NINE Wing Race, 31.8mm; 50cm: 400mm, 53cm: 420mm, 56cm: 440mm, 58cm: 440mm, 60cm: 460mm, 63cm: 460mm

Saddle

Selle Italia SL

Seatpost

LEVEL NINE Race, 27.2 x 350mm

Type: Rigid

Pedals

not included

Grips

RADON performance tape

Groupset
Rear Derailleur

Shimano 105 FD-R7000, clamp-on

Crank

Shimano Tiagra FC-4700, 50/34T; 50: 170mm, 53: 172,5mm, 56: 172,5mm, 58: 175mm, 60: 175mm, 63: 175mm

Shifters

Shimano Tiagra ST-4720, 2x10

Cassette

Shimano CS-HG500-10, 11-34

Chain

Shimano CN-HG54

Brakes

Shimano Tiagra BR-R4770, flat-mount

Type: Shimano Tiagra Hydraulic Disc

Wheels
Rims

Alexrims ATD560, 19mm

Spokes

DT Swiss Factory

Front Hub

Joytech Disc D981 12/100mm, 6-bolt

Rear Hub

Joytech Disc D982TSE 12/142mm, 6-bolt

Tires

Continental Ultra Sport 3, wired, 28" x 28mm

Rider Notes
Riders Also Viewed

First added October 27

Last updated January 22

Not listed for 1,939 days