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2020 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

€1,099($1,273)
Weight21.2 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: Stealthgrey / Lightgrey / Brightblue

Fork

RADON R1 Disc Full Carbon

Headset

FSA, IS42/IS52

Stem

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

Handlebar

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

Saddle

Selle Royal Asphalt

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

Alex ATD550, 17mm

Spokes

DT Swiss Factory

Front Hub

Joytech Disc 12/100mm, 6-bolt

Rear Hub

Joytech Disc 12/142mm, 6-bolt

Tires

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

Rider Notes
Riders Also Viewed

First added September 24

Last updated October 24

Not listed for 2,058 days