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2020 Author

Aura XR4

An aluminum frame gravel bike with mid-range components and shimano mechanical disc brakes.
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Weight23.6 lbs  
FrameAluminum
SuspensionRigid
ForkCarbon
Wheels700c Aluminum
Drivetrain2 × 10
GroupsetGRX 600, Tiagra
BrakesShimano Mechanical Disc
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Insights
Ride Feel

Based on frame geometry and build specs.

Rider Position
relaxedaggressive
Terrain
smoothrugged
Aura XR4
Other Gravel bikes
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)

36 mph

Aura XR4

36 mph

Similar Bikes

Highest gear

(descending)

Sizing
50cm

5'2" – 5'7"

52cm

5'6" – 5'11"

54cm

5'9" – 6'3"

56cm

6'1" – 6'5"

58cm

6'3" – 6'9"

Rider Fit Notes

None yet.

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Geometry
Specs
Build
Frame

triple butted alloy 6061

ColorBlack-Matt / Green

Fork

AUTHOR carbon legs, alloy steerer 1.5" tapered

Stem

AUTHOR

Handlebar

PROMAX 420 / 440 / 460 mm

Saddle

AUTHOR Guru

Seatpost

AUTHOR (27.2)

TypeRigid

Groupset
Rear Derailleur

SHIMANO Tiagra

Front Derailleur

SHIMANO GRX 400

Crank

SHIMANO GRX 600 46-30 teeth 172.5 / 175 mm cranks

Shifters

SHIMANO Tiagra (20)

Cassette

SHIMANO HG500-10 11-34 (10)

Chain

KMC X10

Brakes

SHIMANO RS305 disc mechanical (160 mm rotors)

TypeShimano Mechanical Disc

Wheels
Rims

JALCO CR25D 32 holes

Spokes

stainless steel hi-ten 2.0 mm black

Front Hub

QUANDO Road Disc 12 × 100 mm thru front axle 32 holes

Rear Hub

QUANDO Road Disc 12 × 100 mm thru front axle 32 holes

Tires

RITCHEY Cross Shield kevlar 700 × 35c

Rider Notes
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First added November 2

Last updated November 8

Not listed for 1,298 days