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2026 Author

Aura XR2

An aluminum frame gravel bike with upper mid-range components and shimano hydraulic disc brakes.
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Weight24.7 lbs  
FrameAluminum
SuspensionRigid
ForkAluminum
Wheels700c Aluminum
Drivetrain1 × 10
GroupsetCUES
BrakesShimano Hydraulic Disc
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Insights
Ride Feel

Based on frame geometry and build specs.

Rider Position
relaxedaggressive
Terrain
smoothrugged
Aura XR2
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)

33 mph

Aura XR2

36 mph

Similar Bikes

Highest gear

(descending)

Sizing
50cm

5'2" – 5'7"

52cm

5'6" – 5'11"

54cm

5'9" – 6'1"

56cm

6'0" – 6'4"

58cm

6'2" – 6'9"

Rider Fit Notes

None yet.

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Geometry
Specs
Build
Frame

triple butted alloy (max. tyre size 45 mm)

ColorRed

Fork

AUTHOR alloy, 1.5" tapered

Stem

AUTHOR alloy

Handlebar

AUTHOR alloy, rise 15 mm, 660/680 mm

Saddle

AUTHOR Guru

Seatpost

AUTHOR alloy (27.2)

TypeRigid

Groupset
Rear Derailleur

SHIMANO Cues 6000

Crank

SHIMANO Cues 6030-1, 42 teeth, 172,5/175 mm cranks

Shifters

SHIMANO Cues 6000 (10)

Cassette

SHIMANO CS-LG300-10, 11-48 teeth (10)

Chain

KMC XGlide

Brakes

SHIMANO BR-UR300, disc hydraulic (160 mm rotors)

TypeShimano Hydraulic Disc

Wheels
Rims

AUTHOR Oxygen TRC, 32 holes

Spokes

black stainless steel 2.0 mm

Front Hub

QUANDO Road Disc, 12 x 100 mm thru front axle, 32 holes

Rear Hub

QUANDO Road Disc, 12 x 100 mm thru front axle, 32 holes

Tires

PANARACER Gravel King SK Sport, 700 x 38c (max. tyre size 45 mm)

Rider Notes
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First added December 6

Last updated May 30