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2026 Author

Aura XR6

An aluminum frame gravel bike with high-end components and shimano grx 400 hydraulic disc brakes.
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Weight22.5 lbs  
FrameAluminum
SuspensionRigid
ForkCarbon
Wheels700c Aluminum
Drivetrain2 × 12
GroupsetGRX 800, GRX 600
BrakesShimano GRX 400 Hydraulic Disc
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Insights
Ride Feel

Based on frame geometry and build specs.

Rider Position
relaxedaggressive
Terrain
smoothrugged
Aura XR6
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 XR6

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

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Geometry
Specs
Build
Frame

triple butted alloy (max. tyre size 45 mm)

Color- / Black

Fork

AUTHOR carbon, 1.5" tapered

Stem

RITCHEY Comp 4-Axis

Handlebar

RITCHEY Road ErgoMax Comp, 420/440/460 mm

Saddle

PROLOGO Scratch M5 Space AGX T2.0

Seatpost

RITCHEY 2B Comp (27.2)

TypeRigid

Groupset
Rear Derailleur

SHIMANO GRX 820

Front Derailleur

SHIMANO GRX 820

Crank

SHIMANO GRX 610-2, 46-30 teeth, 172,5/175 mm cranks

Shifters

SHIMANO GRX 610 (24)

Cassette

SHIMANO CS-HG710-12, 11-36 teeth (12)

Chain

KMC X12

Brakes

SHIMANO GRX 410, disc hydraulic (160 mm rotors)

TypeShimano GRX 400 Hydraulic Disc

Wheels
Rims

MAVIC Allroad UST Disc CL wheel set, 24 holes

Spokes

MAVIC

Front Hub

MAVIC Allroad UST Disc CL, wheel set, 24 holes, 12 x 100 mm thru front axle, 12 x 142 mm thru rear axle

Rear Hub

MAVIC Allroad UST Disc CL, wheel set, 24 holes, 12 x 100 mm thru front axle, 12 x 142 mm thru rear axle

Tires

PANARACER Gravel King X1, foldable, 700 x 40c (max. tyre size 45 mm)

Rider Notes
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First added December 6

Last updated May 30