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2025 Author

Guru 1.0

A carbon frame gravel bike with high-end components and shimano grx 400 hydraulic disc brakes.
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Weight21.8 lbs  
FrameCarbon
SuspensionRigid
ForkCarbon
Wheels700c Aluminum
Drivetrain2 × 11
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
Guru 1.0
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

Guru 1.0

36 mph

Similar Bikes

Highest gear

(descending)

Sizing
SM

5'2" – 5'9"

MD

5'6" – 5'11"

LG

5'9" – 6'2"

XL

6'0" – 6'5"

Rider Fit Notes

None yet.

Do you have this bike? Help other riders make a decision about which size will work for them by sharing your own size and fit notes.

Geometry
Specs
Build
Frame

AUTHOR karbon Toray T700/M40 monocoque gravel, max tyre size 700 × 47C

ColorTitan-Matt / Black

Fork

AUTHOR karbon Toray T700 monocoque gravel, 1.5" tapered

Stem

FSA NS SMR-II

Handlebar

FSA Wing AGX, 420 / 440 mm

Saddle

AUTHOR Guru CR

Seatpost

FSA Comet SBO alloy (27.2)

TypeRigid

Groupset
Rear Derailleur

SHIMANO GRX 810

Front Derailleur

SHIMANO GRX 810

Crank

SHIMANO GRX 600, 46-30 teeth, 172,5 / 175 mm cranks

Shifters

SHIMANO GRX 600 (22)

Cassette

SHIMANO CS-HG701-11, 11-34 (11)

Chain

KMC X11

Brakes

SHIMANO GRX 400, disc hydraulic (160 mm rotors)

TypeShimano GRX 400 Hydraulic Disc

Wheels
Rims

JALCO SRD 21, 32 holes

Spokes

black stainless steel 2.0 mm

Front Hub

QUANDO Road Disc, 12 × 100 mm thru front axle, 12 × 142 mm rear axle, 32 holes

Rear Hub

QUANDO Road Disc, 12 × 100 mm thru front axle, 12 × 142 mm rear axle, 32 holes

Tires

PANARACER Gravel King SK Sport, aramid, 700 × 38C (40-622), max tyre size 700 × 47C

Rider Notes
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First added October 26

Last updated May 30