Author GURU 3.0 carbon gravel bike 54 cm graphite

The Author GURU 3.0 delivers top-tier gravel performance with a refined carbon Toray T700 frame, engineered for endurance and speed. Designed to handle both paved roads and rough trails, it’s the perfect companion for riders who demand more from every ride.

The Shimano GRX 825 Di2 drivetrain brings electronic precision to shifting, while GRX 820 hydraulic brakes ensure consistent power and control. Mavic Allroad CL wheels with Panaracer Gravel King SK 700×40c tires offer the ideal balance of traction, speed, and comfort.

Finished with FSA carbon components and the Prologo Scratch M5 Space AGX saddle, this bike provides the stability and comfort needed for long adventures. Lightweight, elegant, and technologically advanced — the GURU 3.0 redefines gravel riding performance.

Technical specifications

• Frame size: 54 cm

• Rider height: 177–187 cm

• Frame: AUTHOR carbon Toray T700 monocoque gravel 700C

• Fork: AUTHOR carbon Toray T700 monocoque gravel, 12 mm axle, 1.5" tapered

• Headset: FSA Orbit C-40 1.5" tapered

• Rear derailleur: SHIMANO GRX 825 Di2

• Front derailleur: SHIMANO GRX 825 Di2

• Shifters / levers: SHIMANO GRX 825 Di2 (24-speed)

• Brakes: SHIMANO GRX 820 hydraulic disc brakes, 160 mm rotors

• Crankset: SHIMANO GRX 820-2, 48/31T (172.5 / 175 mm)

• Bottom bracket: SHIMANO BB-RS501

• Cassette: SHIMANO CS-HG710-12, 11–36 (12-speed)

• Chain: KMC X12

• Wheels: MAVIC Allroad CL 700C, 20H

• Front hub: MAVIC, 12×100 mm, 20H

• Rear hub: MAVIC, 12×142 mm, 20H

• Tires: PANARACER Gravel King SK folding 700×40C

• Handlebar: FSA Wing AGX 420 / 440 mm

• Stem: FSA NS SMR-II

• Bar tape: AUTHOR microfiber / gel

• Saddle: PROLOGO Scratch M5 Space AGX Tirox

• Seatpost: FSA K-Force SBO carbon (27.2 mm)

• Seat clamp: AUTHOR (31.8 mm)

• Wheel size: 700C

• Frame material: carbon Toray T700

• Frame type: rigid

• Colour: graphite

• Gender: unisex

• Bike weight: 9 kg 

• Purpose: gravel / road

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