Author CHARISMA 55i Road Bike Red 55 cm
Author CHARISMA 55i Road Bike Red 52 cm
The Author Ronin SL 56 cm combines classic craftsmanship with modern performance. Reynolds steel, carbon fork and GRX 12s create a true premium gravel experience.
The Author Ronin SL 56 cm is a top-tier gravel bike made for riders who crave adventure and endurance in one. The triple-butted Reynolds steel frame delivers unbeatable comfort and long-term durability, while the Author Carbon fork sharpens handling and keeps the ride smooth on rough ground.
Equipped with Shimano GRX 1x12, the drivetrain ensures precision shifting and a wide range of gears for climbs, descents, and endless exploration. The Mavic Allroad CL wheels paired with Panaracer Gravel King SK 700x40c tires give grip, stability, and flow across mixed terrain.
High-end Ritchey cockpit components and the Prologo Scratch M5 AGX saddle offer premium comfort and control. Elegant, reliable, and ready for long-distance rides – this is a gravel bike that defines freedom on two wheels.
Frame size: 56 cm
Wheels: 700C
Frame material: Triple-butted Reynolds steel
Frame type: gravel
Suspension type: rigid
Fork: Author Carbon, 12 mm thru axle, tapered 1.5"
Headset: Prestine Integrated 1.5" tapered
Drivetrain: 1x12
Rear derailleur: Shimano GRX 822
Front derailleur: –
Shifters: Shimano GRX 610 (12s)
Brakes: Shimano GRX 400 hydraulic disc, 160 mm rotors
Crankset: Shimano GRX 820-1, 42T (172.5/175 mm)
Bottom bracket: Shimano BB-R60
Cassette: Shimano CS-M7100-12, 10–51T
Chain: KMC X12
Wheels: Mavic Allroad CL 700C
Tires: Panaracer Gravel King SK 700x40c
Handlebar: Ritchey Road ErgoMax 420/440/460 mm
Stem: Ritchey Comp 4-Axis
Bar tape: Author microfiber/gel
Saddle: Prologo Scratch M5 Space AGX T2.0
Seatpost: Ritchey Comp 27.2 mm
Seat clamp: Author 29.8 mm
Colour: grey
Gender: unisex
Rider height: around 186–195 cm
Weight: 10.2 kg (size 54 cm)
Intended use: gravel / road
Shipping:
We ship across the European Union.
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