Wilier Jaroon GRX 1x12 2025 - Gravel Bike

Built for exploration, the Wilier Jaroon GRX 1x12 features a steel frame, carbon fork, and modern gravel geometry. With internal cable routing, clearance for 45mm tyres, and Shimano’s GRX 12-speed groupset, it’s ready for everything from rough trails to long-distance bikepacking.
Key Features:
- Frame: Alloy frame with internal cable routing, clearance for up to 45mm tyres
- Fork: Carbon monocoque for lightweight handling and vibration absorption
- Drivetrain: Shimano GRX 12-speed for smooth, gravel-optimised shifting
- Brakes: Shimano GRX hydraulic disc brakes for reliable all-weather stopping power
- Wheels: Strong and reliable alloy wheelset, optimised for gravel performance
- Tyres: 700x40c tyres for fast rolling and confident grip on mixed terrain
- Additional Features: Rack and mudguard mounts for touring and commuting versatility
- Finance Option: Available with 0% APR finance
The Wilier Jaroon is designed for riders who want a capable, versatile bike that thrives on gravel, dirt tracks, and multi-day touring. The alloy frame features internal cable routing for a clean, modern look while allowing for better protection from dirt and debris. With a 27.2mm seatpost, the Jaroon ensures a smooth and comfortable ride, absorbing vibrations from rough terrain.
The relaxed gravel geometry, combined with a 12-degree flare-out drop handlebar, enhances stability and control, making the Jaroon ideal for bikepacking or long gravel rides. Additional mounts for mudguards and racks give riders the flexibility to carry lightweight luggage, making this bike as practical as it is fun.
Equipped with Shimano’s gravel-specific GRX 12-speed drivetrain, the Jaroon delivers precise and reliable shifting on all terrains. The 1x setup simplifies gear changes while providing a wide range, ensuring you can tackle steep climbs and fast descents with ease. The Shimano GRX hydraulic disc brakes offer consistent stopping power in all weather conditions, giving you confidence on every ride.
The lightweight carbon monocoque fork provides excellent vibration damping and precise steering control. The alloy wheels are built for durability, capable of handling the demands of gravel riding and bikepacking adventures. Paired with 700x40c tyres, this setup ensures fast rolling speed on tarmac while maintaining excellent traction and comfort on looser terrain.
With fully integrated cable routing and a clean design, the Jaroon is as stylish as it is practical. The generous tyre clearance of up to 45mm allows for a variety of tyre setups, adapting to different terrains and riding conditions. Whether you're commuting, gravel grinding, or setting out on an epic bikepacking trip, the Wilier Jaroon GRX 1x12 is ready for the journey ahead.
Occasionally, without notice, manufacturers change product design and/or specifications.
Frame | ALLOY INTERNAL CABLE ROUTING |
Fork | CARBON MONOCOQUE |
Headset | FSA Integrated |
Stem | ProMax DA-296 |
Bars | PROMAX DROP BAR HB-3053DB ALLOY |
Front Brake | SHIMANO GRX BR-RX610 |
Rear Brake | SHIMANO GRX BR-RX610 |
Brake Lever | SHIMANO GRX ST-RX6100 |
Front Mech | N/A |
Rear Mech | SHIMANO GRX RD-RX812 |
Shifters | SHIMANO GRX ST-RX6100 |
Speed | 12 |
Front Tyre | 700x40c |
Rear Tyre | 700x40c |
Seat Post | Alloy 27.2 mm |
Saddle | ERGONOMIC DESIGN |
Cassette | SHIMANO CS-M7100-12 10-45T |
Pedals | N/A |
Wilier Jaroon 2025 Geometry Chart
Size | XS | S | M | L | XL |
---|---|---|---|---|---|
Stack | 548 | 567 | 587 | 606 | 626 |
Reach | 384 | 392 | 401 | 409 | 417 |
Head Tube Length | 10 | 12.5 | 15 | 17.5 | 20 |
Head Tube Angle | 70° | 70° | 70° | 70° | 70° |
Seat Tube Length | 39 | 42 | 45 | 48 | 51 |
Seat Tube Angle | 74° | 74° | 74° | 74° | 74° |
Wheelbase | 1037 | 1054 | 1071 | 1088 | 1104 |
All measurements are in mm unless otherwise stated.
The above table shows the standard geometry for the bicycle as shipped, other geometry configurations may be available with certain bikes. Please contact us via Live Chat to find out more.
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Wilier Jaroon GRX 1x12 2025 - Gravel Bike
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