gravel bike 46/30 Bianchi Nirone 7 GRX610 Gravel Bike 46-30 2x12S YTB64SBianchi Nirone 7 GRX610 Gravel Bicycle 212 Speed 46 30T Crankset 70040 Tubeless Ready Green 55 cm Frame Italian Elegance, Double Chainring Comfort The Bianchi Nirone 7 now steps into the gravel world with a 2x12 drivetrain. Equipped with the Shimano GRX 600 series, this model blurs the lines between asphalt and dirt, offering both the comfort of a road bike and confidence on rough roads. The 46 30T crankset and 11 34T cassette (according to catalog

Bianchi Nirone 7 GRX610 Gravel Bicycle

2×12 Speed | 46-30T Crankset | 700×40 Tubeless Ready | Green – 55 cm Frame

🚴 Italian Elegance, Double Chainring Comfort

The Bianchi Nirone 7 now steps into the gravel world with a 2x12 drivetrain. Equipped with the Shimano GRX 600 series, this model blurs the lines between asphalt and dirt, offering both the comfort of a road bike and confidence on rough roads.

The 46-30T crankset and 11-34T cassette (according to catalog information) or wide-range cassette ensures you find the right cadence on any terrain. Equipped with a carbon fork, thru-axles, and Kenda Alluvium 700×40 Tubeless Ready tires, this bicycle is your companion for every moment, from exploratory rides to long-distance touring.

Style and a perfect fit come together with the green color – 55 cm frame.

🏆 Key Features

• Bianchi 6061 aluminum frame – lightweight, sturdy, internal cable routing
• Bianchi carbon fork – 1.1/8″ – 1.5″ tapered, flat mount disc brake, thru-axle
• Shimano GRX 2×12 speed – RX610 levers, RX820 rear and front derailleur
• Shimano GRX RX400 hydraulic disc brake – 160 mm rotors, secure stopping in all weather conditions
• Velomann GD24 tubeless ready wheelset – modern, durable
• Kenda Alluvium 700×40 tubeless ready tire – balance of comfort and grip
• 46-30T crankset – wide gear range, comfortable on steep climbs
• BSA (threaded) bottom bracket – easy maintenance, reliability

🔧 Technical Details

Frame
Bianchi 6061 aluminum, 1.1/8″ upper head tube, flat mount disc brake, BSA bottom bracket, 142×12 mm thru-axle rear. Internal cable routing.
This model: 55 cm frame – ideal for riders approximately 1.78–1.83 m tall.

Fork
Bianchi carbon, 1.1/8″ – 1.5″ tapered head tube, flat mount disc brake, 12×100 mm thru-axle.

Shifters
Shimano GRX ST-RX610 – 2×12 speed, hydraulic brake levers integrated.

Rear Derailleur
Shimano GRX RD-RX820 – 12 speed, Shadow+ clutch, prevents chain drop.

Front Derailleur
Shimano GRX FD-RX820 – 2×12 speed, braze-on type.

Crankset
Shimano GRX FC-RX610 – 46-30T, 2×12.
Crank arm length:
172.5 mm on M&L frames
175 mm on S frames
(172.5 mm for 55 cm frame)

Bottom Bracket
Shimano BSA type (threaded) – reliable, easy to maintain.

Chain
Shimano 12-speed (CN-M6100 or similar).

Cassette
Shimano 12-speed (11-34T or wide-range) – optimized for standard gravel use.

Brakes
Shimano GRX RX400 hydraulic disc brake.
Rotors: 160 mm front and rear.

Wheelset
Velomann GD24 – tubeless ready, reinforced construction.

Tires
Kenda Alluvium 700×40, tubeless ready – ideal for asphalt, dirt, and mixed gravel terrains.

Saddle
Velomann 2302HRN – comfortable, suitable for long rides.

Handlebar and stem
Velomann Gravel series – width and length adjusted according to frame size.

🚀 Shimano GRX 2×12: Specifically Designed for Gravel

The Shimano GRX series is a groupset developed specifically for gravel and cyclocross use.
With the 2×12 system, a wide gear range and narrow gear steps are offered together.

• 46-30T crankset + 11-34T cassette – comfortable climbing on hills (30-34 combination), high speed on flats (46-11)
• RD-RX820 rear derailleur – clutch mechanism, prevents chain drop, quiet operation
• FD-RX820 front derailleur – special toggle mechanism, easy and precise front gear shifting
• GRX RX400 hydraulic brake – powerful, highly modulated, comfortable levers

🛞 Kenda Alluvium 700×40 Tubeless Ready Tire

Kenda Alluvium is a gravel tire designed for mixed asphalt and light off-road use.
• 40 mm width – balance of comfort and grip
• Tubeless ready – lower puncture risk at low pressure, high grip
• Lightweight construction – facilitates acceleration
• Versatile tread pattern – ideal for asphalt, stabilized, light dirt roads

🎯 Frame Size and Rider Fit

55 cm frame
Suitable for riders with a height range of approximately 1.78 – 1.83 meters.

Frame geometry:
• Top tube horizontal: 561 mm
• Chainstay: 437 mm
• Head tube angle: 71.5°
• Seat tube angle: 73.5°
• Wheelbase: 1042 mm

For correct frame selection, riding style, inseam length, and flexibility are also important. A test ride or bike fitting service is recommended for a precise fit.

🏁 Who is this Bike for?

• Road cyclists looking to venture beyond asphalt
• Athletes preparing for gravel races
• Long-distance tourists – those seeking comfort and load-carrying capacity
• Those who prefer the wide gear range and narrow gear steps of the 2x12 system
• Those who want one bike for both commuting and weekend explorations
• Those who appreciate Bianchi's Italian design and quality

🛒 Products to Complement This Bike

• Tubeless conversion kit – to use tires fully tubeless (rims are already ready)
• Pedals – Shimano PD-ME700 (SPD) or PD-EH500 (flat/platform)
• Bag systems – frame bag, saddle bag, handlebar bag
• Lighting – front and rear lights for night rides
• Bike computer – GPS-enabled, routing and performance tracking
• Helmet and riding gear – for safety and comfort

📋 Important Note

Bianchi reserves the right to change technical specifications without prior notice, depending on component supply. No claims can be made for visual or typographical errors.

🚴‍♂️ Conclusion

Bianchi Nirone 7 GRX610 Gravel – an Italian brand extending its long-standing Nirone series into the gravel world, equipped with all the advantages of Shimano GRX 2×12, a bike built for exploration. With its carbon fork, Velomann GD24 tubeless-ready wheelset, and Kenda 700×40 tires, it's ready to push the limits of asphalt.

Complete your style and fit with the 55 cm frame – Green color.

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With Bianchi Nirone 7 GRX610 Gravel, every road is your road.