Bianchi Arcadex GRX 820/822 28 bicycle, celeste
Bianchi Arcadex GRX 820/822 28 bike
The new Arcadex is a fearless, rugged adventure machine that will take you further than ever before. A gravel bike with a carbon frame, synonymous with bikepacking. The refined frame comes in 5 sizes with a carbon seatpost.Characteristics of the new Arcadex:
- the Arcadex carbon fiber frame benefits from endurance geometry, suitable for long distance rides and expeditions
- it comes exclusively with a single derailleur in the front and the frame does not provide the option of mounting a derailleur
- Arcadex can pass tires up to size 700 x 50 mm. Can also be operated with drop-on fenders when using 45mm tires
- the Mitora 149 H1 saddle that provides the all-day comfort you need during your long adventures
- the internal frame storage module (IFS) provides the rider with extra capacity for useful little things such as CO2 canisters, lever mounts, or a multi-key
- the axle on the rear wheel includes a 4.5 and 6 mm Allen key
Especially for riders who seek low weight, have high competitive and adventurous ambitions, and also those who are looking only for the best. The installed components come from the top manufacturers' sets, often complemented by carbon components. Regular professional service is necessary for proper functionality.
Frame |
OLD (Over-Locknut-Dimension): 142 mm Front Derailleur: Non Compatible Rear Derailleur: SRAM UDH Hanger type Max Chainring Compatibility: 38T-44T Minimun Chainline: 45.5 mm Tire Clearance: ETRTO 622-50 mm SeatPost OD: Ø27.2 mm Material: Epoxy - SM Carbon Fiber Composite
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Fork |
Bianchi Arcadex Carbon Fork Disc Brake Specification: Flat Mount 140/160 Front Axle: thru12 OLD (Over-Locknut-Dimension): 100 mm Tire Clearance: ETRTO 622-42 mm
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Shifting |
Shimano GRX 820 ST/BL-RX820
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Derailleur |
Shimano GRX 822 RD-RX822, SGS Maximum Cassette Sprocket 51T
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Cassette |
Shimano CS-M7100-12 speed, 11-51T Driver body Interface: MicroSpline
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Chain |
Shimano 12-speed
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Cranks |
Shimano GRX 820 FC-RX820-1, 40T Crank Length: 170 mm-XS (47)-S (51), 172.5 mm-M (55)-L (58), 175 mm-XL (61)
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Brakes |
Shimano Hydraulic Brake, BR-RX820 / Shimano SM-RT70 IceTech 160 mm/160 mm
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Wheels |
Velomann Terbium clincher and tubeless ready Rim Diameter: 700C Material: Carbon Rim Height: 30 mm Inner Wigth Channel: 25 mm
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Tires |
Pirelli Cinturato™ GRAVEL M Classic, 700x40C tan sidewall
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Seat post |
Velomann Carbon UD SeatPost OD: Ø27.2 mm Seatpost lengths: 300 mm-XS (47), 350 mm-S (51), M (55), 400 mm-L (58), XL (61)
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Stem |
Velomann AICR Alloy Rise: -2° Steerer Diameter: 1-1/8" (28.6 mm) HB interface Diameter: 1-1/4" (31.8 mm) Stem Lengths: 80 mm-XS (47), 90 mm-S (51), 100 mm-M (55), 110 mm-L (58), 120 mm-XL (61)
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Handlebars |
Velomann Gravel ICR Alloy Flare: 16° | Drop: 130 mm | Reach 70 mm | Interface Diameter: 1 1/4" (31.8 mm) | HandleBar Widths: 400 - XS (47), S (51), 420 - M (55), L (58), 440 mm - XL (61)
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Headset |
Bianchi Custom Acros ICR (Internal Cable Routing) Spacers: 5 mm x 1, 10 mm x3 Headtube Cover: Bianchi Costum Compression Ring: 1.125 Inch Top Bearing: Angular contact Bearing 42x52x7 + seal Bottom Bearing: Angular contact Bearing 40x52x7 + seal Base Plate with seal, Steerer 1.5" (39.78 mm)
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Sex | Men, Unisex |
Model year | 2025 |
Gears | 1x12 |
Groupset | Shimano SLX, Shimano GRX |
Size | XS, S, M, L, XL |
Colour | celeste |
Material | carbon fiber |
Wheel material | Carbon |
Wheel diameter | 700C (28") |
Brakes | Hydraulic disc brakes |
Fork | Rigid |
product ID | 296078 |
Road and gravel bikes
Size | 44 cm/ XXXS | 46 cm /XXS | 50 cm/ XS | 53 cm/ S | 55 cm/ M | 57 cm/ L | 59 cm/ XL | 61 cm/ XXL | 61 cm/ XXL |
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Height (cm) | 150-155 | 155-160 | 162-167 | 167-172 | 172-178 | 178-184 | 184-188 | 188-194 | 194-200 |
Size | S | M | L | XL |
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Height (cm) | 152-162 | 162-172 | 172-186 | 186-195 |
All bicycles at the MTBIKER shop are new, not-ridden, from an official distributor and with a full warranty. Several brands even offer a lifetime warranty on the frame after registration. We perform all warranty services in MTBIKER stores after personal delivery or after sending the bike (or its part) by courier.
- The bicycle is taken out of the manufacturer's box
- The bicycle is assembled, inspected and adjusted (front and rear derailleur, shock, fork, wheels,...)
- The bicycle is carefully packed back into a box and shipped
- If you order a bicycle for in store pick up or home delivery, the bicycle will be waiting put together, checked and ready to use for you.
- If you order a bicycle via courier to your home address, the following must be done at home:
- Take the bike out of the box and carefully remove safety material and foils
- Mount handlebar to stem (1 minute, 4 or 5 mm hex hey is needed).
- Mount front wheel to fork (1 minute, without the need of any tools if the bike has a quick release).
- Loosen the screws in the headset, straighten the stem with the front wheel, tighten the upper screw on the fork and then tighten the headset (2 minutes, 4 or 5 mm hex key is needed).
- Mount the pedals to the cranks while lubricating the thread and carefully mounting it the right way (1 minute, 8 mm hex key or 15 mm wrench).
- Mount seatpost to frame (10 seconds, without needing any tools if the frame has a quick link).
- Inflate the tyres or fork and shock to desired pressure (2 minutes, pump needed).
- Check the tightening of hex keys and quick-releases (2 minutes, 4 and 5 mm hex key is needed).
- Go for a test drive! Handle your bicycle carefully until you get used to it. If the bike has disc brakes, their performance will be limited from now on - they will gain their full power after 4-5 strong brakes at higher speed.

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