Bianchi Impulso RC GRX 825 Di2 28 bicycle, celeste
Bianchi Impulso RC GRX 825 Di2 28 bike
Aerodynamic performance, light weight and off-road capabilities. These are the characteristics of the renewed Impulso family, which includes the RC, Pro and Comp versions. All types of users will benefit from this.The new Impulso family is Bianchi's answer to those looking for speed when riding on all types of roads - from hard clay to loose gravel, to the occasional paved section or asphalt. Gravel that is fully ready to race.
Bianchi Impulso RC - ready to win
The new Impulso frame platform takes advantage of the aerodynamic advantages applied in the development of the Oltre RC and Specialissima. To maximize performance, the fork has been integrated with the head tube, while specially designed aerodynamic RC wheels make the Impulso one of the most aerodynamic gravel bikes in its category.
In the 2025 season, it comes on the Shimano GRX electric groupset.
As with the top road models, Bianchi paid special attention to the components that are an integral part of the bicycle system and its overall appearance. The Impulso RC is equipped with a pair of RC43 wheels with a 43 mm profile, 25 mm internal width and a 3K carbon finish.
Reparto Corse has given the new Impulso RC an improved, stiffer, integrated cockpit for precise handling. The 16° bend on the handlebars gives the rider extra control on technical downhill sections, while its extremely lightweight carbon fiber composition has reduced the handlebar weight to just 340g.
The drive is provided by the Shimano GRX 825 electric double chainring set. Thanks to it , the weight of the entire bike oscillates just above 8 kg (for size M).
The top model designed for professionals, the Impulso RC, will be available in a celeste color with a metallic sheen combined with an accent in the iconic CK16 celeste.
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 |
Disc Brake Specification: Flat Mount 140/160 Bottom Braket Standard: PressFit 86.5 X diam.41 Rear Axle: thru12 OLD (Over-Locknut-Dimension): 142 mm Max Chainring Compatibility: 46T-52T (Shimano) - 43T-48T (SRAM) Tire Clearance: ETRTO 622-42 mm Material: HM
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Fork |
Bianchi Impulso Integrated Fork Disc Brake Specification: Flat Mount 140/160 Front Axle: thru12 OLD (Over-Locknut-Dimension): 100 mm Tire Clearance: ETRTO 622-42 mm Steer tube Diameter: 1 1/8 inch Material: HM-HS Carbon Fiber Composite
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Shifting |
Shimano GRX, ST-RX825
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Derailleur |
Shilmano GRX RD-RX825
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Derailleur |
Shilmano GRX FD-RX825
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Cassette |
Sram Force XG-1270, 10-36T Driver Body Interface: XDR
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Chain |
Shimano CN-M7100
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Cranks |
Shimano GRX 820 FC-RX820 48-31T. 4iiii Precision 3, single side power meter Crank Length: 170 mm-XS(47)-SM(51), 172.5 mm-MD(55)-LG(58), 175 mm-XL(61)
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Brakes |
Shimano Hydraulic Brake, BR-RX820
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Brake discs |
Shimano RT-CL800 IceTech Hub Interface: Centerlock Rotor Diameter: 160 mm (front&Rear)
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Wheels |
Reparto Corse RC43, high modulus carbon textile with 3K finishing, Sealed cartridge bearings with CERAMIC balls, Compatibility HG FW body/XDR FW body, ASTM classification: 2, Tire compatibility: tubeless ready and clincher, Recommended tire size: 700c, fr
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Tires |
Pirelli Cinturato Gravel RC, 700 x 40C, 60TPI- TLR, Folding, Tan sidewall
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Handlebars |
Reparto Corse AeroFlare Flare: 16° Drop: 120 mm Reach 80 mm Steerer Interface Diameter: 1 1/8 inch, HandleBar Sizes: 90/400-SX(47) ; 100/400-SM(51); 110/420-MD(55)-LG(58); 120/440-XL(61) Material: HM-HS Carbon Fiber Composite
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Headset |
Bianchi Custom Acros ICR (Internal Cable Routing)
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Bottom bracket |
Shimano SM-BB72-41B, press fit
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Sex | Men, Unisex |
Model year | 2025 |
Gears | 2x12 |
Groupset | Shimano GRX, SRAM Force |
Colour | celeste |
Material | carbon fiber |
Wheel material | Carbon |
Wheel diameter | 28" |
Brakes | Hydraulic disc brakes |
Fork | Rigid |
product ID | 331503 |
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 |
---|---|---|---|---|---|---|---|---|---|
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 |
---|---|---|---|---|
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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