SPECIFICATIONS
FRAME
Disc Brake Specification: Flat Mount 140/160
Bottom Bracket 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 622-42mm
Material: HM
FORK
Bianchi Impulso Integrated Fork
Disc Brake Specification: Flat Mount 140/160
Front Axle: thru12
OLD (Over-Locknut-Dimension): 100 mm
Tire Clearance: ETRTO 622-42mm
Steer tube Diameter: 1 1/8″
Material: HM-HS Carbon Fiber Composite
HEADSET
Bianchi Custom Acros ICR (Internal Cable Rounting)
Spacers:5 mm x1, 10mm x3
Headtube Cover: Bianchi Custom
Compresion Ring: 1.125 Inch
Top Bearing: Angular contact Bearing 42x52x7 + seal
Bottom Bearing: Angular contact Bearing 40x52x7 + seal
SHIFTERS
Shimano GRX, ST-RX825
REAR DERAILLEUR
Shimano GRX RD-RX825
FRONT DERAILLEUR
Shimano GRX FD-RX825
CRANKSET
Shimano GRX 820 FC-RX820 48-31T
4iiii Precision 3, single side powermeter
Crank Length: 170mm-XS(47)-SM(51), 172.5mm-MD(55)-LG(58), 175mm-XL(61)
BOTTOM BRACKET
Shimano SM-BB72-41B, press fit
CHAIN
Shimano CN-M7100
CASSETTE
Shimano CS-HG710-12 speed, 11-36T
Driver body Interface: HG11
BRAKES
Shimano Hydraulic Brake, BR-RX820
ROTOR
Shimano RT-CL800 IceTech
Hub Interface: Centerlock
Rotor Diameter: 160 mm (front&Rear)
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
Tyre compatibility: tubeless ready and clincher
Recommended tyre size: 700c, fr
TIRE
Pirelli Cinturato Gravel RC
700 x 40c, 60TPI- TLR, Folding, Tan sidewall
HANDLEBAR
Reparto Corse AeroFlare
Flare: 16°
Drop: 120mm
Reach: 80mm
Steerer Interface Diameter: 1 1/8″”
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
GRIPS
Bianchi Arrow 2.5mm thickness, full black
SEATPOST
Bianchi Custom D-Shape
Offset: 20mm Back
Seatpost lengths: 300mm-SX(47), 350mm- SM(51) MD(55), 380mm-LG(58) XL(61)
Material: HM-HS Carbon Fiber Composite
SADDLE
Bianchi RC139 carbon, microfiber cover
Inserts: PWR gel, carbon fiber shell, carbon rails
Length: 250mm
Wide: 139mm
Weight: 145g
Based on component availability, Bianchi reserves the right to make changes on specifications without notice.
GEOMETRY CHART
GRAVEL, FASTER.
Reparto Corse set out to re-engineer our Impulso platform to better suit the needs of competitive gravel racers.
Tuned for those who demand the holy trinity of aerodynamic performance, low weight, and off-road capability.
In order to win gravel races, you need a machine that is engineered for the task. The Impulso RC is built to make you faster.
RACING GRAVEL TUNED
Reparto Corse has meticulously optimised the Impulso RC for the demands of the high-velocity, extremely technical discipline of gravel racing.
Treating every facet as part of the cohesive performance whole, this systematic approach is becoming central to Bianchi’s design thinking.
AERODYNAMICS
Lessons learned from the Oltre RC aero bike and our next-generation Specialissima RC allrounder have been applied to the Impulso, along with an integrated fork and specifically crafted aero wheelset, creating one of the most aerodynamic gravel bikes in its category.
The seat post uses a D-shaped profile, allowing for greater comfort in the saddle compared with a perfect NACA profile – perfect for challenging mixed terrain.
ESSENTIAL FRAME
For pure performance, the design of the Impulso frame is kept intentionally clean, inspired by the sleek aerodynamic frames of our road machines.
There are no extra mounts for multiple bag and bottle installation, or protruding screws to add weight or drag.
TOTAL CONTROL
On fast gravel race parcours, you need to have total control. Reparto Corse devoted significant resources to enhancing the cockpit system of the Impulso RC, putting the power to win in your grasp.
COMPETITIVE STIFFNESS
On the re-engineered Impulso, we’ve focused on the stiffness of the cockpit system to achieve a much better racing feel and advanced control.
RIDE WITH FLARE
The 16° flare of the bars helps give the rider extra control on technical downhill sections.
RACING GEOMETRY
The Impulso uses a progressive geometry for the frame. Inspired by the safe, stable performance of elite bikes in off-road racing, it boasts a shorter stem than the Specialissima RC and a longer reach. Confident performance on bumpier sections is provided thanks to the 1,025mm wheelbase.
We modelled multiple bottom bracket drops before settling on 70mm for the revamped Impulso family. This gives the rider maximum control and a more aggressive overall experience.
RACE-WINNING CLEARANCE
The re-engineered Impulso frame can accommodate 42mm tyres, however running smaller sizes will aid in the dispersion of mud when the conditions and course demand it.
RC SADDLE
Great performance at the most advanced professional level. With its aggressive design, the saddle has been engineered to ensure the best aerodynamic position on the bike and maximum power transmission when pedalling.
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