Components and graphic details may differ from the actual model.

GRX 820 2x12spYTB83

Impulso PRO

Recommended Retail Price

 4.350

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Maintenance

Find out how to take care of the product

Manuals

Everything you need to know about your bike

Legal warranty

Discover the terms and conditions

Conventional lifetime warranty

Find out all the details about the terms and conditions of the conventional lifetime warranty

Frameset

Frame 

IMPULSO PRO
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
Front Derailleur: Brazed-on Type
Rear Derailleur: SRAM UDH Hanger type
Max Chainring Compatibility: 46T-52T (Shimano) –
43T-48T (SRAM)
Tire Clearance: ETRTO 622-42mm
Material: Carbon Fiber Composite

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: Carbon Fiber Composite

Headset

Bianchi Custom Acros ICR (Internal Cable Rounting)

Drivetrain

Shifters

Shimano GRX 820 ST-RX820

Crankset

Shimano GRX 820 FC-RX820 48-31T
Crank Length: 170mm-XS(47)-SM(51),
172.5mm-MD(55)-LG(58), 175mm-XL(61)

Cassette

Shimano CS-HG710-12 speed, 11-36T
Driver body Interface: HG11

Rear Derailleur

Shimano GRX 820 RD-RX820
Maximum Cassette Sprocket 36T

Bottom Bracket

Shimano SM-BB72-41B, press fit

Front Derailleur

Shimano GRX 820 FD-RX820

Chain

Shimano 105, CN-M7100

Brakes

Brakes

Shimano Hydraulic Brake, BR-RX820

Rotor

Shimano SM-RT70 IceTech
Hub Interface: Centerlock
Rotor Diameter: 160 mm (Front&Rear)

Cockpit

Stem

Velomann AICR Alloy
Rise: -2°
Steerer Diameter: 1-1/8 (28.6mm)
HB interface Diameter: 1-1/4 (31.8mm)
Stem Lengths: 80mm – XS(47), 90mm – SM(51),
100mm-MD(55), 110mm-LG(58),120m -XL(61)

Handlebar

Velomann Gravel ICR Alloy
Flare: 16°
Drop: 130mm
Reach 70mm
Interface Diameter: 1 1/4 (31.8mm)
HandleBar Widths: 400 – SX(47) SM(51), 420 – MD(55) LG(58),
440 -XL(61)

Grips

La Spirale Ribbon cork

Wheels

Wheels

Velomann Terbium
clincher and tubeless ready
Rim Diameter: 700C
Material: Carbon
Rim Height: 30 mm
Inner Wigth Channel: 25 mm

Tire

Pirelli Cinturato™ GRAVEL H Classic, 40-622 tan
sidewall

Saddle

Seatpost

Bianchi Custom D-Shape
Offset: 20mm Back
Seatpost lengths: 300mm-SX(47), 350mm- SM(51) MD(55),
380mm-LG(58) XL(61)
Material: Epoxy – HM-HS Carbon Fiber Composite

Saddle

Velomann MITORA 149 Hyper

SIZE A B1 C D E F G G1 H I X Y W
XS 410 515 425 70 100 592 75° 70,5° 50 391 376 517 1007
SM 450 526 425 70 118 600 74,5° 70,5° 50 391 378 534 1014
MD 490 550 425 70 135 610 74° 71,5° 50 391 391 554 1025
LG 520 572 426 70 162 628 73,5° 71,5° 50 391 401 580 1045
XL 550 600 428 70 190 645 73° 72° 50 391 414 608 1064

Based on component availability, Bianchi reserves the right to make changes on specifications without notice.

color

F1 – CK16 / Graphite Matt, F4 – Grey / Black Matt, GK – Terra / Graphite

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