BH Gravelx Evo 4.5 R vs Bianchi Impulso Comp

Gravelx Evo 4.5 R

Bianchi

Impulso Comp

High endRaceCarbon700c2026

Mid-rangeRaceCarbon700c2026

Close on the specs and the list price: here are their 16 differences, line by line.

BHBH Gravelx Evo 4.5 R

BianchiBianchi Impulso Comp

At a glance

Differences only

Key specs5 differences

List price £3,363 –

Model year 2026 2026

Frame Carbon

As printed

Gravel X Carbon Monocoque Racing

Carbon

As printed

Material: Carbon

Wheelset 700c · Vision Team TC30 XDR Disc 700c · V24G ^{°Value not published by the brand}

Drivetrain 1×12 2×12

Groupset SRAM Apex AXS Shimano GRX 800, GRX 600 ^{°Value not published by the brand}

Brake model SRAM Apex Shimano Hydraulic Brake ^{°Value not published by the brand}

Seatpost Rigid · BH Gravel X ^{°Value not published by the brand} Rigid · Bianchi Custom D-Shape Offset: 20mm Back Seatpost lengths: 300mm-SX(47), 350mm- SM(51) MD(55) ^{°Value not published by the brand}

Prices

Each model's retailers, delivered to your country, and their prices over time.

BH Gravelx Evo 4.5 R

Bianchi Impulso Comp

Affiliate links: no extra cost for you ♥

Character

The bike at a glance: the ground it is made for, how it handles, its gears and its equipment, beside the other bikes of its kind.

Gravelx Evo 4.5 R · Gravel bike rather for smooth ground, very stable, rather high equipment.
Impulso Comp · Gravel bike rather for smooth ground, very nimble, average equipment.

Terrain

EasyDemanding

Handling

NimbleStable

Equipment level

Gravelx Evo 4.5 REquipment level 67/100 · High end
Impulso CompEquipment level 51/100 · Mid-range

BH Gravelx Evo 4.5 RBianchi Impulso Compother race gravel bikes

Components and specs

Every spec line by line; the higher range of a component is marked. The technical groups are folded.

Ride type

Ride type Race

As printed

Gravel X Carbon Monocoque Racing

Race

Suspension Rigid ^{°Value not published by the brand} Rigid ^{°Value not published by the brand}

Frame and fork1 difference

Fork Carbon ^{°Value not published by the brand} Carbon ^{°Value not published by the brand}

Frame weight 940 g –

Max tyre clearance 45 mm 42 mm −3 mm

Axles– Thru-axles ^{°Value not published by the brand}

As printed

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 Derail

Bottom bracket– Shimano SM-BB72-41B, press fit ^{°Value not published by the brand}

Drivetrain7 differences

Groupset brand SRAM

As printed

SRAM Apex AXS

Shimano ^{°Value not published by the brand}

Shifting Electronic, wireless ^{°Value not published by the brand}

As printed

SRAM Apex AXS SRAM Apex AXS

Mechanical ^{°Value not published by the brand}

As printed

Shimano GRX 820 RD-RX820 Shimano GRX 610 ST-RX610

Chainrings 1 2 ^{°Value not published by the brand}+1

Gears at the back 12 12 ^{°Value not published by the brand}

Chainring teeth SRAM Apex 40T Shimano GRX 610 FC-RX610 46-30T ^{°Value not published by the brand}Higher range

Cassette SRAM Apex 10/44 Shimano CS-HG710-12 speed, 11-36T ^{°Value not published by the brand}

Rear derailleur SRAM Apex AXS ^{°Value not published by the brand} Shimano GRX 820 RD-RX820 ^{°Value not published by the brand}Higher range

Shifters SRAM Apex AXS ^{°Value not published by the brand} Shimano GRX 610 ST-RX610 ^{°Value not published by the brand}Higher range

Brakes

Brakes Hydraulic disc ^{°Value not published by the brand}

As printed

SRAM Apex Disque hydraulique

Hydraulic disc ^{°Value not published by the brand}

As printed

Shimano Hydraulic Brake, BR-RX400

Wheels and tyres1 difference

Wheel size 700c / 29"

As printed

Pirelli Cinturato Gravel 700x40

700c / 29"

As printed

Raddurchmesser: 28´´- 700

Rims Aluminium ^{°Value not published by the brand} Aluminium ^{°Value not published by the brand}

Tyres Pirelli Cinturato Gravel 700x40 Pirelli Cinturato GRAVEL M Classic, 40-622 tan sidewall ^{°Value not published by the brand}

Tyre width fitted 40 mm –

Cockpit and seatpost3 differences

Handlebar width 400 mm ^{°Value not published by the brand}–

Handlebar FSA NS Gravel, X, Handlebar, FSA NS Gravel, XS 400mm, SM 420mm, MD 420mm, LA 440mm, XL 440mm ^{°Value not published by the brand} Velomann Gravel ICR Alloy Flare: 16° Drop: 130mm Reach 70mm Interface Diameter: 1 1/4"" (31.8mm) HandleBar Widths: 400 - SX(47) SM(51) ^{°Value not published by the brand}

Stem FSA NS SMR, X, Stem, FSA NS SMR, XS 90mm, SM 100mm, MD 100mm, LA 110mm, XL 110mm ^{°Value not published by the brand} 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) (SM-51) ^{°Value not published by the brand}

Seatpost model BH Gravel X ^{°Value not published by the brand} Bianchi Custom D-Shape Offset: 20mm Back Seatpost lengths: 300mm-SX(47), 350mm- SM(51) MD(55) ^{°Value not published by the brand}

° Value not published by the brand

Geometry

A size per bike (the nearest to the first one's at first), the differences measured from the reference bike.

Size of Gravelx Evo 4.5 R

Size of Impulso Comp

Differences measured from

Gravelx Evo 4.5 R · XS
Impulso Comp · XS

Stack and reach

Gravelx Evo 4.5 R · XS Gravelx Evo 4.5 R · XS — Reach (mm) 366 · Stack (mm) 510
Impulso Comp · XS Impulso Comp · XS — Reach (mm) 376 · Stack (mm) 517

Geometry12 differences

Size XS XS

Reach 366 mm 376 mm +10 mm

Stack 510 mm 517 mm +7 mm

Top tube (effective) 503 mm 515 mm +12 mm

Seat tube 478 mm 410 mm −68 mm

Head tube 100 mm 100 mm

Head angle 69.5° 70.5° +1°

Seat angle 75° 75°

Chainstays 426 mm 425 mm −1 mm

Wheelbase 1,000 mm 1,007 mm +7 mm

Front centre 584 mm 592 mm +8 mm

BB drop 67 mm 70 mm +3 mm

BB height 282 mm 266 mm −16 mm

Fork offset 45 mm 50 mm +5 mm

Trail 82 mm 67 mm −15 mm

Where to buy them

BH Gravelx Evo 4.5 R
List price £3,363
Its full spec sheet Compare the whole BH Gravelx range
Bianchi Impulso Comp
Its full spec sheet

Compare the whole BH Gravelx range

Frequently asked questions

What groupset do BH Gravelx Evo 4.5 R and Bianchi Impulso Comp come with?

BH Gravelx Evo 4.5 R: SRAM Apex AXS. Bianchi Impulso Comp: Shimano GRX 800, GRX 600.

How do BH Gravelx Evo 4.5 R and Bianchi Impulso Comp compare on geometry?

In size XS, BH Gravelx Evo 4.5 R has a stack of 510 mm for a reach of 366 mm; in size XS, Bianchi Impulso Comp has 517 mm for 376 mm. More stack for the reach means a more upright position.

Compare other models

BH Gravelx Evo 4.5 R vs Bianchi Impulso Comp

At a glance

Prices

Character

Equipment level

Components and specs

Geometry

Stack and reach

Where to buy them

Frequently asked questions

Other comparisons