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BH Gravelx Evo 4.5 R Apex AXS vs BH Gravelx Evo 5.5 R GRX 820

BH Gravelx Evo 4.5 R Apex AXS, side view

BH

Gravelx Evo 4.5 R Apex AXS

BH Gravelx Evo 5.5 R GRX 820, side view

BH

Gravelx Evo 5.5 R GRX 820

High endRaceCarbon700c2026
Mid-rangeRaceCarbon700c2026

Two builds of the BH Gravelx line: 12 differences, mostly in the components.

List price £3,363
List price £3,181

At a glance

  • BH Gravelx Evo 5.5 R GRX 820 costs £182 less than BH Gravelx Evo 4.5 R Apex AXS (list price).
  • BH Gravelx Evo 5.5 R GRX 820 has the higher-range groupset: Shimano GRX 820, against SRAM Apex AXS.
Key specs5 differences
List price £3,363 £3,181 −£182
Model yearSame for all 2026 2026
FrameSame for all Carbon
As printed

Gravel X Carbon Monocoque Racing

Carbon
As printed

Gravel X Carbon Monocoque Racing

Wheelset 700c · Vision Team TC30 XDR Disc 700c · Vision Team TC30 Disc
Drivetrain 1×12 2×12
Groupset SRAM Apex AXS Shimano GRX 820 Higher range
Brake model SRAM Apex Shimano GRX 820 Higher range
SeatpostSame for all Rigid · BH Gravel X °Value not published by the brand Rigid · BH Gravel X °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 Apex AXS

BH Gravelx Evo 4.5 R Apex AXS

BH Gravelx Evo 5.5 R GRX 820

BH Gravelx Evo 5.5 R GRX 820

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 Apex AXS · Gravel bike very demanding, rather high equipment, equipment for the price better than 63% of other race gravel bikes.
  • Gravelx Evo 5.5 R GRX 820 · Gravel bike rather demanding, average equipment, equipment for the price better than 50% of other race gravel bikes.
Terrain
BH Gravelx Evo 4.5 R Apex AXS 88%BH Gravelx Evo 5.5 R GRX 820 63%5 bikes1 bike · BH Gravelx Evo 5.5 R GRX 8201 bike3 bikes · BH Gravelx Evo 4.5 R Apex AXS
EasyDemanding

Equipment level

0255075100£3,000£4,000£5,000£6,000£7,000List priceEquipment score
  • BH Gravelx Evo 2.5 R GRX
  • BH Gravelx Evo 3.5 R GRX Hydra
  • Merida Mission 10k Xplr AXS
  • Merida Mission Force Xplr AXS
  • Merida Mission Grx400
  • Merida Mission Grx825 Di2
  • Merida Mission Rival Xplr AXS
  • BH Gravelx Evo 4.5 R Apex AXS
  • BH Gravelx Evo 5.5 R GRX 820
  • Gravelx Evo 4.5 R Apex AXSEquipment level 67/100 · High end
  • Gravelx Evo 5.5 R GRX 820Equipment level 59/100 · Mid-range
BH Gravelx Evo 4.5 R Apex AXSBH Gravelx Evo 5.5 R GRX 820other 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 typeSame for all Race
As printed

Gravel X Carbon Monocoque Racing

Race
As printed

Gravel X Carbon Monocoque Racing

SuspensionSame for all Rigid °Value not published by the brand Rigid °Value not published by the brand
Frame and fork
ForkSame for all Carbon °Value not published by the brand Carbon °Value not published by the brand
Frame weight 940 g –Not given
Max tyre clearanceSame for all 45 mm 45 mm
Drivetrain7 differences
Groupset brand SRAM
As printed

SRAM Apex AXS

Shimano
As printed

Shimano GRX 820

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 12sp Shimano GRX 820

Chainrings 1 2 +1
Gears at the backSame for all 12 12
Chainring teeth SRAM Apex 40T Shimano GRX 610 46/30T Higher range
Cassette SRAM Apex 10/44 Shimano Ultegra 11/36 Higher range
Rear derailleur SRAM Apex AXS °Value not published by the brand Shimano GRX 820 12sp °Value not published by the brandHigher range
Shifters SRAM Apex AXS °Value not published by the brand Shimano GRX 820 °Value not published by the brandHigher range
Brakes
BrakesSame for all 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 GRX 800 Disque hydraulique

Wheels and tyres
Wheel sizeSame for all 700c / 29"
As printed

Pirelli Cinturato Gravel 700x40

700c / 29"
As printed

Pirelli Cinturato Gravel 700x40

RimsSame for all Aluminium °Value not published by the brand Aluminium °Value not published by the brand
TyresSame for all Pirelli Cinturato Gravel 700x40 Pirelli Cinturato Gravel 700x40
Tyre width fittedSame for all 40 mm 40 mm
Cockpit and seatpost2 differences
Handlebar width 400 mm °Value not published by the brand–Not given
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 BH Lite Gravel °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 FSA NS SMR °Value not published by the brand
Seatpost modelSame for all BH Gravel X °Value not published by the brand BH Gravel X °Value not published by the brand
Geometry
Geometry size MD
As printed

Size MD

–Not given
Stack 556 mm –Not given
Reach 377 mm –Not given
Head angle 71 ° –Not given
Seat angle 73 ° –Not given
Chainstays 426 mm –Not given
Wheelbase 1,019 mm –Not given

° Value not published by the brand

Where to buy them

Frequently asked questions

Which is cheaper, BH Gravelx Evo 4.5 R Apex AXS or BH Gravelx Evo 5.5 R GRX 820?

BH Gravelx Evo 5.5 R GRX 820 has the lower list price: £3,181, against £3,363 for BH Gravelx Evo 4.5 R Apex AXS. Today's prices by frame size are in the prices section.

What groupset do BH Gravelx Evo 4.5 R Apex AXS and BH Gravelx Evo 5.5 R GRX 820 come with?

BH Gravelx Evo 4.5 R Apex AXS: SRAM Apex AXS. BH Gravelx Evo 5.5 R GRX 820: Shimano GRX 820.

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