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Aurum Essentia vs Berria Belador BR

Pick up to 4 bikes. Rows line up component by component. Highlighted rows differ, and green marks the best value where lower or higher is clearly better.

Key differences

  • The Aurum Essentia starts €79 cheaper (€5,020 vs €5,099 for the Berria Belador BR).
  • Our verdict scores the Berria Belador BR higher overall: 78/100 vs 74/100.
  • Tire clearance: up to 30 mm on the Aurum Essentia vs 32 mm on the Berria Belador BR.
Aurum Essentia
Berria Belador BR
Bike comparison
AurumEssentiaBerriaBelador BR
Overview
BrandAurumBerria
BuildESSENTIA Ultegra Di2 / Zipp 404 SBelador BR Ultegra Di2
Build notesAURUM's English page lists this build 'from €4,149 (tax excl.)'; the Spanish page shows €5,020.29, i.e. with 21% VAT, which is recorded here. The online configurator says the 2026 ESSENTIA range will be added soon, so no configured totals or other wheel options are priced yet. No power meter.Price for the Naked Carbon-Cuprum RS 'Collection' paint. Berria's shop lists €5,189-5,689 for the two IRIS Select paints (varying by size) and €5,394 for a custom paint. Berria doesn't name the tyres. Model code PT27.10.06.
Price (MSRP)€5,020€5,020€5,020€5,099€5,099€5,099
Model year20262027
Generation—Belador 6G
Launched—2024-10
DisciplineAero roadAero road
UCI legalNot statedNot stated
Verdict (out of 100)
Overall score7478
Aero7278
Frame7086
Components7680
Fit7272
Practicality6666
Price8786
Frame & fork
Frame materialCarbon (AURUM ECT-9 laminate, up to five types of carbon fibre around an EPS core)Carbon (UHM3X: Toray T800 and T1100G high-modulus with M55J ultra-high-modulus fibre; triple monocoque with EPS cores)
Fork materialCarbon (AURUM ESSENTIA ECT-9), 28.6 mm round steerer, asymmetric legsCarbon (Belador Blade 6 BR, internal routing)
Frame weight—720 g25.4 oz
Fork weight—340 g12 oz
Weight measured on—Berria claim for the BR frame and fork; size not stated
Frame sizes48, 51, 54, 56, 58XS (51), S (53), M (55), L (57), XL (59)
Colours—Naked Carbon-Cuprum RS; IRIS Select paints Naked Carbon-Hunter Green-Cuprum RS and Naked Carbon-Brushed Chrome; custom paint
Also available as—Lower-priced Belador Pro and Belador Essential grades in HM2X carbon (separate files berria-belador-pro and berria-belador-essential)
UCI frame approval—Approved 20 Mar 2024 as 'BELADOR 6G' (fork 'BELADOR 6G FORK'), sizes XS - L (4), code BERRIA-BEL6 (UCI list version 2026.10.02). Berria sells an XL (59) as well.
Compatibility & standards
Brake typeHydraulic disc, flat mountHydraulic disc, flat mount
Wheel size700c700c
Max tire width30 mm32 mm
Bottom bracket standardBB386 EVO press-fitT47
Front axle12 mm thru-axle (AURUM CNC Stealth, 122 x 12)12x100 thru-axle
Rear axle12 mm thru-axle (AURUM CNC Stealth, 163 x 12)12x142 thru-axle
Drivetrain compatibilityElectronic groupsets only—
Mechanical shifting possibleNo—
Cable routingFully internal (AURUM Head Tunnel)Fully internal (Berria ICS2)
Fit & adjustability
CockpitOne-piece AURUM carbon monocoque bar and stemOne-piece Avanforce Airone carbon bar and stem with ICS2 internal routing and GPS mount
Seatpost typeRound carbon 27.2 mm seatpost with an integrated clamp under a rubber capBelador 6 SP aero carbon seatpost, 0 or 20 mm offset
Fit notes—Avanforce Airone cockpit in five width/stem combinations from 380x90 to 420x120 mm. Rider heights per size from Berria's size selector.
Aerodynamics
Manufacturer aero claimsAURUM lists aerodynamics among the frame's aims but publishes no figures for the ESSENTIABerria: 3% less drag (4 W at 50 km/h) in a headwind and 11% less (10 W at 50 km/h) in a crosswind, from wind-tunnel tests at the Politecnico di Milano; the frame, fork and bar together account for the 4 W head-on
Testing methodNone publishedWind tunnel (Politecnico di Milano)
Tube profileNACA truncated aero profiles with a size-specific aero down tube; raised seat staysSmaller tube sections with less frontal area ('Aero Shape Efficiency' shaping)
Travel, maintenance & warranty
Headset bearingsTapered 1-1/8 in to 1-3/8 in, stainless-steel angular-contact bearingsOversized semi-integrated (O2HS), 1-1/2 in upper and lower
Derailleur hanger—UDH (SRAM Universal Derailleur Hanger)
Proprietary parts—One-piece Avanforce Airone cockpit, Belador 6 SP seatpost
Frame warranty—8-year limited frame warranty if the bike is registered within 30 days (otherwise the legal warranty only); 3 years on the fork and on Avanforce bars and seatposts; racing use voids the warranty
Sold viaDirect online at aurumbikes.com and through AURUM dealersOnline at berriabikes.com and through Berria dealers
Drivetrain
GroupsetShimano Ultegra Di2 R8100Shimano Ultegra Di2 R8100
Launched2021 · current generation2021 · current generation
Speeds12-speed12-speed
ElectronicYesYes
Drivetrain2x122x
ShiftersShimano Ultegra Di2 ST-R8170Shimano Ultegra Di2 ST-R8170
CranksetShimano Ultegra R8100Shimano Ultegra R8100
Chainrings52/3652/36
Crank lengths available—170, 172.5 or 175 mm
Bottom bracketRotor PF4624Shimano T47
StandardBB386 EVO press-fitT47
Front derailleurShimano Ultegra Di2 R8150Shimano Ultegra Di2 R8150
Rear derailleurShimano Ultegra Di2 R8150Shimano Ultegra Di2 R8150
CassetteShimano Ultegra R8100Shimano Ultegra R8100
Range11-3011-34
Speeds12-speed12-speed
ChainShimano UltegraShimano CN-M7100
Brakes
Brake calipersShimano Ultegra BR-R8170Shimano Ultegra BR-R8170
TypeHydraulic discHydraulic disc
RotorsShimano Ultegra—
Front rotor160 mm—
Rear rotor140 mm—
Wheels & tires
WheelsetZipp 404 SVision TC45
Front rim depth—45 mm
Rear rim depth—45 mm
Internal rim width—23 mm
MaterialCarbonCarbon
Tubeless ready—Yes
Notes—Center Lock rotor mount
TiresVittoria Corsa N.EXT TLR—
Tire width28 mm—
Cockpit
HandlebarAURUM Integrated HandlebarAvanforce Airone
TypeOne-piece carbon monocoque bar and stemOne-piece carbon bar and stem
Integrated stemYesYes
Widths available—380x90, 400x100, 400x110, 420x110 and 420x120 mm (width x stem length)
Cable routing—Fully internal (ICS2)
MaterialCarbonCarbon
Weight—290 g10.2 oz
Notes—Berria's own component brand; GPS mount included. Weight is Berria's claim from the Belador page; it doesn't say which size.
Saddle & seatpost
SaddlePrologo Scratch M5 Pass TiroxFizik Vento Argo X5
Saddle width—140 mm
Saddle length—265 mm
Rails—Steel, 7x7 mm
SeatpostAURUM Round carbon 27.2 mmBerria Belador 6 SP
Offset / setback—0 or 20 mm
MaterialCarbonCarbon (UD)
Notes—Aero seatpost; Berria quotes 87 g on one part of its Belador page and 90 g on another.
Bar tapeAURUM Experience—
Thickness3 mm—
Included extras
Bottle cagesAURUM Carbon—
Geometry (smallest – largest size)
Sizes48, 51, 54, 56, 58XS (51), S (53), M (55), L (57), XL (59)
Rider height min152–180 cm5′0″–5′11″155–192 cm5′1″–6′4″
Rider height max163–188 cm5′4″–6′2″165–192 cm5′5″–6′4″
Stack505–592 mm19.9–23.3″518–590 mm20.4–23.2″
Reach371–401 mm14.6–15.8″369–418 mm14.5–16.5″
Seat tube angle73.3–75°73.7–74.9°
Head tube angle71.8–73.2°70.5–73°
Head tube length103–189 mm4.1–7.4″110–180 mm4.3–7.1″
Effective top tube506–579 mm19.9–22.8″510–590 mm20.1–23.2″
Seat tube length435–549 mm17.1–21.6″445–565 mm17.5–22.2″
Chainstay408–410 mm16.1–16.1″405 mm15.9″
Wheelbase967–1,008 mm38.1–39.7″970–1,018 mm38.2–40.1″
BB drop71–74 mm2.8–2.9″72–74 mm2.8–2.9″
Fork length370 mm14.6″375 mm14.8″
Fork offset44–50 mm1.7–2″42 mm1.7″
Trail58–60 mm2.3–2.4″62–83 mm2.4–3.3″
Front centre570–608 mm22.4–23.9″—
Standover721–826 mm28.4–32.5″—
Wheel size700c700c
Handlebar reach80 mm3.1″—
Handlebar drop125 mm4.9″—

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Aurum Essentia · 54Berria Belador BR · M (55)