2024 Cervélo

Áspero GRX RX820

A carbon frame gravel bike with high-end components and hydraulic disc brakes.
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Manufacturer Price

$4,000
FrameCarbon
SuspensionRigid
ForkCarbon
Wheels700c Aluminum
Drivetrain2 × 12
GroupsetGRX 800
BrakesHydraulic Disc
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Insights
Ride Feel

Based on frame geometry and build specs.

Rider Position
relaxedaggressive
Terrain
smoothrugged
Áspero GRX RX820
Other Gravel bikes
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

38 mph

Áspero GRX RX820

36 mph

Similar Bikes

Highest gear

(descending)

Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

Compare the full Áspero model range

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Price History
Reviews
Bicycling
First Ride: Cervélo Polishes Its Áspero Gravel Bike

Apr 2024

Refinements for 2024 to Cervélo’s fast-gravel platform include new geometry, increased aerodynamics, and better tire clearance.

Highs
  • Optimized for speed and gravel racing

  • More tire and chainring clearance

  • No suspension or mounts for bags

Lows
  • No suspension or mounts for bags

Read Review

Bikerumor
2024 Cervélo Áspero Gravel Bike Tweaked to Go Faster with Bigger Tires & a T47 BB

Apr 2024 · Cory Benson

A new Cervelo Aspero gravel race bike bring more speed and versatility with aero updates, integration, bigger tire clearance & a T47 BB…

Read Review

BikeRadar
Cervélo Áspero Rival XPLR AXS review

Apr 2024 · Warren Rossiter

More comfort means more speed, according to Cervélo

Highs
  • Road bike ride position is balanced with a comfortable ride

  • Great specification especially the wheels

Lows
  • Not one for more extreme technical trails

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Cyclist
Cervélo Áspero gravel bike review

Apr 2024 · Laurence Kilpatrick

The Cervélo Áspero is one half of the US brand’s gravel offering, providing a more affordable carbon-framed gravel bike that

Highs
  • Versatile

  • Comfortable to ride

  • Increased tyre and chainring clearance

  • Fast on gravel and road surfaces

Lows
  • Minimal mounts

  • Better on smoother surfaces

  • Flip-chip not hugely noticeable

Read Review

Gran Fondo Magazine
Cervélo Áspero GRX RX815 Di2 gravel bike in review

May 2022 · By

The Cervélo Áspero GRX RX815 Di2 is designed for racing and made for gravel fans who love speed and chasing KOMs. Nevertheless, with an electronic 2x drivetrain and a classic two-piece cockpit, it should maintain good all-round capabilities. Our group test pits it against 18 of the best gravel bikes of the season to reveal whether this is the case.

Highs
  • Performance and ergonomics of the Shimano GRX RX815 Di2 drivetrain

  • Generous protection on the down tube

  • Carving fun on hardpack

  • Brilliant paint job

Lows
  • Vague handling when riding slowly

  • Limited mounting points

Read Review

Velo
Cervélo Áspero-5 review: A purebred gravel race bike

Apr 2021 · Ben Delaney

The wind tunnel meets the windswept plains in Cervélo's hyper-aero gravel racer.

Read Review

Geometry
99 Spokes on YouTube99 Spokes on YouTube
Specs
Build
Frame

Carbon fiber

BB StandardT47, Threaded

ColorsSea Ice; Woodsmoke

Fork

Cervélo All-Carbon, Tapered Aspero Fork

Bottom Bracket

FSA, T47 BBright, 24mm spindle

Headset

FSA IS2 1-1/4 x 1-1/2

Stem

Cervélo ST36 Alloy, w Cable Management

Handlebar

Cervélo AB09 Carbon, 31.8mm clamp, 16 degree flare

Saddle

Prologo Dimension NDR T4.0

Seatpost

Cervélo SP19 Carbon 27.2

TypeRigid

Groupset
Rear Derailleur

Shimano GRX, RX820, 12 speed

Front Derailleur

Shimano GRX, RX820, 12 speed

Crank

Shimano GRX 820, 48/31T, 12 Speed

Shifters

Shimano GRX, RX820, 12 speed

Cassette

Shimano HG710, 11-36, 12 speed

Chain

Shimano M8100, 12 speed

Brakes

Shimano GRX RX820

TypeHydraulic Disc

Wheels
Rims

Fulcrum Rapid Red 300, 12x100(F)/142(R), 24H, 24mm IW, HG freehub, centerlock, tubeless compatible

Tires

WTB Vulpine TCS Light Fast Rolling Dual DNA 60tpi 700x40c

Rider Notes
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Last updated June 28