Quiver

2024 Ridley Grifn RS GRX800 vs 2026 Cervélo Áspero RX825

The Cervélo Áspero RX825 size closest to your S is the 54. Compare the 54 instead

What changes on the Cervélo Áspero RX825

Compared with the Ridley Grifn RS GRX800 in S, the Cervélo Áspero RX825 in 48 places the top of the head tube 58 mm lower and 13 mm further back, relative to the bottom bracket. Its wheelbase is 15 mm shorter, which can contribute to quicker direction changes.

Frame stack
−58 mm
Lower front end
Frame reach
−13 mm
Shorter frame reach
Wheelbase
−15 mm
Shorter: quicker to change direction
Head angle
−1.0°
Slacker: calmer steering
Chainstays
+5 mm
Longer: more planted

The two frames

2024 Ridley Grifn RS GRX800 (S) and 2026 Cervélo Áspero RX825 (48), lined up at the bottom bracketBoth frames drawn to scale. The Ridley Grifn RS GRX800 is drawn in full with its measurements, and the Cervélo Áspero RX825 is the colored outline on top.J 1005

Ridley Grifn RS GRX800, SCervélo Áspero RX825, 48Drawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementRidley Grifn RS GRX800 SCervélo Áspero RX825 48Difference
Reach383370−13 mm
Stack563505−58 mm
Head tube angle7271−1.0°
Seat tube angle7474.5+0.5°
Effective top tube545not listed
Chainstay length420425+5 mm
Wheelbase1005990−15 mm
BB dropnot listednot listed
Standover790681−109 mm
Seat tube length500not listed
Head tube lengthnot listed83

Differences are the Cervélo Áspero RX825 minus the Ridley Grifn RS GRX800. Full charts: 2024 Ridley Grifn RS GRX800, 2026 Cervélo Áspero RX825.

Where each sits in its class

Ridley Grifn RS GRX800Cervélo Áspero RX825

AggressivePositionUpright
CalmSteeringQuick
PlayfulBalancePlanted

Each bike is ranked against the other gravel bikes on Quiver, on frame geometry alone. Not your hand position or ride feel.

What each ships with

The stock build of each bike's first listed trim. Parts that match are dimmed.

PartRidley Grifn RS GRX800GRX800 DI2Cervélo Áspero RX825GRX RX825 Di2
FrameRidley Grifn RSCervélo Áspero
Fork4za AllRoad RSnot listed
ShifterShimano GRX Di2Shimano GRX RX825 Di2
DerailleurShimano GRX Di2Shimano GRX RX825 Di2
CassetteShimano UltegraShimano 10-51T, 12-speed
CranksetShimano GRX RX820Shimano GRX FC-RX600
ChainringShimano GRX RX820not listed
WheelsetDT Swiss GRC1600Reserve 40|44TA GR
TireVittoria Terreno Drynot listed
Handlebar4za Nimbus Pronot listed
StemForza Cirrus Pro Integrated Flarednot listed
SeatpostForza Aeronot listed
SaddleSelle Italia SLR Advan L3not listed
Bottom bracketnot listedCervélo T47a

Know what is on every bike.

Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.

Explore the app
A Transition Relay build sheet: frame, fork, shock and drivetrainThe Relay’s ride photo galleryThe Relay’s ride spectrum and 2D frame geometryThe garage: five bikes and 99 recorded partsA Specialized Tarmac SL8 road build sheet