Quiver

2025 Rivendell Atlantis vs 2025 Cervélo Áspero RX827

The Cervélo Áspero RX827 size closest to your 55 is the 61. Compare the 61 instead

What changes on the Cervélo Áspero RX827

Compared with the Rivendell Atlantis in 55, the Cervélo Áspero RX827 in 58 places the top of the head tube 17 mm lower and 3 mm further back, relative to the bottom bracket.

Frame stack
−17 mm
Lower front end
Frame reach
−3 mm
Shorter frame reach
Wheelbase
n/a
One of the bikes has no number for this
Head angle
+1.6°
Steeper: sharper steering
Chainstays
n/a
One of the bikes has no number for this

The two frames

We can't draw these frames yet. The Rivendell Atlantis numbers we have for size 55 are missing the chainstay length and wheelbase. The numbers below still compare.

Geometry side by side

MeasurementRivendell Atlantis 55Cervélo Áspero RX827 58Difference
Reach407404−3 mm
Stack617600−17 mm
Head tube angle7071.6+1.6°
Seat tube angle7272.6+0.6°
Effective top tubenot listed591
BB drop8078−2 mm
Standovernot listed826
Seat tube length550not listed
Chainstay lengthnot listed422.5
Wheelbasenot listed1047
Head tube lengthnot listed177

Differences are the Cervélo Áspero RX827 minus the Rivendell Atlantis. Full charts: 2025 Rivendell Atlantis, 2025 Cervélo Áspero RX827.

Where each sits in its class

Rivendell AtlantisCervélo Áspero RX827

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.

PartRivendell AtlantisAtlantisCervélo Áspero RX827GRX RX827 Di2
FrameRivendell Atlantisnot listed
Forkthreadednot listed
Cassettenot listedShimano GRX
Cranksetnot listedShimano GRX
Wheelsetnot listedReserve 40|44TA GR
Handlebarnot listedCervélo Carbon
Seatpostnot listedCervélo Carbon

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