Quiver

2025 Rivendell Atlantis vs 2027 Trek 920 Frameset

The Trek 920 Frameset size closest to your 55 is the 58. Compare the 58 instead

What changes on the Trek 920 Frameset

Compared with the Rivendell Atlantis in 55, the Trek 920 Frameset in 54 places the top of the head tube 34 mm lower and 15 mm further back, relative to the bottom bracket.

Frame stack
−34 mm
Lower front end
Frame reach
−15 mm
Shorter frame reach
Wheelbase
n/a
One of the bikes has no number for this
Head angle
+1.0°
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 55Trek 920 Frameset 54Difference
Reach407392−15 mm
Stack617583−34 mm
Head tube angle7071.0°+1.0°
Seat tube angle72not listed
Effective top tubenot listed562
BB drop8085+5 mm
Standovernot listed760
Seat tube length550490−60 mm
Chainstay lengthnot listed465
Wheelbasenot listed1079
BB heightnot listed283
Head tube lengthnot listed120

Differences are the Trek 920 Frameset minus the Rivendell Atlantis. Full charts: 2025 Rivendell Atlantis, 2027 Trek 920 Frameset.

Where each sits in its class

Rivendell AtlantisTrek 920 Frameset

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 AtlantisAtlantisTrek 920 Frameset
FrameRivendell Atlantisnot listed
Forkthreadednot listed

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