Quiver

2025 Marin Gestalt vs 2025 3T Exploro Ultra 700c

The 58 is the 3T Exploro Ultra 700c size closest to your 56 Marin Gestalt. We match frame stack and reach. This is a geometry comparison, not a fit recommendation; stem, spacers, handlebars and saddle setup also affect your riding position.

What changes on the 3T Exploro Ultra 700c

Compared with the Marin Gestalt in 56, the 3T Exploro Ultra 700c in 58 places the top of the head tube 3 mm higher and about as far forward, relative to the bottom bracket.

Frame stack
+3 mm
Higher front end
Frame reach
+1 mm
About the same 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

2025 Marin Gestalt (56)The Marin Gestalt frame drawn to scale.J 1040

Only the Marin Gestalt is drawn. The 3T Exploro Ultra 700c numbers we have for size 58 are missing the seat angle, chainstay length and wheelbase.

Geometry side by side

MeasurementMarin Gestalt 563T Exploro Ultra 700c 58Difference
Reach387388+1 mm
Stack601604+3 mm
Head tube angle71.572.5+1.0°
Seat tube angle73.5not listed
Effective top tube565not listed
Chainstay length432not listed
Wheelbase1040not listed
BB drop7875−3 mm
Standover775not listed
Seat tube length520not listed
Fork lengthnot listed375
Head tube lengthnot listed196

Differences are the 3T Exploro Ultra 700c minus the Marin Gestalt. Full charts: 2025 Marin Gestalt, 2025 3T Exploro Ultra 700c.

Where each sits in its class

Marin Gestalt3T Exploro Ultra 700c

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.

PartMarin Gestalt13T Exploro Ultra 700cGRX 1X12 700c
FrameMarin Gestalt3T Exploro Ultra
ForkMarin Full Carbon w/ Tapered Steerer, 12mm Thru-AxleFango Ultra
ShifterShimano SoraShimano GRX Di2
DerailleurShimano SoraShimano GRX Di2
CassetteSunRace 9-Speed, 11-32TShimano XT M8100
CranksetShimano Sora R345Shimano GRX FC-RX600
WheelsetMarin Aluminum double-wall rims, 21mm inner, 22mm tallFulcrum Rapid 900
TireWTB Exposure Compvariable
BrakeTektro MD-C550Shimano GRX Di2
HandlebarMarin Butted Alloy, Compact 16º Flared Drop3T variable
SeatpostMarin Alloy, 27.2mm3T round
SaddleMarin Beyond Road Concept Elitevariable
Stemnot listed3T Apto Stealth

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