Quiver

2025 Orbea Orca M30i vs 2027 Trek Madone SL Gen 8

The Trek Madone SL Gen 8 size closest to your 53 is the M. Compare the M instead

What changes on the Trek Madone SL Gen 8

Compared with the Orbea Orca M30i in 53, the Trek Madone SL Gen 8 in XS places the top of the head tube 45 mm lower and 15 mm further back, relative to the bottom bracket. Its wheelbase is 10 mm shorter, which can contribute to quicker direction changes.

Frame stack
−45 mm
Lower front end
Frame reach
−15 mm
Shorter frame reach
Wheelbase
−10 mm
Shorter: quicker to change direction
Head angle
−1.2°
Slacker: calmer steering
Chainstays
+2 mm
About the same

The two frames

2025 Orbea Orca M30i (53)The Orbea Orca M30i frame drawn to scale.J 981

Only the Orbea Orca M30i is drawn. The Trek Madone SL Gen 8 numbers we have for size XS are missing the seat angle.

Geometry side by side

MeasurementOrbea Orca M30i 53Trek Madone SL Gen 8 XSDifference
Reach385370−15 mm
Stack552507−45 mm
Head tube angle72.871.6°−1.2°
Seat tube angle73.5not listed
Effective top tube548.5517−32 mm
Chainstay length408410+2 mm
Wheelbase981.2971−10 mm
BB drop7072+2 mm
BB height270.5not listed
Standover788.5704−85 mm
Seat tube length500404−96 mm
Fork length365not listed
Head tube length152.9100−53 mm

Differences are the Trek Madone SL Gen 8 minus the Orbea Orca M30i. Full charts: 2025 Orbea Orca M30i, 2027 Trek Madone SL Gen 8.

Where each sits in its class

Orbea Orca M30iTrek Madone SL Gen 8

AggressivePositionUpright
CalmSteeringQuick
PlayfulBalancePlanted

Each bike is ranked against the other road 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.

PartOrbea Orca M30iM30iTrek Madone SL Gen 8SL 6 AXS Gen 8
FrameOrbea ORCAnot listed
ForkOrbea OMR ICRTrek Madone Gen 8
ShifterShimano 105 R7170SRAM Rival AXS E1
DerailleurShimano 105 R7150 Di2SRAM Rival AXS
CassetteShimano 105 R7100SRAM XG1250
ChainShimano Deore M6100not listed
CranksetShimano 105 R7100SRAM Rival AXS
WheelsetOrbea alloyBontrager Aeolus Elite 50
TireVittoria Zafiro VBontrager Aeolus Pro
HubOrbea Thru Axlenot listed
BrakeShimano 105 R7170not listed
RotorShimano 105 R7170SRAM Paceline
HandlebarOrbea RP31-Rnot listed
StemOrbea RP22Trek RCS
HeadsetFSA Integrated Aluminium Cupnot listed
SeatpostSP 0.2Trek Madone
Saddlefizik AlianteBontrager Aeolus Elite
Bottom bracketnot listedSRAM DUB

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