Quiver

2020 Specialized Allez Sprint Disc Down Under Collection vs 2018 Trek Madone Frameset

The 50 is the Trek Madone Frameset size closest to your 49.0 Specialized Allez Sprint Disc Down Under Collection. 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 Trek Madone Frameset

Compared with the Specialized Allez Sprint Disc Down Under Collection in 49.0, the Trek Madone Frameset in 50 places the top of the head tube 4 mm higher and 8 mm further forward, relative to the bottom bracket. Its wheelbase is 8 mm longer, which can contribute to stability at speed.

Frame stack
+4 mm
Higher front end
Frame reach
+8 mm
Longer frame reach
Wheelbase
+8 mm
Longer: steadier at speed
Head angle
−0.2°
About the same head angle
Chainstays
±0 mm
About the same

The two frames

2020 Specialized Allez Sprint Disc Down Under Collection (49.0)The Specialized Allez Sprint Disc Down Under Collection frame drawn to scale.J 966

Only the Specialized Allez Sprint Disc Down Under Collection is drawn. The Trek Madone Frameset numbers we have for size 50 are missing the seat angle.

Geometry side by side

MeasurementSpecialized Allez Sprint Disc Down Under Collection 49.0Trek Madone Frameset 50Difference
Reach375mm383+8 mm
Stack507mm511+4 mm
Head tube angle72.25°72.1°−0.2°
Seat tube angle74°not listed
Chainstay length410mm410±0 mm
Wheelbase966mm974+8 mm
BB drop69mm72+3 mm
BB height271mmnot listed
Standover730mm696−34 mm
Seat tube length460mm453−7 mm
Fork length363mmnot listed
Head tube length110mm100−10 mm
Effective top tubenot listed522

Differences are the Trek Madone Frameset minus the Specialized Allez Sprint Disc Down Under Collection. Full charts: 2020 Specialized Allez Sprint Disc Down Under Collection, 2018 Trek Madone Frameset.

Where each sits in its class

Specialized Allez Sprint Disc Down Under CollectionTrek Madone Frameset

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.

PartSpecialized Allez Sprint Disc Down Under CollectionDisc Down Under CollectionTrek Madone Frameset9 Frameset
SeatpostSpecialized Allez SprintTrek Madone
Framenot listedTrek OCLV
Forknot listedTrek Madone KVF
Brakenot listedTrek Madone
Headsetnot listedTrek Madone

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