R5 Disc MK4 (2023) vs. Madone SLR Gen 8 (2025)

Cervélo · Road · 700cManufacturer data · as of Oct 25, 2026Source

Cockpit: 20 mm spacers · 100 mm stem · -6°

SpacersStemAngle °

Saddle: same saddle height · 0 mm setback · centred (default)

Saddle heightSetbackForward (+)/back

Trek · Road · 700cManufacturer data · as of Oct 25, 2026Source

Cockpit: 20 mm spacers · 100 mm stem · -6°

SpacersStemAngle °

Saddle: same saddle height · 0 mm setback · centred (default)

Saddle heightSetbackForward (+)/back

Reach: Horizontal distance from the bottom bracket to the top of the head tube. More reach = more stretched-out position. · grid 10 cm

Madone SLR Gen 8 (2025) M vs. R5 Disc MK4 (2023) 54: 0.6° steeper seat angle

Measure	R5 Disc MK4 (2023) 54	Madone SLR Gen 8 (2025) M
Frame
Stackmm	547	546−1
Reachmm	380	384+4
Stack / Reach	1.44	1.42−0.02
Head angle°	73.0°	72.9°−0.1°
Seat angle°	73.0°	73.6°+0.6°
Head tubemm	137	136−1
Seat tubemm	–	476
Top tube (effective)mm	548	545−3
Chainstaymm	410	410±0
Rear centre (horizontal)mm	404	404±0
Wheelbasemm	977	981+4
Front centremm	578	582+4
BB dropmm	72	70−2
BB heightmm	267	269+2
Fork offsetmm	46	45−1
Trailmm	57	58+1
Fork axle-to-crownmm	–	–
Cockpit & riding position
Bar reachmm	466	470+4
Bar stackmm	604	603−1
Saddle – barmm	677	674−3
Saddle-to-bar dropmm	84	87+3

italic = calculated · tap a row to pin the measure in the drawing · Δ relative to R5 Disc MK4 (2023)

Size finder · transfer your fit

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Saddle

mmmmmm

Cockpit

mmmm°

Saddle: 211 mm behind · 689 mm above BB
Handlebar: 466 mm ahead · 604 mm above BB
Saddle–bar: 677 mm · drop 84 mm

Saddle height: bottom bracket centre to top of saddle along the seat-tube axis. Saddle fore/aft: + forward, − back. Spacers incl. top cap, handlebar centre = stem clamp.

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All frame sizes at a glance

All frame sizes by stack and reach or any other measure – click a dot or line to add the bike to the comparison.

1040 of 1040 sizes · 159 models

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Similar to R5 Disc MK4 (2023) 54

only Road

Similarity over the axes of the geometry profile below; stack and reach count 1.5×. The best-matching size per model, filters are respected.

Geometry profile

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BrandModelModel year *CategoryWheel (front)Wheel rearTyre clearance, max. (mm)Source (manufacturer page with geometry table) *

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Select the table on the manufacturer's page, copy it and paste it here. Sizes as columns or rows, German or English; values like “435/432” for flip chips are recognised.

Sizes (mm / degrees · * required · setting e.g. “High”, “Low”, “Mullet”)

Size*	Setting	Stack*	Reach*	Head ∠ °*	Seat ∠ °*	Head tube*	Chainstay*	BB drop*	BB drop rear	Seat tube	Top tube	Wheelbase	Fork offset	Axle-to-crown	BB height	Front ctr.	Trail	Stem	Spacers