Trek Madone SL 7 Gen 8

A race-focused road bike from 2025, made in 6 sizes from XS to XL.

Size

Stack 546 mmReach 384 mm

Geometry

Trek Madone SL 7 Gen 8 geometry by frame size
Size
Fit
Stack (mm)How high the front sits	507	530	546	562	582	610
Reach (mm)How far forward the bars start	370	378	384	389	394	402
Stack ÷ reach Higher = more upright	1.37	1.40	1.42	1.44	1.48	1.52
Top tube (effective) (mm)Horizontal top-tube length	517	532	545	557	568	584
Seat tube angle Saddle position over the pedals	73.8°	73.8°	73.6°	73.4°	73.4°	73.4°
Seat tube length (mm)Frame size reference	404	440	476	512	548	609
Head tube length (mm)Front-end height	100	121	136	150	172	201
Standover (mm)Clearance when you stop	704	734	762	790	820	863
Handling
Head tube angle Steeper = quicker steering	71.6°	72.2°	72.9°	73.5°	73.8°	73.9°
Fork offset (mm)Fork rake	50	45	45	40	40	41
Trail (mm)More = steadier steering	61	62	58	59	57	57
Wheelbase (mm)Longer = more stable	971	976	981	980	990	1007
Chainstay (mm)Shorter = snappier	410	410	410	410	411	412
BB drop (mm)More = lower centre of gravity	72	72	70	70	68	68
BB height (mm)Pedal clearance in corners	264	264	266	266	268	268
Front centre (mm)Room for your toes	572	577	582	580	589	604

Underlined values are calculated by BikeLens. A dash means the brand doesn't publish it.

A low, stretched position built for speed. Suits flexible riders who like to ride fast.

Size MD is lower and longer than 62% of the 218 road frames we track.

The closest road frames from other ranges, against size MD here.

Bikes with a similar fit, compared with size MD of this bike
Bike	Size	Stack	Reach
Cervelo R52026Stack −1 mm, reach −1 mm	54	−1 mm	−1 mm
Specialized S-Works Tarmac SL8 LTD - Red Bull TdF2026Stack −2 mm, reach same	54	−2 mm	same
Cervelo S52026Stack −4 mm, reach same	54	−4 mm	same
Giant Propel Advanced 12027Stack same, reach +4 mm	M	same	+4 mm
Giant TCR Advanced SL 0 DA2025Stack −1 mm, reach +4 mm	M	−1 mm	+4 mm
Trek Émonda ALR 52026Stack −5 mm, reach +2 mm	54	−5 mm	+2 mm

These builds share this exact geometry, so they fit the same.

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