Trek Émonda ALR 5

A race-focused road bike from 2025, made in 8 sizes from 47 to 62. Fits tyres up to 28 mm.

Size

Stack 541 mmReach 386 mm

Geometry

Trek Émonda ALR 5 geometry by frame size
Size
Fit
Stack (mm)How high the front sits	507	521	533	541	563	581	601	620
Reach (mm)How far forward the bars start	373	378	383	386	391	396	399	403
Stack ÷ reach Higher = more upright	1.36	1.38	1.39	1.40	1.44	1.47	1.51	1.54
Top tube (effective) (mm)Horizontal top-tube length	512	521	534	543	559	574	586	598
Seat tube angle Saddle position over the pedals	74.6°	74.6°	74.2°	73.7°	73.3°	73°	72.8°	72.5°
Seat tube length (mm)Frame size reference	424	453	483	496	525	553	573	593
Head tube length (mm)Front-end height	100	111	121	131	151	171	191	211
Standover (mm)Clearance when you stop	692	711	732	744	768	793	811	829
Handling
Head tube angle Steeper = quicker steering	72.1°	72.1°	72.8°	73°	73.5°	73.8°	73.9°	73.9°
Fork offset (mm)Fork rake	52	45	46	45	40	40	41	40
Trail (mm)More = steadier steering	68	62	58	56	58	57	56	56
Wheelbase (mm)Longer = more stable	972	974	977	981	983	992	1001	1010
Chainstay (mm)Shorter = snappier	410	410	410	410	410	411	411	412
BB drop (mm)More = lower centre of gravity	72	72	72	70	70	68	68	68
BB height (mm)Pedal clearance in corners	264	264	264	266	266	268	268	268
Front centre (mm)Room for your toes	573	575	578	581	583	591	600	607

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 54 is lower and longer than 78% of the 218 road frames we track.

The closest road frames from other ranges, against size 54 here.

Bikes with a similar fit, compared with size 54 of this bike
Bike	Size	Stack	Reach
Cervelo S52026Stack +1 mm, reach −2 mm	54	+1 mm	−2 mm
Trek Madone SLR 6 Gen 72024Stack same, reach same	54cm	same	same
Cube Litening Aero C:68X Race2026Stack +1 mm, reach +3 mm	54	+1 mm	+3 mm
Specialized S-Works Tarmac SL8 LTD - Red Bull TdF2026Stack +3 mm, reach −2 mm	54	+3 mm	−2 mm
Cannondale SystemSix Carbon Ultegra2024Stack −1 mm, reach same	54	−1 mm	same
Giant Propel Advanced 12026Stack +4 mm, reach +2 mm	M	+4 mm	+2 mm

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

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