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TREK Checkpoint ALR Gen 3 / 2026

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Geometry

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	XS	S	M	ML	L	XL
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Reach	424	314	455	404	405	441
Stack	540	628	493	575	731	552
Top Tube (effective)	632	459	537	592	625	513
Seat Tube C-T	432
Seat Tube C-C	45	44	58	64	57	49
Head Angle	72	72	62	77	76	66
Seat Angle	83	86	66	65	80	72
Head Tube	10	12	13	15	16	23
Chainstay	498	468	434	494	447	391
Wheelbase	978	1089	1130	1175	1210	996
Standover	721	839	886	760	707	853
BB Drop	66	82	67	75	63	68
Fork Rake / Offset	56	57	54	56	57	45
Trail	65	57	62	63	69	67
Wheel Size	700c	700c	700c	700c	700c	700c
Data Source	Manufacturer	Manufacturer	Manufacturer	Manufacturer	Manufacturer	Manufacturer

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