Trek Checkpoint ALR 2025 Size Chart

Complete geometry chart for the 2025 Checkpoint ALR. This model is available in 6 sizes: 49cm, 52cm, 54cm, 56cm, 58cm, 61cm. Our table below details stack, reach, top tube, and standover heights for every frame size to help you find your perfect fit.

2025 Checkpoint ALR Specs

Size	Stack	Reach	Top Tube	Head Angle	Seat Angle	Seat Tube	Standover	Wheelbase	Head Tube
49cm	538 mm	393 mm	541 mm	71.2°	74.1°	490 mm	735 mm	1025 mm	90 mm
52cm	553 mm	399 mm	555 mm	71.6°	73.7°	520 mm	765 mm	1033 mm	105 mm
54cm	571 mm	403 mm	570 mm	71.8°	73.2°	540 mm	789 mm	1041 mm	125 mm
56cm	592 mm	407 mm	584 mm	72.2°	72.8°	560 mm	809 mm	1048 mm	145 mm
58cm	609 mm	411 mm	597 mm	72.3°	72.5°	580 mm	829 mm	1058 mm	165 mm
61cm	639 mm	417 mm	617 mm	72.6°	72.1°	610 mm	859 mm	1070 mm	195 mm

Bicycle Geometry Measurement Reference Guide

Visual guide for the specs above.