Trek Checkpoint SLR 6 AXS

An all-road gravel bike from 2024, made in 4 sizes from 52 to 61.

Size

Stack 592 mmReach 407 mm

Geometry

Trek Checkpoint SLR 6 AXS geometry by frame size
Size
Fit
Stack (mm)How high the front sits	553	592	609	639
Reach (mm)How far forward the bars start	399	407	411	417
Stack ÷ reach Higher = more upright	1.39	1.45	1.48	1.53
Top tube (effective) (mm)Horizontal top-tube length	555	584	597	617
Seat tube angle Saddle position over the pedals	73.7°	72.8°	72.5°	72.1°
Seat tube length (mm)Frame size reference	520	560	580	610
Head tube length (mm)Front-end height	105	145	165	195
Standover (mm)Clearance when you stop	765	809	829	859
Handling
Head tube angle Steeper = quicker steering	71.6°	72.2°	72.3°	72.6°
Fork offset (mm)Fork rake	46	45	45	45
Trail (mm)More = steadier steering	71	67	66	65
Wheelbase (mm)Longer = more stable	1033	1048	1058	1070
Chainstay (mm)Shorter = snappier	435	435	435	435
BB drop (mm)More = lower centre of gravity	78	76	74	74
BB height (mm)Pedal clearance in corners	258	260	262	262
Front centre (mm)Room for your toes	610	624	634	646

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

Quick enough for spirited riding, comfortable enough for long days on mixed terrain.

Size 56 is lower and longer than 67% of the 106 gravel frames we track.

The closest gravel frames from other ranges, against size 56 here.

Bikes with a similar fit, compared with size 56 of this bike
Bike	Size	Stack	Reach
Bmc Kaius 01 LTD2025Stack +3 mm, reach +3 mm	58	+3 mm	+3 mm
Specialized Crux Comp - Shimano GRX2026Stack +6 mm, reach −2 mm	58	+6 mm	−2 mm
Canyon Inflite CF SLX 72026Stack +1 mm, reach −5 mm	L	+1 mm	−5 mm
Canyon Grail CF 8 1by2025Stack −1 mm, reach +4 mm	M	−1 mm	+4 mm
Grind TRACE2026Stack −10 mm, reach −3 mm	L	−10 mm	−3 mm
Cervelo Áspero-52026Stack +8 mm, reach −3 mm	58	+8 mm	−3 mm