Trek Checkpoint SL 6 AXS

An all-road gravel bike from 2023, made in 2 sizes from 56 to 61.

Size

Stack 592 mmReach 407 mm

Geometry

Trek Checkpoint SL 6 AXS geometry by frame size
Size
Fit
Stack (mm)How high the front sits	592	639
Reach (mm)How far forward the bars start	407	417
Stack ÷ reach Higher = more upright	1.45	1.53
Top tube (effective) (mm)Horizontal top-tube length	590	623
Seat tube angle Saddle position over the pedals	72.8°	72.1°
Seat tube length (mm)Frame size reference	560	610
Head tube length (mm)Front-end height	145	195
Standover (mm)Clearance when you stop	809	859
Handling
Head tube angle Steeper = quicker steering	72.2°	72.6°
Fork offset (mm)Fork rake	45	45
Trail (mm)More = steadier steering	67	65
Wheelbase (mm)Longer = more stable	1048	1070
Chainstay (mm)Shorter = snappier	435	435
BB drop (mm)More = lower centre of gravity	76	74
BB height (mm)Pedal clearance in corners	260	262
Front centre (mm)Room for your toes	624	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