2026 Trek Bikes Checkpoint Gen 3 SL

	XS	S	M	ML	ML	L	XL
Stack	535mm	556mm	579mm	601mm	601mm	620mm	640mm
Reach	380mm	386mm	391mm	397mm	397mm	402mm	408mm
Stack to Reach Ratio	1.41:1	1.44:1	1.48:1	1.51:1	1.51:1	1.54:1	1.57:1
Seat Tube Length, C-T	445mm	480mm	505mm	530mm	530mm	550mm	575mm
Seat Tube Length, Effective Unknown	72.7mm	73mm	72.8mm	72.8mm	—	72.8mm	72.8mm
Top Tube Length, Effective/Horizontal Center	536mm	547mm	566mm	578mm	—	589mm	601mm
Top Tube Length, Effective/Horizontal Unknown	—	—	—	—	578mm	—	—
Top Tube Slope	12deg	10.3deg	10.1deg	9.7deg	9.7deg	9.5deg	8.9deg
Head Tube Angle	71deg	71.4deg	71.6deg	72deg	72deg	72.1deg	72.4deg
Seat Tube Angle	74deg	74deg	73.3deg	73.3deg	73.3deg	73.3deg	73.3deg
Head Tube Length	86mm	106mm	130mm	151mm	151mm	171mm	191mm
Bottom Bracket Drop	76mm	76mm	76mm	76mm	76mm	76mm	76mm
Bottom Bracket Height	277mm	277mm	277mm	277mm	273mm	277mm	277mm
Chainstay Length	430mm	430mm	430mm	430mm	430mm	430mm	430mm
Chainstay Length Horizontal	423.2mm	423.2mm	423.2mm	423.2mm	423.2mm	423.2mm	423.2mm
Front-Center	594.7mm	603.6mm	615.5mm	623.4mm	623.4mm	633.4mm	643.3mm
Front-Center Horizontal	589.8mm	598.8mm	610.8mm	618.8mm	618.8mm	628.8mm	638.8mm
Wheelbase	1013mm	1022mm	1034mm	1042mm	1042mm	1052mm	1062mm
Fork Offset/Rake	49mm	49mm	49mm	49mm	49mm	49mm	49mm
Trail	69.7mm high	67.1mm high	65.8mm high	63.2mm mid/neutral	61.9mm mid/neutral	62.5mm mid/neutral	60.6mm mid/neutral
Mechanical Trail	65.9mm	63.6mm	62.4mm	60.1mm	58.9mm	59.5mm	57.7mm
Wheel Flop	21.5mm	20.3mm	19.7mm	18.6mm	18.2mm	18.3mm	17.5mm
Standover Height	746mm	772mm	799mm	813mm	81.3mm	837mm	861mm
Tire to Pedal Spindle	76.7mm 165 mm cranks	85.6mm 165 mm cranks	92.5mm 170 mm cranks	97.9mm 172.5 mm cranks	101.9mm 172.5 mm cranks	107.9mm 172.5 mm cranks	115.3mm 175 mm cranks
Pedal Spindle to Ground Clearance	112mm 165 mm cranks	112mm 165 mm cranks	107mm 170 mm cranks	104.5mm 172.5 mm cranks	100.5mm 172.5 mm cranks	104.5mm 172.5 mm cranks	102mm 175 mm cranks

	XS	S	M	ML	ML	L	XL
Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	42mm	42mm	42mm	42mm	38mm	42mm	42mm
Tire Width Max	50mm	50mm	50mm	50mm	50mm	50mm	50mm
Tire Outer Diameter	706mm	706mm	706mm	706mm	698mm	706mm	706mm
Bike Length with Tires	1719mm	1728mm	1740mm	1748mm	1740mm	1758mm	1768mm
Crank Length	165mm	165mm	170mm	172.5mm	172.5mm	172.5mm	175mm
Handlebar Width	40cm	40cm	42cm	42cm	42cm	44cm	46cm
Stem Length	70mm	80mm	80mm	90mm	90mm	90mm	100mm
Stem Angle	7deg	7deg	7deg	7deg	7deg	7deg	7deg

Published Sizing Recommendations

Height

143 cm

158 cm

164 cm

177 cm

188 cm

5 ft 10 in

6 ft 2 in

188 cm

194 cm

203 cm

Very Upright

Somewhat Upright

Average

Somewhat Aggressive

Very Aggressive

The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.

Learn more about the Upright/Aggressive Scale

Category Trend

Progressive Gravel

Source:https://www.trekbikes.com/ca/en_CA/bikes/adventure-touring-bikes/checkpoint/checkpoint-sl/checkpoint-sl-6-axs-gen-3, https://www.trekbikes.com/us/en_US/bikes/bikepacking-touring-bikes/checkpoint/checkpoint-sl/f/F224-1/checkpoint-sl-7-axs-gen-3/55097/5334686?aid%5B39899%5D=122747&step=2&aid%5B39902%5D=122765&aid%5B42809%5D=131074&section=QUESTIONNAIRE

Suggest Bike Edit

2026 Trek Bikes Checkpoint Gen 3 SL

Geometry

SL Build

Published Sizing Recommendations

Stack and Reach vs. Category Trend