Compare: 2026 Trek Bikes Checkpoint AL3 XS vs 2026 evolve CIMA GR Base M

Insights

Somewhat aggressive stack and reach vs trend of all-road/gravel bikes

Design deviates from other sizes of Trek Bikes Checkpoint

Somewhat upright stack and reach vs trend of progressive gravel bikes

Design deviates from other sizes of evolve CIMA GR

Stack	545mm	556mm +11mm
Reach	380mm	384mm +4mm
Stack to Reach Ratio	1.43:1	1.45:1
Seat Tube Length, C-T	490mm	—
Seat Tube Length, C-TTT	—	480mm
Top Tube Length, Effective/Horizontal Center	536mm	—
Top Tube Length, Effective/Horizontal Unknown	—	543mm
Top Tube Slope	8.2deg	8.2deg +0deg
Head Tube Angle	71.2deg	71deg -0.2deg
Seat Tube Angle	74.1deg	74deg -0.1deg
Head Tube Length	96mm	126mm +30mm
Bottom Bracket Drop	78mm	80mm +2mm
Bottom Bracket Height	275mm	281mm +6mm
Chainstay Length	435mm	425mm -10mm
Chainstay Length Horizontal	428mm	417.4mm -10.6mm
Front-Center	602.1mm	610mm +7.9mm
Front-Center Horizontal	597.1mm	604.6mm +7.5mm
Wheelbase	1025mm	1022mm -3mm
Fork Offset/Rake	49mm	54mm +5mm
Fork Length (Axle-To-Crown)	—	395mm
Trail	68.4mm high	67.2mm -1.2mm high
Mechanical Trail	64.8mm	63.5mm -1.3mm
Wheel Flop	20.9mm	20.7mm -0.2mm
Standover Height	735mm	782mm +47mm
Tire to Pedal Spindle	79.1mm 170 mm cranks	79mm -0.1mm 170 mm cranks
Pedal Spindle to Ground Clearance	105mm 170 mm cranks	111mm +6mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	42mm	50mm +8mm
Tire Width Max	50mm	—
Tire Outer Diameter	706mm	722mm +16mm
Bike Length with Tires	1731mm	1744mm +13mm
Suspension Type	Rigid, non-suspension corrected	Rigid, non-suspension corrected
Bar Type	Drop Bar	Drop Bar
Frame Material	Aluminum	Carbon/Composite
Fork Material	Carbon/Composite	Carbon/Composite
Brake Type	Disc	Disc