Compare: 2026 Trek Bikes Checkpoint AL3 S vs 2025 TWITTER Bikes Gravel G2 Base S

Insights

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

Design deviates from other sizes of Trek Bikes Checkpoint

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

Design deviates from other sizes of TWITTER Bikes Gravel G2

Stack	566mm	564mm -2mm
Reach	385mm	373mm -12mm
Stack to Reach Ratio	1.47:1	1.51:1
Seat Tube Length, C-T	520mm	—
Seat Tube Length, Unknown	—	450mm
Top Tube Length, Effective/Horizontal Center	548mm	—
Top Tube Length, Effective/Horizontal Unknown	—	535mm
Top Tube Slope	7.2deg	14.8deg +7.6deg
Head Tube Angle	71.6deg	71.8deg +0.2deg
Seat Tube Angle	73.7deg	74deg +0.3deg
Head Tube Length	117mm	140mm +23mm
Bottom Bracket Drop	78mm	70mm -8mm
Bottom Bracket Height	275mm	279mm +4mm
Chainstay Length	435mm	435mm +0mm
Chainstay Length Horizontal	428mm	429.3mm +1.3mm
Front-Center	610.1mm	587mm -23.1mm
Front-Center Horizontal	605.1mm	582.7mm -22.4mm
Wheelbase	1033mm	1012mm -21mm
Fork Offset/Rake	49mm	45mm -4mm
Fork Length, Unknown	—	395mm
Trail	65.8mm high	67.4mm +1.6mm high
Mechanical Trail	62.4mm	64mm +1.6mm
Wheel Flop	19.7mm	20mm +0.3mm
Standover Height	765mm	729mm -36mm
Tire to Pedal Spindle	87.1mm 170 mm cranks	68mm -19.1mm 170 mm cranks
Pedal Spindle to Ground Clearance	105mm 170 mm cranks	109mm +4mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	42mm	38mm -4mm
Tire Outer Diameter	706mm	698mm -8mm
Bike Length with Tires	1739mm	1710mm -29mm
Suspension Type	Rigid, non-suspension corrected	Rigid, non-suspension corrected
Bar Type	Drop Bar	Drop Bar
Frame Material	Aluminum	Aluminum
Fork Material	Carbon/Composite	Carbon/Composite
Brake Type	Disc	Disc

Actions	Collection I've Ridden	Collection I've Ridden
Source	n/a	https://ir-5.ozone.ru/s3/multimedia-1-s/wc1000/7785284248.jpg
Brand	Trek Bikes	TWITTER Bikes
Bike	2026 Checkpoint AL3	2025 Gravel G2 Base
Size	S	S
Category	All-road/Gravel	All-road/Gravel