Compare: 2026 XMCS Aero Gravel Base L vs 2026/v2 XDS X-LAB GT8 Base L

Insights

Somewhat upright stack and reach vs trend of progressive gravel bikes

Design deviates from other sizes of XMCS Aero Gravel

Somewhat upright stack and reach vs trend of progressive gravel bikes

Stack	588mm	584mm -4mm
Reach	406mm	392mm -14mm
Stack to Reach Ratio	1.45:1	1.49:1
Seat Tube Length, C-T	—	491mm
Seat Tube Length, Unknown	530mm	—
Top Tube Length, Effective/Horizontal HT Top	—	566mm
Top Tube Length, Effective/Horizontal Unknown	575mm	—
Top Tube Slope	8.1deg	12deg +3.9deg
Head Tube Angle	71.2deg	71deg -0.2deg
Seat Tube Angle	74deg	74deg +0deg
Head Tube Length	156mm	140mm -16mm
Bottom Bracket Drop	80mm	80mm +0mm
Bottom Bracket Height	288mm	276mm -12mm
Chainstay Length	425mm	435mm +10mm
Chainstay Length Horizontal	417.4mm	427.6mm +10.2mm
Front-Center	645mm	624mm -21mm
Front-Center Horizontal	637.6mm	618.4mm -19.2mm
Wheelbase	1055mm	1046mm -9mm
Fork Offset/Rake	55mm	50mm -5mm
Fork Length, Unknown	400mm	—
Trail	67.2mm high	69.7mm +2.5mm high
Mechanical Trail	63.6mm	65.9mm +2.3mm
Wheel Flop	20.5mm	21.5mm +1mm
Standover Height	—	773mm
Tire to Pedal Spindle	107mm 170 mm cranks	98mm -9mm 170 mm cranks
Pedal Spindle to Ground Clearance	118mm 170 mm cranks	106mm -12mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	57mm	45mm -12mm
Tire Outer Diameter	736mm	712mm -24mm
Bike Length with Tires	1791mm	1758mm -33mm
Suspension Type	Rigid, non-suspension corrected	Rigid, non-suspension corrected
Bar Type	Drop Bar	Drop Bar
Frame Material	Carbon/Composite	Carbon/Composite
Fork Material	Carbon/Composite	Carbon/Composite
Brake Type	Disc	Disc

Actions	Collection I've Ridden	Collection I've Ridden
Source	https://chinertown.com/index.php/topic,6967.75.html	https://xds.co/en-us/products/gt8#product-geometry
Brand	XMCS	XDS X-LAB
Bike	2026 Aero Gravel Base	2026/v2 GT8 Base
Size	L	L
Category	Progressive Gravel	Progressive Gravel