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

Insights

Average 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	568mm	565mm -3mm
Reach	395mm	384mm -11mm
Stack to Reach Ratio	1.44:1	1.47:1
Seat Tube Length, C-T	—	471mm
Seat Tube Length, Unknown	490mm	—
Top Tube Length, Effective/Horizontal HT Top	—	547mm
Top Tube Length, Effective/Horizontal Unknown	558mm	—
Top Tube Slope	10.4deg	12.3deg +1.9deg
Head Tube Angle	71.2deg	71deg -0.2deg
Seat Tube Angle	74deg	74deg +0deg
Head Tube Length	135mm	120mm -15mm
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	623mm	609mm -14mm
Front-Center Horizontal	619.6mm	603.4mm -16.2mm
Wheelbase	1037mm	1031mm -6mm
Fork Offset/Rake	55mm	49.6mm -5.4mm
Fork Length, Unknown	400mm	—
Trail	67.2mm high	70.2mm +3mm high
Mechanical Trail	63.6mm	66.3mm +2.7mm
Wheel Flop	20.5mm	21.6mm +1.1mm
Standover Height	—	755mm
Tire to Pedal Spindle	85mm 170 mm cranks	83mm -2mm 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	1773mm	1743mm -30mm
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	M	M
Category	Progressive Gravel	Progressive Gravel