Compare: 2026/v2 XDS X-LAB GT8 Base XS vs 2026 evolve CIMA GR Base XS

Insights

Average stack and reach vs trend of progressive gravel bikes

Design deviates from other sizes of XDS X-LAB GT8

Average stack and reach vs trend of progressive gravel bikes

Design deviates from other sizes of evolve CIMA GR

Stack	519mm	515mm -4mm
Reach	370mm	365mm -5mm
Stack to Reach Ratio	1.4:1	1.41:1
Seat Tube Length, C-T	435mm	—
Seat Tube Length, C-TTT	—	415mm
Top Tube Length, Effective/Horizontal HT Top	506mm	—
Top Tube Length, Effective/Horizontal Unknown	—	503mm
Top Tube Slope	11.5deg	11.2deg -0.3deg
Head Tube Angle	70deg	70.5deg +0.5deg
Seat Tube Angle	76deg	75deg -1deg
Head Tube Length	80mm	82mm +2mm
Bottom Bracket Drop	80mm	82mm +2mm
Bottom Bracket Height	276mm	279mm +3mm
Chainstay Length	435mm	425mm -10mm
Chainstay Length Horizontal	427.6mm	417mm -10.6mm
Front-Center	598mm	581mm -17mm
Front-Center Horizontal	592.4mm	576mm -16.4mm
Wheelbase	1020mm	993mm -27mm
Fork Offset/Rake	58.9mm	54mm -4.9mm
Fork Length (Axle-To-Crown)	—	395mm
Trail	66.9mm high	70.6mm +3.7mm high
Mechanical Trail	62.9mm	66.5mm +3.6mm
Wheel Flop	21.5mm	22.2mm +0.7mm
Standover Height	715mm	727mm +12mm
Tire to Pedal Spindle	72mm 170 mm cranks	50mm -22mm 170 mm cranks
Pedal Spindle to Ground Clearance	106mm 170 mm cranks	109mm +3mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	45mm	50mm +5mm
Tire Outer Diameter	712mm	722mm +10mm
Bike Length with Tires	1732mm	1715mm -17mm
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://xds.co/en-us/products/gt8#product-geometry	https://www.evolvebicycles.com/product/cima-gr-sailfish-pearl/
Brand	XDS X-LAB	evolve
Bike	2026/v2 GT8 Base	2026 CIMA GR Base
Size	XS	XS
Category	Progressive Gravel	Progressive Gravel