Compare: 2026 XMCS Aero 2026 Base X Small vs 2026 Merida Bikes Reacto 8000 XXS

Insights

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of XMCS Aero 2026

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of Merida Bikes Reacto

Stack	509mm	517mm +8mm
Reach	373mm	377mm +4mm
Stack to Reach Ratio	1.36:1	1.37:1
Seat Tube Length, C-T	—	470mm
Seat Tube Length, Unknown	480mm	—
Top Tube Length, Effective/Horizontal HT Top	—	521mm
Top Tube Length, Effective/Horizontal Unknown	514mm	—
Top Tube Slope	5.3deg	7.3deg +2deg
Head Tube Angle	71deg	70.5deg -0.5deg
Seat Tube Angle	74.5deg	74.5deg +0deg
Head Tube Length	108.7mm	105mm -3.7mm
Bottom Bracket Drop	70mm	70mm +0mm
Bottom Bracket Height	269mm	269mm +0mm
Chainstay Length	410mm	410mm +0mm
Chainstay Length Horizontal	404mm	404mm +0mm
Front-Center	573mm	587.2mm +14.2mm
Front-Center Horizontal	572mm	583mm +11mm
Wheelbase	976mm	987mm +11mm
Fork Offset/Rake	45mm	45mm +0mm
Fork Length, Unknown	370mm	385mm +15mm
Trail	69.1mm high	72.3mm +3.2mm high
Mechanical Trail	65.4mm	68.2mm +2.8mm
Wheel Flop	21.3mm	22.8mm +1.5mm
Standover Height	—	746mm
Tire to Pedal Spindle	64mm 170 mm cranks	78.2mm +14.2mm 170 mm cranks
Pedal Spindle to Ground Clearance	99mm 170 mm cranks	99mm +0mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	28mm	28mm +0mm
Tire Outer Diameter	678mm	678mm +0mm
Bike Length with Tires	1654mm	1665mm +11mm
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://www.instagram.com/p/DRxSz9fktyz/?hl=en-gb	https://www.merida-bikes.com/en-gb/bike/5930/reacto-8000
Brand	XMCS	Merida Bikes
Bike	2026 Aero 2026 Base	2026 Reacto 8000
Size	X Small	XXS
Category	Performance Road	Performance Road