Compare: 2026 TWITTER Bikes X7 Base 49 vs 2025 Trek Bikes Madone SL6 Gen 8 S

Insights

Somewhat upright stack and reach vs trend of performance road bikes

Design deviates from other sizes of TWITTER Bikes X7

Bar type unusual for category

This: Aero Bar
Category: Drop Bar

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of Trek Bikes Madone

Stack	532mm	530mm -2mm
Reach	365mm	378mm +13mm
Stack to Reach Ratio	1.46:1	1.4:1
Seat Tube Length, Unknown	458mm	—
Seat Tube Length, Effective Unknown	—	440mm
Top Tube Length, Effective/Horizontal Unknown	532mm	532mm +0mm
Top Tube Slope	10.6deg	12.1deg +1.5deg
Head Tube Angle	72.2deg	72.2deg +0deg
Seat Tube Angle	74deg	73.8deg -0.2deg
Head Tube Length	113mm	121mm +8mm
Bottom Bracket Drop	72mm	72mm +0mm
Bottom Bracket Height	269mm	267mm -2mm
Chainstay Length	410mm	410mm +0mm
Chainstay Length Horizontal	403.6mm	403.6mm +0mm
Front-Center	578mm	267mm -311mm
Front-Center Horizontal	573.4mm	572.4mm -1mm
Wheelbase	977mm	976mm -1mm
Fork Offset/Rake	44mm	45mm +1mm
Fork Length, Unknown	367mm	—
Trail	63.3mm mid/neutral	61.6mm -1.7mm mid/neutral
Mechanical Trail	60.2mm	58.6mm -1.6mm
Wheel Flop	18.4mm	17.9mm -0.5mm
Standover Height	—	734mm
Tire to Pedal Spindle	67mm 170 mm cranks	-237mm -304mm 165 mm cranks
Pedal Spindle to Ground Clearance	99mm 170 mm cranks	102mm +3mm 165 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	30mm	28mm -2mm
Tire Width Max	—	32mm
Tire Outer Diameter	682mm	678mm -4mm
Bike Length with Tires	1659mm	1654mm -5mm
Crank Length	—	165mm
Stem Length	—	90mm
Stem Angle	—	-7deg
Suspension Type	Rigid, non-suspension corrected	Rigid, non-suspension corrected
Bar Type	Aero Bar	Drop Bar
Frame Material	Carbon/Composite	Carbon/Composite
Fork Material	Carbon/Composite	Carbon/Composite
Brake Type	Disc	Disc