2025 WIAWIS TXT SD Base

	xxxs	xxs	xs	s	m	l	l(special)
Stack	450mm	470mm	477mm	496mm	515mm	530mm	534mm
Reach	362mm	363mm	378mm	397mm	410mm	421mm	452mm
Stack to Reach Ratio	1.24:1	1.29:1	1.26:1	1.25:1	1.26:1	1.26:1	1.18:1
Seat Tube Length, C-T	450mm	470mm	490mm	510mm	530mm	545mm	550mm
Top Tube Length, Effective/Horizontal Center	490mm	497mm	515mm	537mm	557mm	573mm	605mm
Top Tube Slope	2.1deg	2.1deg	0.7deg	0.6deg	0.6deg	0.6deg	0.5deg
Head Tube Angle	70deg	70deg	72deg	74deg	74deg	74deg	72.5deg
Seat Tube Angle	74deg	74deg	74deg	74deg	74deg	74deg	74deg
Head Tube Length	70mm	95mm	95mm	110mm	130mm	145mm	153mm
Bottom Bracket Drop	50mm	50mm	50mm	50mm	50mm	50mm	50mm
Bottom Bracket Height	284mm	284mm	284mm	284mm	284mm	284mm	284mm
Chainstay Length	380mm	380mm	380mm	380mm	380mm	380mm	380mm
Chainstay Length Horizontal	376.7mm	376.7mm	376.7mm	376.7mm	376.7mm	376.7mm	376.7mm
Front-Center	545mm	555mm	556mm	561mm	582mm	597mm	643mm
Front-Center Horizontal	543.3mm	551.3mm	553.3mm	559.3mm	579.3mm	594.3mm	640.3mm
Wheelbase	920mm	928mm	930mm	936mm	956mm	971mm	1017mm
Fork Offset/Rake	35mm	35mm	35mm	35mm	35mm	35mm	35mm
Trail	84.3mm very high	84.3mm very high	71.7mm high	59.4mm mid/neutral	59.4mm mid/neutral	59.4mm mid/neutral	68.6mm high
Mechanical Trail	79.2mm	79.2mm	68.2mm	57.1mm	57.1mm	57.1mm	65.4mm
Wheel Flop	27.1mm	27.1mm	21.1mm	15.7mm	15.7mm	15.7mm	19.7mm
Standover Height	729mm	735mm	747mm	770mm	789mm	803mm	807mm
Tire to Pedal Spindle	41mm 170 mm cranks	51mm 170 mm cranks	52mm 170 mm cranks	57mm 170 mm cranks	78mm 170 mm cranks	93mm 170 mm cranks	139mm 170 mm cranks
Pedal Spindle to Ground Clearance	114mm 170 mm cranks	114mm 170 mm cranks	114mm 170 mm cranks	114mm 170 mm cranks	114mm 170 mm cranks	114mm 170 mm cranks	114mm 170 mm cranks

	xxxs	xxs	xs	s	m	l	l(special)
Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	23mm	23mm	23mm	23mm	23mm	23mm	23mm
Tire Outer Diameter	668mm	668mm	668mm	668mm	668mm	668mm	668mm
Bike Length with Tires	1588mm	1596mm	1598mm	1604mm	1624mm	1639mm	1685mm

Very Upright

Somewhat Upright

Average

Somewhat Aggressive

Very Aggressive

The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.

Learn more about the Upright/Aggressive Scale

Category Trend

Track/Fixed-gear

Source:https://www.wiawis.com/bikes/kr/3/113/60/view.do

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2025 WIAWIS TXT SD Base

Geometry

Base Build

Stack and Reach vs. Category Trend