2024 Trek Bikes Speed Concept TT Base

	S	M	L
Stack	484mm	509mm	533mm
Reach	398mm	417mm	434mm
Stack to Reach Ratio	1.22:1	1.22:1	1.23:1
Seat Tube Length, Unknown	499mm	525mm	549mm
Top Tube Length, Effective/Horizontal Unknown	518mm	544mm	566mm
Top Tube Slope	0deg	0deg	0deg
Head Tube Angle	72deg	72deg	72deg
Seat Tube Angle	76deg	76deg	76deg
Head Tube Length	65mm	90mm	115mm
Bottom Bracket Drop	72mm	72mm	72mm
Bottom Bracket Height	264mm	264mm	264mm
Chainstay Length	410mm	410mm	410mm
Chainstay Length Horizontal	403.6mm	403.6mm	403.6mm
Front-Center	582.8mm	610.6mm	634.5mm
Front-Center Horizontal	578.4mm	606.4mm	630.4mm
Wheelbase	982mm	1010mm	1034mm
Fork Offset/Rake	44.2mm	45.1mm	44.3mm
Trail	62.7mm mid/neutral	61.8mm mid/neutral	62.6mm mid/neutral
Mechanical Trail	59.6mm	58.8mm	59.5mm
Wheel Flop	18.4mm	18.2mm	18.4mm
Tire to Pedal Spindle	76.8mm 170 mm cranks	104.6mm 170 mm cranks	128.5mm 170 mm cranks
Pedal Spindle to Ground Clearance	94mm 170 mm cranks	94mm 170 mm cranks	94mm 170 mm cranks

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.

Category Trend

Source:https://www.trekbikes.com/de/de_DE/bikes/rennr%C3%A4der/triathlonr%C3%A4der/speed-concept/rahmenset-speed-concept-tt/p/35746/

Geometry