2023 Trek Bikes Allant 8S Step Over

	Medium	Large	XL
Stack	623mm	652mm	688mm
Reach	405mm	408mm	412mm
Stack to Reach Ratio	1.54:1	1.6:1	1.67:1
Seat Tube Length, Unknown	446mm	491mm	534mm
Top Tube Length, Effective/Horizontal Unknown	595mm	607mm	622mm
Top Tube Slope	20.2deg	18.3deg	17.3deg
Head Tube Angle	69.5deg	70deg	70.5deg
Seat Tube Angle	73deg	73deg	73deg
Head Tube Length	165mm	195mm	230mm
Bottom Bracket Drop	60mm	60mm	60mm
Bottom Bracket Height	293mm	293mm	293mm
Chainstay Length	487mm	487mm	487mm
Chainstay Length Horizontal	483.3mm	483.3mm	483.3mm
Front-Center	665.4mm	669.4mm	683.4mm
Front-Center Horizontal	662.7mm	666.7mm	680.7mm
Wheelbase	1146mm	1150mm	1164mm
Fork Offset/Rake	45mm	45mm	45mm
Fork Length, Unknown	450mm	450mm	450mm
Trail	83.9mm very high	80.6mm very high	77.3mm high
Mechanical Trail	78.6mm	75.7mm	72.8mm
Wheel Flop	27.5mm	25.9mm	24.3mm
Standover Height	795mm	837mm	879mm
Tire to Pedal Spindle	142.5mm 170 mm cranks	146.4mm 170 mm cranks	160.4mm 170 mm cranks
Pedal Spindle to Ground Clearance	123mm 170 mm cranks	123mm 170 mm cranks	123mm 170 mm cranks

Published Sizing Recommendations

Height

5 ft 5 in

5 ft 9 in

6 ft 1 in

6 ft 6 in

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/b2b/us/en_US/bikes/hybrid-bikes/electric-hybrid-bikes/allant/allant-8s/p/30265/?colorCode=greydark