2021 Batch Lifestyle Base

	Extra Small	Small	Medium	Large
Stack	530mm	544mm	581mm	614mm
Reach	354mm	395mm	430mm	465mm
Stack to Reach Ratio	1.5:1	1.38:1	1.35:1	1.32:1
Seat Tube Length, C-T	343mm	406mm	457mm	510mm
Top Tube Length, Effective/Horizontal HT Top	516mm	561mm	607mm	652mm
Top Tube Slope	24deg	16.9deg	14.3deg	11.6deg
Head Tube Angle	68.5deg	68.5deg	68.5deg	68.5deg
Seat Tube Angle	73deg	73deg	73deg	73deg
Head Tube Length	100mm	120mm	160mm	295mm
Bottom Bracket Drop	70mm	65mm	65mm	65mm
Bottom Bracket Height	271.5mm	276.5mm	276.5mm	276.5mm
Chainstay Length	445mm	445mm	445mm	445mm
Chainstay Length Horizontal	439.5mm	440.2mm	440.2mm	440.2mm
Front-Center	585.7mm	632.1mm	681.9mm	729.7mm
Front-Center Horizontal	581.5mm	628.8mm	678.8mm	726.8mm
Wheelbase	1021mm	1069mm	1119mm	1167mm
Fork Offset/Rake	43.1mm	42mm	42.4mm	42.4mm
Trail	88.2mm very high	89.4mm very high	89mm very high	89mm very high
Mechanical Trail	82.1mm	83.2mm	82.8mm	82.8mm
Wheel Flop	30.1mm	30.5mm	30.4mm	30.4mm
Standover Height	655mm	700mm	761mm	801mm
Tire to Pedal Spindle	79.2mm 165 mm cranks	120.6mm 170 mm cranks	165.4mm 175 mm cranks	213.1mm 175 mm cranks
Pedal Spindle to Ground Clearance	106.5mm 165 mm cranks	106.5mm 170 mm cranks	101.5mm 175 mm cranks	101.5mm 175 mm cranks

Published Sizing Recommendations

Height

4 ft 5 in

5 ft 0 in

5 ft 6 in

5 ft 5 in

5 ft 10 in

5 ft 9 in

6 ft 3 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://web.archive.org/web/20200804075758/https://www.batchbicycles.com/products/lifestyle/