2021 HASA RS1 Base

	XS	S	M	L	XL
Stack	509mm	530mm	546mm	565mm	583.8mm
Reach	364mm	378mm	384mm	388mm	397mm
Stack to Reach Ratio	1.4:1	1.4:1	1.42:1	1.46:1	1.47:1
Seat Tube Length, C-T	430mm	470mm	490mm	510mm	542mm
Top Tube Length, Effective/Horizontal Center	500mm	525mm	535mm	550mm	575.4mm
Top Tube Slope	11.2deg	8.7deg	8.2deg	8.1deg	6.7deg
Head Tube Angle	70.5deg	72.5deg	73deg	73deg	73deg
Seat Tube Angle	75deg	74.5deg	74.5deg	74deg	73deg
Head Tube Length	105mm	120mm	140mm	160mm	180mm
Bottom Bracket Drop	75mm	75mm	70mm	70mm	70mm
Bottom Bracket Height	261mm	261mm	266mm	266mm	266mm
Chainstay Length	410mm	410mm	410mm	410mm	415mm
Chainstay Length Horizontal	403.1mm	403.1mm	404mm	404mm	409.1mm
Front-Center	570mm	574mm	580mm	590mm	605mm
Front-Center Horizontal	564.9mm	568.9mm	576mm	586mm	601.2mm
Wheelbase	968mm	972mm	980mm	990mm	1010.2mm
Fork Offset/Rake	44.5mm	45.3mm	44.5mm	44.6mm	45mm
Fork Length (Axle-To-Crown)	371mm	371mm	371mm	371mm	371mm
Trail	71.8mm high	58.5mm mid/neutral	56.2mm mid/neutral	56mm mid/neutral	55.7mm mid/neutral
Mechanical Trail	67.6mm	55.8mm	53.8mm	53.6mm	53.2mm
Wheel Flop	22.6mm	16.8mm	15.7mm	15.7mm	15.6mm
Tire to Pedal Spindle	64mm 170 mm cranks	68mm 170 mm cranks	74mm 170 mm cranks	84mm 170 mm cranks	99mm 170 mm cranks
Pedal Spindle to Ground Clearance	91mm 170 mm cranks	91mm 170 mm cranks	96mm 170 mm cranks	96mm 170 mm cranks	96mm 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.hasa.com.tw/webls-zh-tw/product-2021RS1-2021RS1.html

Geometry