2021 Giant Bicycles Contend SL 1 Disc

	S	M	ML	L	XL
Stack	541mm	563mm	577mm	596mm	615mm
Reach	375mm	378mm	384mm	393mm	401mm
Stack to Reach Ratio	1.44:1	1.49:1	1.5:1	1.52:1	1.53:1
Seat Tube Length, Unknown	445mm	480mm	515mm	535mm	565mm
Top Tube Length, Effective/Horizontal Unknown	530mm	545mm	560mm	575mm	595mm
Top Tube Slope	12.8deg	11.3deg	9deg	8.7deg	7.6deg
Head Tube Angle	71.8deg	72.5deg	72.5deg	72.5deg	72.5deg
Seat Tube Angle	74deg	73.5deg	73deg	73deg	72.5deg
Head Tube Length	138mm	158mm	178mm	198mm	218mm
Bottom Bracket Drop	75mm	75mm	70mm	70mm	70mm
Bottom Bracket Height	264mm	264mm	269mm	269mm	269mm
Chainstay Length	412mm	412mm	412mm	412mm	412mm
Chainstay Length Horizontal	405.1mm	405.1mm	406mm	406mm	406mm
Front-Center	585.7mm	589.7mm	600.1mm	615mm	628.9mm
Front-Center Horizontal	580.9mm	584.9mm	596mm	611mm	625mm
Wheelbase	986mm	990mm	1002mm	1017mm	1031mm
Fork Offset/Rake	50mm	50mm	50mm	50mm	50mm
Trail	58.8mm mid/neutral	54.5mm mid/neutral	54.5mm mid/neutral	54.5mm mid/neutral	54.5mm mid/neutral
Mechanical Trail	55.9mm	51.9mm	51.9mm	51.9mm	51.9mm
Wheel Flop	17.5mm	15.6mm	15.6mm	15.6mm	15.6mm
Standover Height	746mm	774mm	803mm	821mm	844mm
Tire to Pedal Spindle	76.7mm 170 mm cranks	78.2mm 172.5 mm cranks	88.6mm 172.5 mm cranks	101mm 175 mm cranks	114.9mm 175 mm cranks
Pedal Spindle to Ground Clearance	94mm 170 mm cranks	91.5mm 172.5 mm cranks	96.5mm 172.5 mm cranks	94mm 175 mm cranks	94mm 175 mm cranks

Published Sizing Recommendations

Height	5 ft 5 in to 5 ft 8 in	5 ft 8 in to 5 ft 11 in	5 ft 11 in to 6 ft 1 in	6 ft 1 in to 6 ft 4 in	6 ft 4 in to 6 ft 5 in
PBH	27 in to 32 in	29 in to 33 in	30 in to 34 in	31 in to 36 in	33 in to 37 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.giant-bicycles.com/gb/contend-sl-1-disc-2021