2025 Giant Bicycles Contend AR 2

	S	M	ML	L	XL
Stack	559mm	574mm	595mm	614mm	638mm
Reach	375mm	380mm	383mm	392mm	400mm
Stack to Reach Ratio	1.49:1	1.51:1	1.55:1	1.57:1	1.6:1
Seat Tube Length, Unknown	465mm	500mm	535mm	555mm	585mm
Top Tube Length, Actual C-C	535mm	550mm	565mm	580mm	595mm
Top Tube Slope	12.6deg	10.3deg	8.8deg	8.5deg	7.8deg
Head Tube Angle	71.8deg	72deg	72.5deg	72.5deg	72.5deg
Seat Tube Angle	74deg	73.5deg	73deg	73deg	73deg
Head Tube Length	135mm	150mm	170mm	190mm	215mm
Bottom Bracket Drop	80mm	80mm	80mm	80mm	80mm
Bottom Bracket Height	263mm	263mm	263mm	263mm	263mm
Chainstay Length	422mm	422mm	422mm	422mm	422mm
Chainstay Length Horizontal	414.4mm	414.4mm	414.4mm	414.4mm	414.4mm
Front-Center	594.1mm	602mm	606mm	621.8mm	636.7mm
Front-Center Horizontal	588.7mm	596.7mm	600.7mm	616.7mm	631.7mm
Wheelbase	1003mm	1011mm	1015mm	1031mm	1046mm
Fork Offset/Rake	53mm	53mm	53mm	53mm	53mm
Trail	57mm mid/neutral	55.7mm mid/neutral	52.6mm mid/neutral	52.6mm mid/neutral	52.6mm mid/neutral
Mechanical Trail	54.1mm	53mm	50.1mm	50.1mm	50.1mm
Wheel Flop	16.9mm	16.4mm	15.1mm	15.1mm	15.1mm
Standover Height	759mm	783mm	810mm	829mm	856mm
Tire to Pedal Spindle	81.1mm 170 mm cranks	86.5mm 172.5 mm cranks	90.5mm 172.5 mm cranks	103.8mm 175 mm cranks	118.7mm 175 mm cranks
Pedal Spindle to Ground Clearance	93mm 170 mm cranks	90.5mm 172.5 mm cranks	90.5mm 172.5 mm cranks	88mm 175 mm cranks	88mm 175 mm cranks

Published Sizing Recommendations

Height

165 cm

175 cm

171 cm

181 cm

177 cm

187 cm

183 cm

193 cm

189 cm

199 cm

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-ar-2