2017 Opus Bike Allegro 3.0

	XS	S	M	L	XL	XXL
Stack	540mm	560mm	580mm	600mm	620mm	640mm
Reach	370mm	378mm	387mm	396mm	405mm	414mm
Stack to Reach Ratio	1.46:1	1.48:1	1.5:1	1.52:1	1.53:1	1.55:1
Seat Tube Length, C-T	480mm	520mm	540mm	560mm	580mm	600mm
Top Tube Length, Effective/Horizontal Center	525mm	544mm	565mm	580mm	600mm	616mm
Top Tube Slope	8.9deg	6.7deg	6.7deg	6.6deg	6.6deg	6.5deg
Head Tube Angle	72deg	72.5deg	72.5deg	72.5deg	72.5deg	73deg
Seat Tube Angle	74deg	73.5deg	73deg	73deg	72.5deg	72.5deg
Head Tube Length	129mm	152mm	171mm	192mm	215mm	234mm
Bottom Bracket Drop	75mm	72mm	72mm	72mm	70mm	70mm
Bottom Bracket Height	264mm	267mm	267mm	267mm	269mm	269mm
Chainstay Length	412mm	415mm	415mm	415mm	418mm	418mm
Chainstay Length Horizontal	405.1mm	408.7mm	408.7mm	408.7mm	412.1mm	412.1mm
Trail	— —	— —	— —	— —	— —	— —
Mechanical Trail	—	—	—	—	—	—
Wheel Flop	—	—	—	—	—	—
Standover Height	740mm	771mm	788mm	808mm	828mm	849mm
Pedal Spindle to Ground Clearance	94mm 170 mm cranks	94.5mm 172.5 mm cranks	94.5mm 172.5 mm cranks	94.5mm 172.5 mm cranks	94mm 175 mm cranks	94mm 175 mm cranks

	XS	S	M	L	XL	XXL
Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	28mm	28mm	28mm	28mm	28mm	28mm
Tire Outer Diameter	678mm	678mm	678mm	678mm	678mm	678mm
Crank Length	170mm	172.5mm	172.5mm	172.5mm	175mm	175mm
Handlebar Width	400mm	420mm	420mm	440mm	440mm	460mm
Stem Length	90mm	100mm	100mm	110mm	110mm	120mm

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://geometrygeeks.bike/

Geometry