2021 Masi Bikes EVOLUZIONE Base

	47	51	54	56	58	61
Stack	502mm	523mm	543mm	565mm	582mm	601mm
Reach	376mm	380mm	389mm	398mm	413mm	422mm
Stack to Reach Ratio	1.34:1	1.38:1	1.4:1	1.42:1	1.41:1	1.42:1
Seat Tube Length, C-T	470mm	510mm	540mm	560mm	580mm	610mm
Top Tube Length, Effective/Horizontal Center	520mm	530mm	545mm	565mm	585mm	600mm
Top Tube Slope	5.7deg	3.6deg	2.6deg	2.9deg	2.6deg	1.6deg
Head Tube Angle	72deg	72.5deg	73deg	73.5deg	73deg	73deg
Seat Tube Angle	74deg	74deg	74deg	73.5deg	73.5deg	73.5deg
Head Tube Length	100mm	120mm	140mm	160mm	180mm	200mm
Bottom Bracket Drop	68mm	68mm	68mm	68mm	68mm	68mm
Bottom Bracket Height	268mm	268mm	268mm	268mm	268mm	268mm
Chainstay Length	405mm	405mm	405mm	405mm	405mm	405mm
Chainstay Length Horizontal	399.3mm	399.3mm	399.3mm	399.3mm	399.3mm	399.3mm
Front-Center	568.8mm	574.8mm	585.7mm	593.7mm	618.5mm	623.5mm
Front-Center Horizontal	564.8mm	570.8mm	581.8mm	589.8mm	614.8mm	619.8mm
Wheelbase	964mm	970mm	981mm	989mm	1014mm	1019mm
Fork Offset/Rake	45mm	45mm	45mm	43mm	43mm	43mm
Trail	61.9mm mid/neutral	58.8mm mid/neutral	55.7mm mid/neutral	54.7mm mid/neutral	57.8mm mid/neutral	57.8mm mid/neutral
Mechanical Trail	58.8mm	56mm	53.2mm	52.4mm	55.2mm	55.2mm
Wheel Flop	18.2mm	16.9mm	15.6mm	14.9mm	16.2mm	16.2mm
Standover Height	712mm	744mm	764mm	797mm	817mm	842mm
Tire to Pedal Spindle	62.8mm 170 mm cranks	68.8mm 170 mm cranks	77.2mm 172.5 mm cranks	85.2mm 172.5 mm cranks	107.5mm 175 mm cranks	112.5mm 175 mm cranks
Pedal Spindle to Ground Clearance	98mm 170 mm cranks	98mm 170 mm cranks	95.5mm 172.5 mm cranks	95.5mm 172.5 mm cranks	93mm 175 mm cranks	93mm 175 mm cranks

	47	51	54	56	58	61
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	25mm	25mm	25mm	25mm	25mm	25mm
Tire Outer Diameter	672mm	672mm	672mm	672mm	672mm	672mm
Bike Length with Tires	1636mm	1642mm	1653mm	1661mm	1686mm	1691mm
Crank Length	170mm	170mm	172.5mm	172.5mm	175mm	175mm
Handlebar Width	400mm	400mm	420mm	420mm	440mm	440mm
Stem Length	90mm	90mm	100mm	110mm	120mm	130mm

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://harobikes.com/products/evoluzione-105-2021?_pos=5&_sid=3d6bc0bdb&_ss=r

Geometry