2021 Bianchi Oltre XR4 Base

	44	47	50	53	55	57	59	61
Stack	479mm	490mm	499mm	525mm	541mm	557mm	576mm	595mm
Reach	372mm	377mm	384mm	385mm	390mm	395mm	398mm	399mm
Stack to Reach Ratio	1.29:1	1.3:1	1.3:1	1.36:1	1.39:1	1.41:1	1.45:1	1.49:1
Seat Tube Length, C-C	400mm	420mm	450mm	480mm	500mm	520mm	540mm	560mm
Seat Tube Length, Effective Center	440mm	470mm	500mm	530mm	550mm	570mm	590mm	610mm
Top Tube Length, Effective/Horizontal Center	505mm	515mm	525mm	535mm	550mm	560mm	575mm	585mm
Top Tube Length, Actual C-C	480mm	500mm	515mm	525mm	540mm	550mm	565mm	575mm
Top Tube Slope	10deg	8.5deg	4.7deg	4.4deg	4.1deg	4deg	3.7deg	3.5deg
Head Tube Angle	70deg	70.5deg	71.5deg	72deg	72.5deg	73deg	73deg	73deg
Seat Tube Angle	74.5deg	74.5deg	74.5deg	74deg	73.5deg	73.5deg	73deg	72.5deg
Head Tube Length	95mm	105mm	110mm	125mm	140mm	155mm	175mm	195mm
Bottom Bracket Drop	58mm	58mm	58mm	68mm	68mm	68mm	68mm	68mm
Bottom Bracket Height	278mm	278mm	278mm	268mm	268mm	268mm	268mm	268mm
Chainstay Length	400mm	400mm	406mm	406mm	407mm	407mm	409mm	411mm
Chainstay Length Horizontal	395.8mm	395.8mm	401.8mm	400.3mm	401.3mm	401.3mm	403.3mm	405.3mm
Front-Center	575mm	579mm	581mm	582mm	588mm	593mm	603mm	607mm
Front-Center Horizontal	572.2mm	576.2mm	571.7mm	578.2mm	584.2mm	589.7mm	599.2mm	603.7mm
Wheelbase	968mm	972mm	973.5mm	978.5mm	985.5mm	991mm	1002.5mm	1009mm
Fork Offset/Rake	44.2mm	43.6mm	38mm	42.6mm	43mm	43.2mm	43.9mm	41.6mm
Trail	75.3mm high	72.7mm high	72.3mm high	64.4mm mid/neutral	60.9mm mid/neutral	57.5mm mid/neutral	56.8mm mid/neutral	59.2mm mid/neutral
Mechanical Trail	70.8mm	68.6mm	68.6mm	61.3mm	58mm	55mm	54.4mm	56.6mm
Wheel Flop	24.2mm	22.9mm	21.8mm	18.9mm	17.5mm	16.1mm	15.9mm	16.6mm
Tire to Pedal Spindle	74mm 165 mm cranks	64mm 179 mm cranks	75mm 170 mm cranks	76mm 170 mm cranks	79.5mm 172.5 mm cranks	84.5mm 172.5 mm cranks	94.5mm 172.5 mm cranks	96mm 175 mm cranks
Pedal Spindle to Ground Clearance	113mm 165 mm cranks	99mm 179 mm cranks	108mm 170 mm cranks	98mm 170 mm cranks	95.5mm 172.5 mm cranks	95.5mm 172.5 mm cranks	95.5mm 172.5 mm cranks	93mm 175 mm cranks

	44	47	50	53	55	57	59	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	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	25mm	25mm	25mm	25mm	25mm	25mm	25mm	25mm
Tire Outer Diameter	672mm	672mm	672mm	672mm	672mm	672mm	672mm	672mm
Bike Length with Tires	1640mm	1644mm	1645.5mm	1650.5mm	1657.5mm	1663mm	1674.5mm	1681mm
Crank Length	165mm	179mm	170mm	170mm	172.5mm	172.5mm	172.5mm	175mm
Handlebar Width	400mm	400mm	400mm	420mm	420mm	420mm	420mm	440mm
Stem Length	70mm	80mm	90mm	100mm	110mm	120mm	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.

Learn more about the Upright/Aggressive Scale

Category Trend

Performance Road

Source:https://www.bianchi.com/bike/oltre-xr4-ultegra-di2-11sp-2/, https://www.bianchi.com/wp-content/uploads/2019/12/Technical-Book-International-2019.pdf, https://www.bianchi.com/bike/oltre-xr4-ultegra-di2-11sp-2/

Suggest Bike Edit

2021 Bianchi Oltre XR4 Base

Geometry

Base Build

Stack and Reach vs. Category Trend