2010 Jamis Bicycles Aurora Base

	53	47	50	55	57	59	62
Stack	542mm	—	—	—	—	—	—
Reach	375mm	—	—	—	—	—	—
Stack to Reach Ratio	1.45:1	—	—	—	—	—	—
Seat Tube Length, C-TTT	535mm	470mm	500mm	550mm	570mm	590mm	620mm
Top Tube Length, Effective/Horizontal Unknown	545mm	513mm	535mm	550mm	560mm	570mm	590mm
Top Tube Slope	1.2deg	—	—	—	—	—	—
Head Tube Angle	72deg	70.5deg	72deg	72deg	72deg	72.5deg	72.5deg
Seat Tube Angle	73deg	74deg	74deg	73deg	72deg	72deg	72deg
Head Tube Length	135mm	100mm	115mm	150mm	165mm	180mm	195mm
Bottom Bracket Drop	68mm	68mm	68mm	68mm	68mm	68mm	68mm
Bottom Bracket Height	275mm	275mm	275mm	275mm	275mm	275mm	275mm
Chainstay Length	440mm	440mm	440mm	440mm	440mm	440mm	440mm
Chainstay Length Horizontal	434.7mm	434.7mm	434.7mm	434.7mm	434.7mm	434.7mm	434.7mm
Front-Center	591.2mm	582.3mm	591.2mm	596.2mm	596.2mm	601.1mm	620mm
Front-Center Horizontal	587.3mm	578.3mm	587.3mm	592.3mm	592.3mm	597.3mm	616.3mm
Wheelbase	1022mm	1013mm	1022mm	1027mm	1027mm	1032mm	1051mm
Fork Offset/Rake	50mm	50mm	50mm	50mm	50mm	50mm	50mm
Trail	58.9mm mid/neutral	68.4mm high	58.9mm mid/neutral	58.9mm mid/neutral	58.9mm mid/neutral	55.7mm mid/neutral	55.7mm mid/neutral
Mechanical Trail	56mm	64.5mm	56mm	56mm	56mm	53.1mm	53.1mm
Wheel Flop	17.3mm	21.5mm	17.3mm	17.3mm	17.3mm	16mm	16mm
Standover Height	798mm	699mm	779mm	816mm	832mm	850mm	872mm
Tire to Pedal Spindle	78.2mm 170 mm cranks	69.3mm 170 mm cranks	78.2mm 170 mm cranks	80.7mm 172.5 mm cranks	80.7mm 172.5 mm cranks	83.1mm 175 mm cranks	102mm 175 mm cranks
Pedal Spindle to Ground Clearance	105mm 170 mm cranks	105mm 170 mm cranks	105mm 170 mm cranks	102.5mm 172.5 mm cranks	102.5mm 172.5 mm cranks	100mm 175 mm cranks	100mm 175 mm cranks

	53	47	50	55	57	59	62
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
Tire Width	32mm	32mm	32mm	32mm	32mm	32mm	32mm
Tire Outer Diameter	686mm	686mm	686mm	686mm	686mm	686mm	686mm
Bike Length with Tires	1708mm	1699mm	1708mm	1713mm	1713mm	1718mm	1737mm
Crank Length	170mm	170mm	170mm	172.5mm	172.5mm	175mm	175mm
Handlebar Width	400mm	380mm	400mm	420mm	420mm	420mm	420mm
Stem Length	100mm	90mm	90mm	100mm	100mm	120mm	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.

Learn more about the Upright/Aggressive Scale

Category Trend

Touring

Source:https://www.jamisbikes.com/catalog_archive/10_JAMIS_CATALOG.pdf

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2010 Jamis Bicycles Aurora Base

Geometry

Base Build

Stack and Reach vs. Category Trend