2017 Jamis Bicycles Allegro Sport

	15	17	19	21	23
Stack	545mm	559mm	586mm	610mm	639mm
Reach	387mm	398mm	395mm	403mm	405mm
Stack to Reach Ratio	1.41:1	1.4:1	1.48:1	1.51:1	1.58:1
Top Tube Length, Effective/Horizontal Unknown	545mm	560mm	570mm	585mm	595mm
Head Tube Angle	71deg	71deg	72deg	72deg	72deg
Seat Tube Angle	—	74deg	73.5deg	73.5deg	73.5deg
Bottom Bracket Drop	55mm	55mm	55mm	55mm	55mm
Bottom Bracket Height	288mm	288mm	288mm	288mm	288mm
Chainstay Length	435mm	435mm	435mm	435mm	435mm
Chainstay Length Horizontal	431.5mm	431.5mm	431.5mm	431.5mm	431.5mm
Front-Center	611mm	626.9mm	622.9mm	638.9mm	648.8mm
Front-Center Horizontal	608.5mm	624.5mm	620.5mm	636.5mm	646.5mm
Wheelbase	1040mm	1056mm	1052mm	1068mm	1078mm
Fork Offset/Rake	50mm	50mm	50mm	50mm	50mm
Trail	65.2mm high	65.2mm high	58.9mm mid/neutral	58.9mm mid/neutral	58.9mm mid/neutral
Mechanical Trail	61.7mm	61.7mm	56mm	56mm	56mm
Wheel Flop	20.1mm	20.1mm	17.3mm	17.3mm	17.3mm
Standover Height	733mm	760mm	799mm	837mm	870mm
Tire to Pedal Spindle	98mm 170 mm cranks	113.9mm 170 mm cranks	104.9mm 175 mm cranks	120.9mm 175 mm cranks	130.8mm 175 mm cranks
Pedal Spindle to Ground Clearance	118mm 170 mm cranks	118mm 170 mm cranks	113mm 175 mm cranks	113mm 175 mm cranks	113mm 175 mm cranks

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.jamisbikes.com/wp-content/uploads/2022/02/17_JAMIS_CATALOG.pdf

Geometry