	S 47cm	S 47cm	M 50cm	M 50cm	ML 54cm	ML 54cm	L 56cm	L 56cm	XL 59cm	XL 59cm
Stack	554mm	554mm	564mm	564mm	585mm	585mm	595mm	595mm	614mm	614mm
Reach	384mm	384mm	388mm	388mm	390mm	390mm	403mm	403mm	415mm	415mm
Stack to Reach Ratio	1.44:1	1.44:1	1.45:1	1.45:1	1.5:1	1.5:1	1.48:1	1.48:1	1.48:1	1.48:1
Seat Tube Length, Unknown	470mm	470mm	500mm	500mm	540mm	540mm	560mm	560mm	590mm	590mm
Top Tube Length, Effective/Horizontal Unknown	543mm	543mm	549mm	549mm	558mm	558mm	573mm	573mm	591mm	591mm
Top Tube Length, Unknown	523mm	523mm	531mm	531mm	541mm	541mm	558mm	558mm	577mm	577mm
Top Tube Slope	11.3deg	11.3deg	9deg	9deg	7deg	7deg	5.8deg	5.8deg	4.6deg	4.6deg
Head Tube Angle	72deg	72deg	72deg	72deg	72deg	72deg	72deg	72deg	72deg	72deg
Seat Tube Angle	74deg	74deg	74deg	74deg	74deg	74deg	74deg	74deg	74deg	74deg
Head Tube Length	100mm	100mm	110mm	110mm	130mm	130mm	140mm	140mm	160mm	160mm
Bottom Bracket Drop	70mm	70mm	70mm	70mm	70mm	70mm	70mm	70mm	70mm	70mm
Bottom Bracket Height	274mm	293mm	274mm	293mm	274mm	293mm	274mm	293mm	274mm	293mm
Chainstay Length	425mm	425mm	425mm	425mm	425mm	425mm	425mm	425mm	425mm	425mm
Chainstay Length Horizontal	419.2mm	419.2mm	419.2mm	419.2mm	419.2mm	419.2mm	419.2mm	419.2mm	419.2mm	419.2mm
Front-Center	597.9mm	597.9mm	604.9mm	604.9mm	608.8mm	608.8mm	624.7mm	624.7mm	647.6mm	647.6mm
Front-Center Horizontal	593.8mm	593.8mm	600.8mm	600.8mm	604.8mm	604.8mm	620.8mm	620.8mm	643.8mm	643.8mm
Wheelbase	1013mm	1013mm	1020mm	1020mm	1024mm	1024mm	1040mm	1040mm	1063mm	1063mm
Fork Offset/Rake	50mm	50mm	50mm	50mm	45mm	45mm	45mm	45mm	45mm	45mm
Fork Length (Axle-To-Crown)	417mm	417mm	417mm	417mm	417mm	417mm	417mm	417mm	417mm	417mm
Trail	59.2mm mid/neutral	65.4mm high	59.2mm mid/neutral	65.4mm high	64.5mm mid/neutral	70.6mm high	64.5mm mid/neutral	70.6mm high	64.5mm mid/neutral	70.6mm high
Mechanical Trail	56.3mm	62.2mm	56.3mm	62.2mm	61.3mm	67.2mm	61.3mm	67.2mm	61.3mm	67.2mm
Wheel Flop	17.4mm	19.2mm	17.4mm	19.2mm	18.9mm	20.8mm	18.9mm	20.8mm	18.9mm	20.8mm
Standover Height	762mm	762mm	781mm	781mm	809mm	809mm	823mm	823mm	846mm	846mm
Tire to Pedal Spindle	88.9mm 165 mm cranks	69.9mm 165 mm cranks	95.9mm 165 mm cranks	76.9mm 165 mm cranks	94.8mm 170 mm cranks	75.8mm 170 mm cranks	110.7mm 170 mm cranks	91.7mm 170 mm cranks	128.6mm 175 mm cranks	109.6mm 175 mm cranks
Pedal Spindle to Ground Clearance	109mm 165 mm cranks	128mm 165 mm cranks	109mm 165 mm cranks	128mm 165 mm cranks	104mm 170 mm cranks	123mm 170 mm cranks	104mm 170 mm cranks	123mm 170 mm cranks	99mm 175 mm cranks	118mm 175 mm cranks

	S 47cm	S 47cm	M 50cm	M 50cm	ML 54cm	ML 54cm	L 56cm	L 56cm	XL 59cm	XL 59cm
Wheel Size	650B/27.5 in 584 mm BSD	700C/29 in 622 mm BSD	650B/27.5 in 584 mm BSD	700C/29 in 622 mm BSD	650B/27.5 in 584 mm BSD	700C/29 in 622 mm BSD	650B/27.5 in 584 mm BSD	700C/29 in 622 mm BSD	650B/27.5 in 584 mm BSD	700C/29 in 622 mm BSD
Tire Width	52mm	52mm	52mm	52mm	52mm	52mm	52mm	52mm	52mm	52mm
Tire Width Max	52mm	52mm	52mm	52mm	52mm	52mm	52mm	52mm	52mm	52mm
Tire Outer Diameter	688mm	726mm	688mm	726mm	688mm	726mm	688mm	726mm	688mm	726mm
Bike Length with Tires	1701mm	1739mm	1708mm	1746mm	1712mm	1750mm	1728mm	1766mm	1751mm	1789mm
Crank Length	165mm	165mm	165mm	165mm	170mm	170mm	170mm	170mm	175mm	175mm
Handlebar Width	400mm	400mm	400mm	400mm	440mm	440mm	440mm	440mm	440mm	440mm
Stem Length	70mm	70mm	70mm	70mm	80mm	80mm	80mm	80mm	80mm	80mm

Published Sizing Recommendations

Height

5 ft 2 in

5 ft 4 in

5 ft 2 in

5 ft 4 in

5 ft 5 in

5 ft 8 in

5 ft 5 in

5 ft 8 in

5 ft 9 in

5 ft 10 in

5 ft 9 in

5 ft 10 in

5 ft 11 in

6 ft 0 in

5 ft 11 in

6 ft 0 in

6 ft 1 in

6 ft 3 in

6 ft 1 in

6 ft 3 in

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

All-road/Gravel

Source:https://primoscycles.com/products/dame-flat-bar?variant=50494998184222

Suggest Bike Edit

2026 Primos Dame Flat Bar

Geometry

Flat Bar Build

Published Sizing Recommendations

Stack and Reach vs. Category Trend