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Jamis Portal 2021

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Geometry

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	XS/14.5″	S/15.5″	M/17″HI	M/17"LO	L/19″	XL/21″
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Reach	363	460	440	420	488	543
Stack	504	721	559	730	637	661
Top Tube (effective)	539	546	500	514	535	602
Head Angle	67.5-68	67.5-68	57	79	67.5-68	67.5-68
Seat Angle	74.5-75	74.5-75	76	83	74.5-75	74.5-75
Head Tube	111	92	115	131	136	142
Chainstay	500	437	422	465	453	495
Wheelbase	1257	1319	1176	1259	1196	1222
Standover			739	607
BB Drop	26-33	26-33	22	31	26-33	26-33
Wheel Size	31	27	24	30	24	33
Data Source	Manufacturer	Manufacturer	Manufacturer	Manufacturer	Manufacturer	Manufacturer

Standard measurements are in millimeters and degrees. The site attempts to recognize and convert other units back to standard - results may vary.

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