Name: 2026 / Gen 1 Ikuista Spektri Base
Brand: Ikuista

	S	M	L	XL	XXL
Stack	542mm	558mm	579mm	598mm	617mm
Reach	365mm	373mm	381mm	390mm	399mm
Stack to Reach Ratio	1.48:1	1.5:1	1.52:1	1.53:1	1.55:1
Seat Tube Length, C-T	470mm	495mm	520mm	545mm	570mm
Top Tube Length, Actual C-C	521mm	539mm	553mm	568mm	583mm
Top Tube Slope	10.3deg	9.2deg	8.7deg	7.9deg	7.2deg
Head Tube Angle	70.5deg	71deg	71.5deg	71.5deg	71.5deg
Seat Tube Angle	74deg	73.5deg	73.5deg	73.5deg	73.5deg
Head Tube Length	110mm	125mm	145mm	165mm	185mm
Bottom Bracket Drop	78mm	78mm	78mm	78mm	78mm
Bottom Bracket Height	278mm	278mm	278mm	278mm	278mm
Chainstay Length	435mm	435mm	435mm	435mm	435mm
Chainstay Length Horizontal	428mm	428mm	428mm	428mm	428mm
Front-Center	588.2mm	597.2mm	607.1mm	623mm	637.8mm
Front-Center Horizontal	583.1mm	592.1mm	602.1mm	618.1mm	633.1mm
Wheelbase	1011mm	1020mm	1030mm	1046mm	1061mm
Fork Offset/Rake	50mm	50mm	50mm	50mm	50mm
Trail	73mm high	69.7mm high	66.4mm high	66.4mm high	66.4mm high
Mechanical Trail	68.8mm	65.9mm	63mm	63mm	63mm
Wheel Flop	23mm	21.5mm	20mm	20mm	20mm
Tire to Pedal Spindle	62.2mm 170 mm cranks	71.2mm 170 mm cranks	81.1mm 170 mm cranks	97mm 170 mm cranks	111.8mm 170 mm cranks
Pedal Spindle to Ground Clearance	108mm 170 mm cranks	108mm 170 mm cranks	108mm 170 mm cranks	108mm 170 mm cranks	108mm 170 mm cranks