2025 Irish Cycles Killeen Base

	49	52	54	56
Stack	521mm	535mm	554mm	573mm
Reach	369mm	377mm	385mm	393mm
Stack to Reach Ratio	1.41:1	1.42:1	1.44:1	1.46:1
Seat Tube Length, C-T	480mm	500mm	520mm	540mm
Top Tube Length, Effective/Horizontal HT Top	508.6mm	530.4mm	543.9mm	563mm
Top Tube Slope	6.6deg	6deg	5.9deg	5.8deg
Head Tube Angle	72deg	72.5deg	73deg	73.5deg
Seat Tube Angle	75deg	74deg	74deg	73.5deg
Head Tube Length	117mm	130mm	148mm	166mm
Bottom Bracket Drop	72mm	72mm	72mm	72mm
Bottom Bracket Height	269mm	269mm	269mm	269mm
Chainstay Length	410mm	410mm	410mm	410mm
Chainstay Length Horizontal	403.6mm	403.6mm	403.6mm	403.6mm
Front-Center	566.8mm	574.7mm	584mm	593mm
Front-Center Horizontal	562.2mm	570.2mm	579.4mm	588.4mm
Wheelbase	965.8mm	973.8mm	983mm	992mm
Fork Offset/Rake	45mm	45mm	45mm	45mm
Fork Length (Axle-To-Crown)	368mm	368mm	368mm	368mm
Trail	63.5mm mid/neutral	60.3mm mid/neutral	57.2mm mid/neutral	54.1mm mid/neutral
Mechanical Trail	60.4mm	57.5mm	54.7mm	51.9mm
Wheel Flop	18.7mm	17.3mm	16mm	14.7mm
Tire to Pedal Spindle	55.8mm 170 mm cranks	63.7mm 170 mm cranks	73mm 170 mm cranks	82mm 170 mm cranks
Pedal Spindle to Ground Clearance	99mm 170 mm cranks	99mm 170 mm cranks	99mm 170 mm cranks	99mm 170 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:irishcycles.com

Geometry