2025 Sage Titanium Bicycles Optimator Base

	Small	Medium	Large	X-Large
Stack	619mm	625mm	630mm	659mm
Reach	415mm	424mm	447mm	473mm
Stack to Reach Ratio	1.49:1	1.47:1	1.41:1	1.39:1
Seat Tube Length, C-T	395mm	405mm	445mm	475mm
Top Tube Length, Effective/Horizontal Center	600mm	611mm	636mm	672mm
Top Tube Slope	24.4deg	23.6deg	19.5deg	18.5deg
Head Tube Angle	67.5deg	67.5deg	67.5deg	67.5deg
Seat Tube Angle	71.75deg	71.75deg	71.75deg	71.75deg
Head Tube Length	90mm	95mm	100mm	130mm
Bottom Bracket Drop	51mm	52mm	53mm	54mm
Bottom Bracket Height	321mm	320mm	319mm	318mm
Chainstay Length	425mm	425mm	425mm	430mm
Chainstay Length Horizontal	421.9mm	421.8mm	421.7mm	426.6mm
Front-Center	700mm	711mm	7357mm	773mm
Front-Center Horizontal	698.1mm	708.2mm	733.3mm	771.4mm
Wheelbase	1120mm	1130mm	1155mm	1198mm
Fork Offset/Rake	44mm	44mm	44mm	44mm
Fork Length, Unknown	531mm	531mm	531mm	531mm
Trail	106.5mm very high	106.5mm very high	106.5mm very high	106.5mm very high
Mechanical Trail	98.3mm	98.3mm	98.3mm	98.3mm
Wheel Flop	37.6mm	37.6mm	37.6mm	37.6mm
Tire to Pedal Spindle	158mm 170 mm cranks	169mm 170 mm cranks	6815mm 170 mm cranks	231mm 170 mm cranks
Pedal Spindle to Ground Clearance	151mm 170 mm cranks	150mm 170 mm cranks	149mm 170 mm cranks	148mm 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:https://sagetitanium.com/product/optimator/

Geometry