2024 Stinner Frameworks Tunnel UDH

	Medium	Medium/Large	Large	XL
Stack	644mm	655mm	666mm	677mm
Reach	447mm	460mm	480mm	500mm
Stack to Reach Ratio	1.44:1	1.42:1	1.39:1	1.35:1
Seat Tube Length, C-T	420mm	440mm	460mm	480mm
Top Tube Length, Effective/Horizontal Center	628mm	645mm	668mm	692mm
Head Tube Angle	66deg	66deg	66deg	66deg
Effective Seat Tube Angle, Seat Tube Top	76deg	75.8deg	75.7deg	75.5deg
Head Tube Length	96mm	108mm	120mm	132mm
Bottom Bracket Drop	60mm	60mm	60mm	60mm
Bottom Bracket Height	314.5mm	314.5mm	314.5mm	314.5mm
Chainstay Length	430mm	430mm	430mm	430mm
Chainstay Length Horizontal	425.8mm	425.8mm	425.8mm	425.8mm
Front-Center	758mm	775mm	800mm	825mm
Front-Center Horizontal	755.2mm	773.2mm	798.2mm	823.2mm
Wheelbase	1181mm	1199mm	1224mm	1249mm
Fork Offset/Rake	44mm	44mm	44mm	44mm
Fork Length (Axle-To-Crown)	551mm	551mm	551mm	551mm
Trail	118.6mm very high	118.6mm very high	118.6mm very high	118.6mm very high
Mechanical Trail	108.3mm	108.3mm	108.3mm	108.3mm
Wheel Flop	44.1mm	44.1mm	44.1mm	44.1mm
Standover Height	819mm	834mm	849mm	864mm
Tire to Pedal Spindle	213.5mm 170 mm cranks	230.5mm 170 mm cranks	255.5mm 170 mm cranks	280.5mm 170 mm cranks
Pedal Spindle to Ground Clearance	144.5mm 170 mm cranks	144.5mm 170 mm cranks	144.5mm 170 mm cranks	144.5mm 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://www.stinnerframeworks.com/collections/tunnel-configurator

Geometry