2018 Tout Terrain Blacktop Scrambler Base

	M	L	XL
Stack	555mm	585mm	625mm
Reach	410mm	415mm	425mm
Stack to Reach Ratio	1.35:1	1.41:1	1.47:1
Seat Tube Length, C-T	470mm	510mm	580mm
Seat Tube Length, C-C	410mm	450mm	520mm
Top Tube Length, Effective/Horizontal HT Top	575mm	595mm	615mm
Top Tube Slope	10.9deg	9.8deg	6.8deg
Head Tube Angle	70.5deg	71deg	71.5deg
Seat Tube Angle	73.5deg	73deg	73deg
Head Tube Length	135mm	165mm	185mm
Bottom Bracket Drop	55mm	55mm	55mm
Bottom Bracket Height	306.8mm	306.8mm	306.8mm
Chainstay Length	455mm	455mm	455mm
Chainstay Length Horizontal	451.7mm	451.7mm	451.7mm
Front-Center	635.7mm	650.7mm	665.6mm
Front-Center Horizontal	633.3mm	648.3mm	663.3mm
Wheelbase	1085mm	1100mm	1115mm
Fork Offset/Rake	43.6mm	48.1mm	45.2mm
Trail	81.8mm very high	73.7mm high	73.4mm high
Mechanical Trail	77.2mm	69.7mm	69.6mm
Wheel Flop	25.8mm	22.7mm	22.1mm
Tire to Pedal Spindle	103.9mm 170 mm cranks	118.9mm 170 mm cranks	133.8mm 170 mm cranks
Pedal Spindle to Ground Clearance	136.8mm 170 mm cranks	136.8mm 170 mm cranks	136.8mm 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.cyclemonkey.com/sites/default/files/tech-topics/docs/Frame%20Geo%20Tout%20Terrain.pdf

Geometry