2021 Tout Terrain Silkroad II 27.5

	S	M	L	XL
Stack	581mm	597mm	627mm	648mm
Reach	383mm	392mm	397mm	404mm
Stack to Reach Ratio	1.52:1	1.52:1	1.58:1	1.6:1
Seat Tube Length, C-T	460mm	510mm	560mm	610mm
Seat Tube Length, C-C	399mm	450mm	501mm	552mm
Top Tube Length, Effective/Horizontal HT Top	550mm	575mm	595mm	615mm
Top Tube Slope	15.2deg	11.4deg	9.3deg	6.5deg
Head Tube Angle	70deg	70.5deg	71deg	71.5deg
Seat Tube Angle	74deg	73deg	72.5deg	72deg
Head Tube Length	160mm	175mm	205mm	225mm
Bottom Bracket Drop	60mm	60mm	60mm	60mm
Bottom Bracket Height	287mm	287mm	287mm	287mm
Chainstay Length	455mm	455mm	455mm	455mm
Chainstay Length Horizontal	451mm	451mm	451mm	451mm
Front-Center	623.9mm	632.8mm	642.8mm	651.7mm
Front-Center Horizontal	621mm	630mm	640mm	649mm
Wheelbase	1072mm	1081mm	1091mm	1100mm
Wheelbase Max	1072mm	1081mm	1091mm	1100mm
Fork Offset/Rake	47mm	47mm	47mm	47mm
Fork Length (Axle-To-Crown)	395mm	395mm	395mm	395mm
Trail	76.3mm high	73mm high	69.8mm high	66.5mm high
Mechanical Trail	71.7mm	68.8mm	66mm	63.1mm
Wheel Flop	24.5mm	23mm	21.5mm	20mm
Standover Height	772mm	803mm	842mm	875mm
Tire to Pedal Spindle	106.9mm 170 mm cranks	115.8mm 170 mm cranks	125.8mm 170 mm cranks	134.7mm 170 mm cranks
Pedal Spindle to Ground Clearance	117mm 170 mm cranks	117mm 170 mm cranks	117mm 170 mm cranks	117mm 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://tout-terrain.de/en/the-products/expedition/578/silkroad-ii-275

Geometry