2021 Intense Cycles 951 Trail Base

	Small	Medium	Large	X-Large
Stack	612mm	612mm	622mm	640mm
Reach	411mm	442mm	467mm	497mm
Stack to Reach Ratio	1.49:1	1.38:1	1.33:1	1.29:1
Seat Tube Length, Unknown	408mm	431mm	451mm	476mm
Top Tube Length, Effective/Horizontal Unknown	578mm	608mm	636mm	6673mm
Top Tube Slope	22.6deg	19.4deg	17.7deg	16.3deg
Head Tube Angle	65.7deg	65.7deg	65.7deg	65.7deg
Seat Tube Angle	70deg	70deg	70deg	70deg
Effective Seat Tube Angle, Unknown	75deg	75deg	75deg	75deg
Head Tube Length	90mm	90mm	100mm	120mm
Bottom Bracket Drop	29mm	29mm	29mm	29mm
Bottom Bracket Height	343mm	343mm	343mm	343mm
Chainstay Length	440mm	440mm	440mm	440mm
Chainstay Length Horizontal	439mm	439mm	439mm	439mm
Front-Center	731.5mm	761.5mm	790.5mm	828.5mm
Front-Center Horizontal	731mm	761mm	790mm	828mm
Wheelbase	1170mm	1200mm	1229mm	1267mm
Fork Offset/Rake	51.7mm	50.8mm	50.3mm	50.2mm
Trail	111.2mm very high	112.2mm very high	112.7mm very high	112.9mm very high
Mechanical Trail	101.4mm	102.3mm	102.8mm	102.9mm
Wheel Flop	41.7mm	42.1mm	42.3mm	42.3mm
Standover Height	815mm	815mm	819mm	828mm
Tire to Pedal Spindle	189.6mm 170 mm cranks	219.6mm 170 mm cranks	248.5mm 170 mm cranks	286.5mm 170 mm cranks
Pedal Spindle to Ground Clearance	173mm 170 mm cranks	173mm 170 mm cranks	173mm 170 mm cranks	173mm 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://intense951.com/products/951-series-trail

Geometry