2018 Felt Bicycles Doctrine 1

	14	16	18	20	22
Stack	602mm	611mm	620mm	630mm	639mm
Reach	384mm	403mm	422mm	441mm	461mm
Stack to Reach Ratio	1.57:1	1.52:1	1.47:1	1.43:1	1.39:1
Seat Tube Length, C-T	311mm	351mm	402mm	453mm	505mm
Seat Tube Length, C-C	311mm	351mm	402mm	453mm	505mm
Top Tube Length, Effective/Horizontal HT Top	568mm	590mm	612mm	634mm	656mm
Top Tube Slope	32.7deg	28.6deg	23.6deg	18.9deg	14.4deg
Head Tube Angle	69.5deg	69.5deg	69.5deg	69.5deg	69.5deg
Seat Tube Angle	73deg	73deg	73deg	73deg	73deg
Head Tube Length	90mm	95mm	105mm	115mm	125mm
Bottom Bracket Drop	61mm	65mm	65mm	65mm	65mm
Bottom Bracket Height	305.9mm	301.9mm	301.9mm	301.9mm	301.9mm
Chainstay Length	430mm	430mm	430mm	430mm	430mm
Chainstay Length Horizontal	425.7mm	425.1mm	425.1mm	425.1mm	425.1mm
Front-Center	644mm	665mm	688mm	710mm	733mm
Front-Center Horizontal	640.4mm	661.9mm	683.9mm	706.9mm	729.9mm
Wheelbase	1066mm	1087mm	1109mm	1132mm	1155mm
Fork Offset/Rake	51mm	51mm	51mm	51mm	51mm
Fork Length, Unknown	506mm	506mm	506mm	506mm	506mm
Trail	82.7mm very high	82.7mm very high	82.7mm very high	82.7mm very high	82.7mm very high
Mechanical Trail	77.5mm	77.5mm	77.5mm	77.5mm	77.5mm
Wheel Flop	27.1mm	27.1mm	27.1mm	27.1mm	27.1mm
Standover Height	683mm	714mm	757mm	799mm	841mm
Tire to Pedal Spindle	107.1mm 170 mm cranks	128.1mm 170 mm cranks	146.1mm 175 mm cranks	168.1mm 175 mm cranks	191.1mm 175 mm cranks
Pedal Spindle to Ground Clearance	135.9mm 170 mm cranks	131.9mm 170 mm cranks	126.9mm 175 mm cranks	126.9mm 175 mm cranks	126.9mm 175 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://feltbicycles.com/collections/doctrine/products/doctrine-1-cross-country-mountain-bike

Geometry