Compare: 2020 Felt DOCTRINE Performance NX Eagle vs DOCTRINE Advanced SLX vs DOCTRINE Advanced XT

Overview
Gearing
Spec Level
Geometry
Specs

Bike Comparison

Only show differences

	DOCTRINE Performance NX Eagle2020 Felt	DOCTRINE Advanced SLX2020 Felt	DOCTRINE Advanced XT2020 Felt

MSRP	$2,499	$2,999	$4,999
Where to Buy	— $1 At	— $1 At	— $1 At
Category	Crosscountry	Trail	Trail
	5.4	5.4	6.9
Frame	Carbon	Carbon	Carbon
Fork	RockShox Recon Silver RL	Fox Rhythm Float 32	Fox Performance Elite Float 32
Wheels	Aluminum	Aluminum	Carbon
Wheel Size	29″	29″	29″
Brakes	Hydraulic Disc	Hydraulic Disc	Hydraulic Disc
Groupset	NX Eagle, SX Eagle	SLX	XT
Drivetrain	1 × 12	1 × 12	1 × 12
Suspension	Hardtail	Hardtail	Hardtail
Front Travel	100mm	120mm	120mm
Brand Site	feltbicycles.com	feltbicycles.com	feltbicycles.com
Summary	The Felt DOCTRINE Performance NX Eagle, Felt DOCTRINE Advanced SLX, and Felt DOCTRINE Advanced XT are all 29″ carbon frame hardtail mountain bikes. The DOCTRINE Advanced XT has carbon 29″ carbon wheels, better components, and a better fork.

Similar Bikes

Accessories

Gear Range

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

25 mph

DOCTRINE Performance NX Eagle

28 mph

DOCTRINE Advanced SLX

28 mph

DOCTRINE Advanced XT

Highest gear

(descending)

Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

Geometry

Specs

	DOCTRINE Performance NX Eagle2020 Felt	DOCTRINE Advanced SLX2020 Felt	DOCTRINE Advanced XT2020 Felt

Frame	Felt XC, UHC Performance carbon fiber, MMC with InsideOut construction, full carbon dropouts, ControlTaper head tube, low-direct front derailleur mount, replaceable derailleur hanger, flat mount disc mounts, BB92, 12 x 148mm Syntace style thru axle, internal derailleur cable routing BB Standard: BB86/BB92, Press Fit	Felt XC, UHC Advanced carbon fiber, MMC with InsideOut construction, full carbon dropouts, ControlTaper head tube, low-direct front derailleur mount, replaceable derailleur hanger, flat mount disc mounts, BSA Threaded bottom bracket, 12 x 148mm Syntace style thru axle, internal derailleur cable routing BB Standard: BB86/BB92, Press Fit	Felt XC, UHC Advanced carbon fiber, MMC with InsideOut construction, full carbon dropouts, ControlTaper head tube, low-direct front derailleur mount, replaceable derailleur hanger, flat mount disc mounts, BSA Threaded bottom bracket, 12 x 148mm Syntace style thru axle, internal derailleur cable routing BB Standard: BB86/BB92, Press Fit
Fork	RockShox Recon RL, 100mm travel, lockout remote, 15 x 110mm Boost thru axle Travel: 120mm Spring Type: Air	FOX 32 Rhythm, 120mm travel, lockout remote, 15 x 110mm Boost thru axle Travel: 120mm Spring Type: Air	FOX 32 Step-Cast Performance Elite, 120mm travel, lockout remote, 15 x 110mm Boost thru axle Travel: 120mm Spring Type: Air
Bottom Bracket	SRAM DUB BB92	Shimano, BSA threaded, 73mm	Shimano, BSA threaded, 73mm
Headset	FSA integrated sealed cartridge ACB bearing, No. 42, 1.125" - 1.5"	FSA integrated sealed cartridge ACB bearing, No. 42, 1.125" - 1.5"	FSA integrated sealed cartridge ACB bearing, No. 42, 1.125" - 1.5"
Stem	Devox, ±7¡ rise, ¯31.8mm with Cr-Mo bolts, XS/SM: 60mm, M/L: 70mm, XL: 90mm	Devox, ±7¡ rise, ¯31.8mm with Cr-Mo bolts, XS/SM: 60mm, M/L: 70mm, XL: 90mm	Devox, ±7¡ rise, ¯31.8mm with Cr-Mo bolts, XS/SM: 60mm, M/L: 70mm, XL: 90mm
Handlebar	Devox 6061 butted riser, ¯31.8mm, 15mm rise, 9¡ sweep, 720mm wide	Devox 6061 butted riser, ¯31.8mm, 15mm rise, 9¡ sweep, 720mm wide	Devox carbon flat top, ¯31.8mm, 8mm rise, 9¡ sweep, 720mm wide
Saddle	Devox performance	Prologo Kappa RS, T2.0 rails	Prologo Kappa RS, T2.0 rails
Seatpost	Devox butted 6061, dual bolt, 15mm offset, ¯27.2, XS/SM: 350mm, MD/LG/XL: 400mm	Devox butted 6061, dual bolt, 15mm offset, ¯27.2, XS/SM: 350mm, MD/LG/XL: 400mm	Devox carbon post, forged head, 15mm offset, ¯27.2, XS/SM: 350mm, MD/LG/XL: 400mm
Grips	Devox Pauley Grip	Devox Pauley Grip	Silicone Foam

Groupset

Rear Derailleur	SRAM NX Eagle 12-speed	Shimano SLX M7100, 12-speed	Shimano XT M8100, 12-speed
Crank	SRAM SX Eagle, 32T, SM: 170mm, MD/LG/XL: 175mm	Shimano SLX M7100, 32T, SM: 170mm, MD/LG/XL: 175mm	Shimano XT, 32T, SM: 170mm, MD/LG/XL: 175mm
Shifters	SRAM NX Eagle, 1x12	Shimano SLX M7100, 1x12	Shimano XT M8100, 1x12
Cassette	SRAM SX Eagle, 12-speed, 11-50	Shimano SLX M7100, 12-speed, 10-51T	Shimano XT M8100, 12-speed, 10-51T
Chain	SRAM SX Eagle, 12-speed	Shimano SLX M7100, 12-speed	Shimano XT M8100, 12-speed
Chain Guide	GW S3, low-direct mount	GW S3, low-direct mount	GW S3, low-direct mount
Brakes	Shimano MT400 hydraulic disc, 180mm rotor	Shimano MT500 hydraulic disc, 180mm rotor	Shimano XT M8100 hydraulic disc, 180mm rotor
Brake Levers	Shimano	Shimano	Shimano

Wheels

Rims	Double wall, tubeless compatible, 25mm inner width	Double wall, tubeless compatible, 25mm inner width	Custom Reynolds TR249 carbon wheelset, tubeless ready, 24mm inner width
Spokes	2.0mm stainless steel
Front Hub	15 x 110mm Boost thru axle, Center Lock, 32H	15 x 110mm Boost thru axle, Center Lock, 32H	Reynolds, 15 x 110mm Boost thru axle, Center Lock
Rear Hub	Shimano driver, 12 x 148mm Boost thru axle, Center Lock, 32H	Shimano MT510, Micro Spline, 12 x 148mm Boost thru axle, Center Lock, 32H	Reynolds, Shimano Micro Spline, 12 x 148mm Boost thru axle, Center Lock
Tires	Schwalbe Rocket Ron TwinSkin, tubeless ready, 29 x 2.25"	Schwalbe Racing Ray Perf front + Racing Ralph Perf rear, TwinSkin, folding, tubeless ready, 29 x 2.25"	Schwalbe Racing Ray Evo front + Racing Ralph Evo rear, SnakeSkin, folding, tubeless ready, 29 x 2.25"

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