Author Egoist 29 2021-22 vs Felt DD 70 2019

Speed	12	--
Frame	Triple butted hydroformed alloy 6061 29"	Felt Fat, Super Lite aluminum, hydro form, Control Taper integrated head tube, post disc mount, replaceable derailleur hanger, clamp adaptor for high direct type front derailleur mount
Stem	RITCHEY WCS C220	Felt, ±7° rise, Ø31.8 mm with Cr-Mo bolts, SM: 60 mm, MD: 70 mm, LG: 80 mm
Handle Bar	RITCHEY MTN WCS 2x9 9° 700 / 720 mm	Devox 6061 butted flat top, Ø31.8 mm, 5 mm rise, 9° sweep, 760 mm wide
Fork	FOX 32 Float SC 29 100 Remote air, remote lock out 15 mm thru axle, 1.5" tapered steerer (100 mm)	Felt Fat hydro formed 6061 aluminum, tapered steerer, post-mount disc, rack mounts, 15 x 150 mm Boost thru axle
Seats	Clamp: AUTHOR (34.9)	--
Seatpost	RITCHEY Comp Carbon (31.6)	Felt butted 6061, dual bolt, 15 mm offset, Ø30.9. SM: 350 mm, MD/LG: 400 mm
Grip	AUTHOR Pro Lock	Devox Pauley Grip
Crankset	--	Race Face Ride, 30T, SM: 170 mm, MD/LG: 175 mm
Pedals	--	Low-profile nylon platform
Chain	SHIMANO M7100	SRAM PC1110, 11-speed
Shifters	SHIMANO XT (12)	SRAM NX, 1 x 11
Saddle	PROLOGO Nago Evo X10	Devox MTB performance
Headset	--	FSA sealed cartridge bearings, semi-integrated upper, external cup lower, No.57E/62, 1.125 - 1.5"
Derailleur Rear	SHIMANO XT	SRAM NX 11-speed, long cage
Hub Front	--	Shimano driver, 12 x 197 mm, 6-bolt, 32H
Hub Rear	MAVIC Crossmax 29 wheel set 24 holes 15 × 110 mm thru front axle 12 × 148 mm thru rear axle	15 x 150 mm thru axle, 6-bolt, 32H
Spoke	MAVIC	2.0 mm stainless steel
Cassette	--	SRAM PG 1130, 11-speed, 11-42T
Bottom Bracket	SHIMANO BB-MT800 BB unit	--

Front	VITTORIA Barzo foldable 29" × 2.25"	Schwalbe Jumbo Jim EVO, folding, 26 x 4.0"
Rear	VITTORIA Barzo foldable 29" × 2.25"	Schwalbe Jumbo Jim EVO, folding, 26 x 4.0"
Wheel / RIM	RIMS: MAVIC Crossmax 29 wheel set 24 holes	Single wall, tubeless compatible, 80 mm inner width

Front	SHIMANO SLX disc hydraulic (6" rotors)	Tektro M285 hydraulic disc, 180 mm rotor
Rear	SHIMANO SLX disc hydraulic (6" rotors)	Tektro M285 hydraulic disc, 160 mm rotor
Brake Lever	SHIMANO SLX	Tektro

Front	--	--
Rear	--	--

Colors

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Matte Blue (Black, Green)

Length	--	--
Weight	11 kg	14.27 kg

Features	--	--
Additional Details	SIZE : 17", 19", 21" HEAD PARTS: FSA Orbit 1.5B 1.5" tapered CHAIN WHEEL : SHIMANO XT 34 teeth 170 / 175 mm cranks FREEWHEEL: SHIMANO CS-M7100 10-51 (12)	Bottom Bracket : Race Face, BSA threaded, 100 mm Seatpost Clamp : Felt single bolt, Ø34.9 mm Thru axle : Front: Felt tool free 15 x 150 x 190L, thread: M15 x 1.5; Rear: Felt tool free 12 x 197 x 211L Syntace style, thread: M12 x 1.0