Author Magnum 29 2021-22 vs Felt VR30 2019

Frame	AUTHOR carbon Toray T700/800 monocoque 29"	Felt Variable Road Disc FLite custom butted aluminum, hydroform smooth welded construction, BB386 bottom bracket shell, 12 x 142 mm with Syntace style thru axle, flat mount disc brake standard, replaceable rear derailleur hanger, internal mechanical cable routing Shock:
Stem	RITCHEY WCS C220	Devox VariableAngle, ±8°/±16° rise, Ø31.8 mm, 43 cm: 70 mm, 47 cm : 80 mm, 51 cm: 90 mm, 54 - 56 cm: 100 mm, 58 cm: 110 mm, 61 cm: 120 mm
Handle Bar	RITCHEY MTN WCS Carbon 2x9 9° 710 / 740 mm	Devox Road Endurance, 65mm reach, 125 mm drop, Ø31.8 mm, 43-47 cm: 380 mm, 51 cm: 400 mm, 54 - 56 cm: 420 mm, 58 - 61 cm: 440 mm
Fork	FOX 32 Float SC 29 100 Remote air, remote lock out 15 mm thru axle, 1.5" tapered steerer (100 mm)	Felt Variable Road UHC Advanced carbon fiber monocoque construction, size specific Control Taper carbon fiber steerer tube, crown, blades with flat mount disc standard and 12 x 100 mm thru axle
Seatpost	RITCHEY WCS carbon (31.6)	Devox UHC Performance carbon fiber with microadjust head, Ø27.2 mm x 344 mm length
Grip	AUTHOR Pro Lock	--
Crankset	--	FSA Omega BB386 EVO, 50/34T, 43 - 47 cm: 165 mm, 51 cm: 170 mm, 54 - 56 cm: 172.5 mm, 58 - 61 cm: 175 mm
Chain	SHIMANO M7100	Shimano 11-speed
Shifters	SHIMANO XT (12)	Shimano 105 ST-R7020, 11-speed, 43 - 47 cm: Shimano 105 ST-R7025 Short-reach
Saddle	PROLOGO X Zero II	Prologo Scratch Space
Headset	--	FSA integrated sealed cartridge bearing with Felt Variable Height Cone Spacers (20 mm PC, 4.5 mm aluminum), Felt top cap, 43 - 47 cm: IS-21, 1.125", 51 - 61 cm: No.42, 1.125 - 1.5"
Derailleur Front	--	Shimano 105 R7000 clamp-on, Ø34.9 mm
Derailleur Rear	SHIMANO XT	Shimano 105 R7000 11-speed long cage
Hub Front	AUTHOR Flyer Carbon 29 TR wheel set 28 holes 15 × 110 mm thru front axle	Devox RSL3D, sealed cartridge bearing, 11-speed, 12 x 142 mm thru axle, Center Lock, 28H
Hub Rear	AUTHOR Flyer Carbon 29 TR wheel set 28 holes 12 × 148 mm thru rear axle	Devox RSL3D, sealed cartridge bearing, 12 x 100 mm thru axle, Center Lock, 28H
Spoke	SAPIM	2.0 mm stainless steel
Cassette	--	Shimano 11-speed, 11-34T
Bottom Bracket	SHIMANO BB-MT800 BB unit	--

Front	VITTORIA Barzo aramid 29" × 2.10" tubeless ready	Vittoria Zaffiro Folding, 700 x 28c
Rear	VITTORIA Barzo aramid 29" × 2.10" tubeless ready	Vittoria Zaffiro Folding, 700 x 28c
Wheel / RIM	AUTHOR Flyer Carbon 29 TR wheel set 28 holes	Devox Variable Road VR1.9, tubeless compatible 19 mm inner width, 23 mm depth

Front	--	Shimano 105 BR-R7070 hydraulic disc, 160 mm rotor
Rear	--	Shimano 105 BR-R7070 hydraulic disc, 140 mm rotor
Brake Lever	SHIMANO XT	Shimano 105 ST-R7020, hydraulic 43 - 47 cm: Shimano 105 ST-R7025 Short-reach

Front	--	--
Rear	--	--

Colors

--

Red & Black

Length	--	--
Weight	10 kg	--

Features	--	--
Additional Details	SIZE : 17", 19", 21" HEAD PARTS: AUTHOR Integrated 1.5" tapered CHAIN WHEEL : SHIMANO XT 36 teeth 170 / 175 mm cranks FREE WHEEL: SHIMANO CS-M7100 10-51 (12)	Bar tape : Felt VelvetGel tape with 3M reflective base with reflective Felt Bubble-Tech F-Wing bar end plugs Bottom Bracket : FSA BB386 with 30 mm bearings Seatpost Clamp : Felt single bolt, Ø31.8 mm Thru axle : Front: Devox leverless 12 x 100 x 123L, thread: M12 x 1.5 x 15L; Rear: Devox leverless 12 x 142 x 166L Syntace style, thread: M12 x 1.0 x 15L