Author Magnum 29 2021-22 vs Felt FR FRD Ultimate Dura-Ace DI2 2020

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• Author Magnum 29 2021-22 vs Felt FR FRD Ultimate Dura-Ace DI2 2020

Compare Specifications of Author Magnum 29 2021-22 and Felt FR FRD Ultimate Dura-Ace DI2 2020

Selected Bikes

Author Magnum 29 2021-22 Brand: -- Select Brand -- Model: -- Select Model --

Felt FR FRD Ultimate Dura-Ace DI2 2020 Brand: -- Select Brand -- / Model: -- Select Model --

Brand: -- Select Brand -- Model: -- Select Model --

Brand: -- Select Brand -- Model: -- Select Model --

Technical Specifications

Frame	AUTHOR carbon Toray T700/800 monocoque 29"	Felt Race Road UHC Ultimate + TeXtreme carbon fiber, MMC with Inside Out construction, carbon fiber BB386 bottom bracket shell, 12 x 142 mm Syntace style thru axle, flat mount disc brake standard, CNC aluminum replaceable rear derailleur hanger, external mechanical or internal electronic cable routing
Stem	RITCHEY WCS C220	Pro Components Vibe, -10¡ rise, ¯31.8 mm, 43 cm: 80 mm, 47 - 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	Pro Components Vibe Carbon handlebar compact carbon fiber, ¯31.8 mm, 43 - 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 Race Road UHC Advanced + TeXtreme carbon fiber monocoque construction, size specific Control Taper carbon fiber steerer tube, integrated crown race, crown and blades. Flat mount disc standard, 12 x 100 mm thru axle
Seatpost	RITCHEY WCS carbon (31.6)	Pro Components Vibe, 20 mm offset, ¯27.2 mm x 400 mm length
Grip	AUTHOR Pro Lock	--
Crankset	--	Shimano Dura-Ace R9100, 52/36T, 43 - 47 cm: 165 mm, 51 cm: 170 mm, 54 - 56 cm: 172.5 mm, 58 - 61 cm: 175 mm
Chain	SHIMANO M7100	Shimano Dura-Ace 11-speed
Shifters	SHIMANO XT (12)	Shimano Dura-Ace Di2 R9170 11-speed
Saddle	PROLOGO X Zero II	Prologo Dimension Nack
Headset	--	FSA integrated sealed cartridge bearing with carbon fiber cone spacer, Felt top cap, 43 - 47 cm: IS-21, 1.125", 51 - 54 cm: No.382, 1.125 - 1.25", 56 - 61 cm: No.42, 1.125 - 1.5"
Derailleur Front	--	Shimano Dura-Ace R9150 Di2 braze-on
Derailleur Rear	SHIMANO XT	Shimano Dura-Ace R9150 Di2 11-speed short cage
Hub Front	AUTHOR Flyer Carbon 29 TR wheel set 28 holes 15 × 110 mm thru front axle	--
Hub Rear	AUTHOR Flyer Carbon 29 TR wheel set 28 holes 12 × 148 mm thru rear axle	--
Spoke	SAPIM	--
Cassette	--	Shimano Dura-Ace 11-speed, 11-28T
Bottom Bracket	SHIMANO BB-MT800 BB unit	--

Tyres

Front	VITTORIA Barzo aramid 29" × 2.10" tubeless ready	Continental Grand Prix 5000 Tubeless, 700 x 25c
Rear	VITTORIA Barzo aramid 29" × 2.10" tubeless ready	Continental Grand Prix 5000 Tubeless, 700 x 25c
Wheel / RIM	AUTHOR Flyer Carbon 29 TR wheel set 28 holes	Shimano Dura-Ace WH-R9170-C40-TL-R12 Carbon

Brakes

Front	--	Shimano Dura-Ace R9170 hydraulic disc, 160 mm rotor
Rear	--	Shimano Dura-Ace R9170 hydraulic disc, 140 mm rotor
Brake Lever	SHIMANO XT	Shimano Dura-Ace R9170, hydraulic

Suspension

Front	--	--
Rear	--	--

Colors Available

Colors

--

Matte TeXtreme (White, Blue)

Physical Specs

Length	--	--
Weight	10 kg	6.91 kg

Overview

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 : Ceramic speed BB386 with 24 mm bearings Seatpost Clamp : 7075 CNC aluminum, titanium bolt and scandium nut, ¯30.6 mm Thru Axles : Front: 12 x 100 x 123, thread: M12 x 1.5P x 16L, Maxle; Rear: 12 x 142 x 163 (163L + 7 head = 170 total), thread: M12 x 1.0P x 19L, Syntace
Accessories	--	Carbon assembly paste, Chain plate protector, Di2 battery charger

Which one do you think is better? And why?

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