Author Impulse 27.5 ASL 2021-22 vs Felt VR Advanced Ultegra 2020

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• Author Impulse 27.5 ASL 2021-22 vs Felt VR Advanced Ultegra 2020

Compare Specifications of Author Impulse 27.5 ASL 2021-22 and Felt VR Advanced Ultegra 2020

Selected Bikes

Author Impulse 27.5 ASL 2021-22 Brand: -- Select Brand -- Model: -- Select Model --

Felt VR Advanced Ultegra 2020 Brand: -- Select Brand -- / Model: -- Select Model --

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

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

Technical Specifications

Speed	24	--
Frame	Alloy 6061 27.5" (ASL)	Felt Variable 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
Stem	AUTHOR alloy	Devox SL, -7¡ rise, ¯31.8 mm, 43 - 47 cm: 80 mm, 51 cm: 90 mm, 54 - 56 cm: 100 mm, 58 cm: 110 mm, 61 cm: 120 mm
Handle Bar	AUTHOR 8° 640 / 660 mm	Devox Road Endurance, 65 mm reach, 125 mm drop, ¯31.8 mm, 43-47 cm: 380 mm, 51 cm: 400 mm, 54 - 56 cm: 420 mm, 58 - 61 cm: 440 mm
Fork	Front: RST Gila 27.5 ML lock out (100 mm)	Felt Variable 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	AUTHOR alloy (31.6)	Devox UHC Performance carbon fiber with microadjust head, 43 - 51 cm: ¯27.2 mm x 344 mm length
Grip	AUTHOR high density foam	--
Crankset	--	Shimano Ultegra R8000, 50/34T, 43 - 47cm: 165 mm, 51 cm: 170 mm, 54 - 56 cm: 172.5 mm, 58 - 61 cm: 175 mm
Pedals	Resin	--
Chain	KMC Z8.3	Shimano 11-speed
Shifters	SHIMANO Altus (24)	Shimano Ultegra R8020 11-speed
Saddle	AUTHOR Fenix	Prologo Dimension Space T4.0
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 TY700 (34.9)	Shimano Ultegra R8000 braze-on
Derailleur Rear	SHIMANO Altus	Shimano Ultegra R8000 11-speed long cage
Hub Front	QUANDO Disc 32 holes	Reynolds Series 1, straight-pull design, 12 x 100 mm thru axle, Center Lock
Hub Rear	--	Reynolds Series 1, straight-pull design, 4 pawl, 24T ratchet, 11-speed, 12 x 142 mm thru axle, Center Lock
Spoke	Black steel	Sapim Sprint double butted
Cassette	--	Shimano 11-speed, 11-34T
Bottom Bracket	VP COMP cartridge	--

Tyres

Front	AUTHOR Speed Master 27.5" × 2.00"	Vittoria Rubino Pro G+ folding, 700 x 28 c
Rear	AUTHOR Speed Master 27.5" × 2.00"	Vittoria Rubino Pro G+ folding, 700 x 28 c
Wheel / RIM	Rims: AUTHOR Xenon 27.5 32 holes	Reynolds AR29 DB Custom carbon, tubeless ready, 21 mm inner width, 29 mm depth

Brakes

Front	TEKTRO disc hydraulic (6" rotors)	Shimano R8070 hydraulic disc, 160 mm rotor
Rear	TEKTRO disc hydraulic (6" rotors)	Shimano R8070 hydraulic disc, 140 mm rotor
Brake Lever	TEKTRO WS	Shimano Ultegra R8020, hydraulic

Suspension

Front	--	--
Rear	--	--

Colors Available

Colors

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Aquafresh Midnight Blue Fade

Physical Specs

Length	--	--
Weight	14 kg	7.83 kg

Overview

Features	--	--
Additional Details	SIZE : 16", 18" HEAD PARTS: PRESTINE Integrated 1-1/8" CHAIN WHEEL : PROWHEEL 42-34-24 teeth 170 mm cranks FREE WHEEL: SHIMANO HG200-8 12-32 (8) SEAT CLAMP: AUTHOR (34.9)	Bar tape : Felt Velvet Gel tape with 3M reflective base with reflective Felt Bubble-Tech F-Wing bar end plugs Bottom Bracket : Token BB386 with 24 mm bearings Seatpost Clamp : Felt single bolt, ¯30.6 mm Thru axle : 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 Tubeless valve stems

Which one do you think is better? And why?

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