Author Ultrasonic 27.5 2021-22 vs Liv Avow Advanced Pro 2

Compare Specifications of Author Ultrasonic 27.5 2021-22 and Liv Avow Advanced Pro 2

Selected Bikes

Author Ultrasonic 27.5 2021-22
Author Ultrasonic 27.5 2021-22

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Liv Avow Advanced Pro 2
Liv Avow Advanced Pro 2

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Model:

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Technical Specifications
Speed 11 --
Frame Triple butted hydroformed alloy 6061 27.5" Advanced-Grade Composite
Stem AUTHOR alloy Avow, alloy
Handle Bar AUTHOR Flat Top bar 9° 620 / 640 mm Liv Avow, carbon base bar
Fork Front : RST F1RST 27.5 air, lock out (80 mm) Advanced-Grade Composite, alloy OverDrive steerer
Seatpost AUTHOR alloy (31.6) Avow, composite
Grip AUTHOR kratton rubber --
Crankset -- Shimano Ultegra 36/52, Giant Power Pro power meter
Pedals Alloy --
Chain KMC X11 KMC X11SL-1
Shifters SHIMANO SLX (11) Shimano SL-BSR1
Saddle AUTHOR Champion Author Navigator ISM PS1.0
Derailleur Front -- Shimano Ultegra
Derailleur Rear SHIMANO SLX Shimano Ultegra
Hub Front AUTHOR Xenon 32 holes Giant P-A2 wheelset
Hub Rear -- Giant P-A2 wheelset
Spoke Black stainless steel 2.0 mm Giant P-A2 wheelset
Cassette -- Shimano Ultegra, 11 x 30
Bottom Bracket PROWHEL BB unit Shimano, press fit
Tyres
Front CST B-Trail aramid 27.5" × 2.25" Giant AC 1, 700 x 25c, tubeless
Rear CST B-Trail aramid 27.5" × 2.25" Giant AC 1, 700 x 25c, tubeless
Wheel / RIM Rims :AUTHOR Xenon TRC 27.5 32 holes Giant P-A2 wheelset
Brakes
Front TEKTRO Gemini disc hydraulic (6" rotors) Giant SpeedControl SL
Rear TEKTRO Gemini disc hydraulic (6" rotors) Giant SpeedControl SL
Brake Lever TEKTRO Gemini WS Giant Trinity
Suspension
Front -- --
Rear -- --
Colors Available
Colors -- Echeveria


Physical Specs
Length -- --
Weight 12 kg --
Overview
Features -- --
Additional Details SIZE :14", 16"
HEAD PARTS: AUTHOR Integrated 1.5" tapered
CHAIN WHEEL : PROWHEEL 32 teeth 165 / 170 mm cranks
Sizes : XS, S, M
Extras : Integrated hydration, integrated food storage, AeroVault system, tubeless prepared

Which one do you think is better? And why?
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