Author Ultrasonic 27.5 2021-22 vs Fondriest TF1D

Compare Specifications of Author Ultrasonic 27.5 2021-22 and Fondriest TF1D

Selected Bikes

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

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Fondriest TF1D
Fondriest TF1D

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Technical Specifications
Speed 11 --
Frame Triple butted hydroformed alloy 6061 27.5" --
Stem AUTHOR alloy Deda Zero Alloy
Handle Bar AUTHOR Flat Top bar 9° 620 / 640 mm Deda Zero Alloy
Fork Front : RST F1RST 27.5 air, lock out (80 mm) --
Seatpost AUTHOR alloy (31.6) Fondriest Alloy
Grip AUTHOR kratton rubber --
Pedals Alloy --
Chain KMC X11 Chainwheel : Shimano Ultegra R800050 / 34; 52/36; 53/39
Shifters SHIMANO SLX (11) Levers : Shimano Ultegra R8050
Saddle AUTHOR Champion Author Navigator Selle Italia XR
Derailleur Rear SHIMANO SLX Shimano Ultegra R8050
Hub Front AUTHOR Xenon 32 holes --
Spoke Black stainless steel 2.0 mm --
Bottom Bracket PROWHEL BB unit --
Tyres
Front CST B-Trail aramid 27.5" × 2.25" Race victory 700x25
Rear CST B-Trail aramid 27.5" × 2.25" Race victory 700x25
Wheel / RIM Rims :AUTHOR Xenon TRC 27.5 32 holes Vision Team 30DB
Brakes
Front TEKTRO Gemini disc hydraulic (6" rotors) Shimano Ultegra R8070
Rear TEKTRO Gemini disc hydraulic (6" rotors) Shimano Ultegra R8070
Brake Lever TEKTRO Gemini WS --
Suspension
Front -- --
Rear -- --
Colors Available
Colors -- Black


Physical Specs
Length -- --
Weight 12 kg --
Overview
Features -- - FLAT MOUNT
- TA12
- CARBON DROPOUT
- TAPERED HEAD TUBE
- CARBON UD
- INTERNAL CABLE SYSTEM
- PRESS FIT
- 4 PEAKS
Additional Details SIZE :14", 16"
HEAD PARTS: AUTHOR Integrated 1.5" tapered
CHAIN WHEEL : PROWHEEL 32 teeth 165 / 170 mm cranks
Size : XS - S - M - L - XL
Boxes : Shimano Ultegra R8000 11/28; 11/34

Which one do you think is better? And why?
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