Author Impulse 27.5 ASL 2021-22 vs Boardman SLR 8.9 Disc Carbon 2021

Compare Specifications of Author Impulse 27.5 ASL 2021-22 and Boardman SLR 8.9 Disc Carbon 2021

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Author Impulse 27.5 ASL 2021-22
Author Impulse 27.5 ASL 2021-22

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Boardman SLR 8.9 Disc Carbon 2021
Boardman SLR 8.9 Disc Carbon 2021

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Model:

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Technical Specifications
Speed 24 --
Frame Alloy 6061 27.5" (ASL) C7 Carbon Disc - Aero-Optimised
Stem AUTHOR alloy Boardman Alloy, 31.8 mm clamp
Handle Bar AUTHOR 8° 640 / 660 mm Boardman Alloy, 31.8 mm clamp, 70 mm reach, 120 mm drop
Fork Front: RST Gila 27.5 ML lock out (100 mm) C7 Carbon Disc with tapered steerer
Seatpost AUTHOR alloy (31.6) Boardman Alloy, 27.2 mm
Grip AUTHOR high density foam --
Crankset -- Shimano 105 R7000 50-34
Pedals Resin Toe strap road, 9/16”
Chain KMC Z8.3 KMC X11
Shifters SHIMANO Altus (24) Shimano 105 2x11
Saddle AUTHOR Fenix Boardman SLR
Headset -- FSA Orbit C-40 ACB, 1 1/8” - 1.5” Tapered, Integrated
Derailleur Front SHIMANO TY700 (34.9) Shimano 105 braze- on
Derailleur Rear SHIMANO Altus Shimano 105 R7000 11 speed
Hub Front QUANDO Disc 32 holes Formula 142 mmx12 mm
Hub Rear -- Formula 100 mm x12 mm
Spoke Black steel Double Butted Stainless Steel, Radial front, 2X rear
Cassette -- Shimano CS-R7000 11 speed, 11-30
Bottom Bracket VP COMP cartridge Shimano Press Fit
Tyres
Front AUTHOR Speed Master 27.5" × 2.00" Vittoria Rubino Pro G2.0 folding, 700 x 28c
Rear AUTHOR Speed Master 27.5" × 2.00" Vittoria Rubino Pro G2.0 folding, 700 x 28c
Wheel / RIM Rims: AUTHOR Xenon 27.5 32 holes Boardman SLR Alloy Disc
Brakes
Front TEKTRO disc hydraulic (6" rotors) Shimano 105 Hydraulic Disc Brake - 160 mm Centrelock Rotor
Rear TEKTRO disc hydraulic (6" rotors) --
Brake Lever TEKTRO WS --
Suspension
Front -- --
Rear -- --
Colors Available
Colors -- --


Physical Specs
Length -- --
Weight 14 kg 9.4 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)
Handlebar Tape : Boardman Soft-grip

Which one do you think is better? And why?
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