Author Impulse 27.5 ASL 2021-22 vs Trek 2020 Emonda SLR 9 Disc eTap

Compare Specifications of Author Impulse 27.5 ASL 2021-22 and Trek 2020 Emonda SLR 9 Disc eTap

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

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Trek 2020 Emonda SLR 9 Disc eTap
Trek 2020 Emonda SLR 9 Disc eTap

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Technical Specifications
Speed 24 --
Frame Alloy 6061 27.5" (ASL) Ultralight 700 Series OCLV Carbon, Ride Tuned performance tube optimization, tapered head tube, Control Freak internal routing, Ride Tuned seatmast, DuoTrap S compatible, flat mount disc,
Stem AUTHOR alloy --
Handle Bar AUTHOR 8° 640 / 660 mm Bontrager XXX Barstem Combo, OCLV Carbon, Blendr compatible
Fork Front: RST Gila 27.5 ML lock out (100 mm) Emonda SLR full carbon, tapered carbon steerer, internal brake routing, flat mount disc
Seatpost AUTHOR alloy (31.6) Bontrager Ride Tuned carbon seatmast cap, 20 mm offset
Grip AUTHOR high density foam Bontrager Supertack Perf tape
Crankset -- SRAM RED D1, 24 mm spindle
Pedals Resin --
Chain KMC Z8.3 SRAM RED D1, 12 speed
Shifters SHIMANO Altus (24) SRAM RED eTap AXS, 12 speed
Saddle AUTHOR Fenix Bontrager XXX, OCLV Carbon shell and rails, 154 mm width
Headset -- FSA Integrated, sealed cartridge bearing, 1-1/8 top, 1.5 bottom
Derailleur Front SHIMANO TY700 (34.9) SRAM RED eTap AXS, braze-on
Derailleur Rear SHIMANO Altus SRAM RED eTap AXS, Orbit chain management, 33 T max cog
Hub Front QUANDO Disc 32 holes --
Spoke Black steel --
Cassette -- SRAM RED XG-1290, 10-28, 12 speed
Chainrings -- 48 / 35
Bottom Bracket VP COMP cartridge --
Tyres
Front AUTHOR Speed Master 27.5" × 2.00" Bontrager R4 320 Handmade Clincher, Hard-Case Lite, 320 tpi, 700 x 25 c
Rear AUTHOR Speed Master 27.5" × 2.00" Bontrager R4 320 Handmade Clincher, Hard-Case Lite, 320 tpi, 700 x 25 c
Wheel / RIM Rims: AUTHOR Xenon 27.5 32 holes Bontrager Aeolus XXX 2, OCLV Carbon, Tubeless Ready, 21mm rim width, 28 mm rim depth, 12 mm thru-axle
Brakes
Front TEKTRO disc hydraulic (6" rotors) SRAM Red hydraulic disc, flat mount, 160 mm rotors
Rear TEKTRO disc hydraulic (6" rotors) SRAM Red hydraulic disc, flat mount, 160 mm rotors
Brake Lever TEKTRO WS --
Suspension
Front -- --
Rear -- --
Colors Available
Colors -- Viper Red


Physical Specs
Length -- --
Weight 14 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)
Axles
Front : 12 x 100 mm thru axle
Rear : 142 x 12 mm thru axle
Bottom Bracket : Trek BB90

Which one do you think is better? And why?
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