Author Impulse 27.5 ASL 2021-22 vs Giant Fathom 29 1 2019

Compare Specifications of Author Impulse 27.5 ASL 2021-22 and Giant Fathom 29 1 2019

Selected Bikes

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

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Giant Fathom 29 1 2019
Giant Fathom 29 1 2019

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Technical Specifications
Speed 24 --
Frame Alloy 6061 27.5" (ASL) ALUXX SL-Grade Aluminum
Stem AUTHOR alloy Giant Connect, 8-degree
Handle Bar AUTHOR 8° 640 / 660 mm Giant Connect Trail, 780 mm x 31.8 mm
Fork Front: RST Gila 27.5 ML lock out (100 mm) Suntour Axon 32 LO-RC, 100 mm travel, alloy steerer, low- compression and rebound adjust, QR 15 x 110 mm
Seatpost AUTHOR alloy (31.6) Giant Contact Switch dropper post with remote lever, 30.9 mm
Grip AUTHOR high density foam --
Crankset -- Praxis Cadet, Boost, 30
Pedals Resin --
Chain KMC Z8.3 KMC X11-1
Shifters SHIMANO Altus (24) Shimano SLX, 1 x 11
Saddle AUTHOR Fenix Giant Contact (neutral)
Derailleur Front SHIMANO TY700 (34.9) --
Derailleur Rear SHIMANO Altus Shimano SLX , Shadow+
Hub Front QUANDO Disc 32 holes Giant Tracker Sport Boost QR 141, loose ball
Hub Rear -- Giant Tracker Performance Boost 15 x 110 mm, sealed bearing
Spoke Black steel Sapim
Cassette -- Shimano SLX, 11 x 46
Bottom Bracket VP COMP cartridge --
Tyres
Front AUTHOR Speed Master 27.5" × 2.00" Maxxis IKON 29 x 2.2 folding, 60 tpi, TR/EXO, tubeless
Rear AUTHOR Speed Master 27.5" × 2.00" Maxxis IKON 29 x 2.2 folding, 60 tpi, TR/EXO, tubeless
Wheel / RIM Rims: AUTHOR Xenon 27.5 32 holes Giant XCT 29, tubeless ready, sleeve-joint rim, 25 mm inner width
Brakes
Front TEKTRO disc hydraulic (6" rotors) Shimano BR-MT400 180 mm, hydraulic disc
Rear TEKTRO disc hydraulic (6" rotors) Shimano BR-MT400 160 mm, hydraulic disc
Brake Lever TEKTRO WS Shimano BL-MT400
Suspension
Front -- --
Rear -- --
Colors Available
Colors -- Matte Gun Metal Black
Gloss Black
Gloss White


Physical Specs
Length -- --
Weight 14 kg --
Overview
Features -- - XC control
- Proven alloy performance
- Balance and stability
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)
Bottom Bracket : Praxis

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