Author Ultrasonic 27.5 2021-22 vs Trek Wahoo 24

Compare Specifications of Author Ultrasonic 27.5 2021-22 and Trek Wahoo 24

Selected Bikes

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

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Trek Wahoo 24
Trek Wahoo 24

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Model:

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Technical Specifications
Load Carrying Capacity -- Combined weight of bicycle, rider, and cargo of 175 pounds (80 kg)
Speed 11 --
Frame Triple butted hydroformed alloy 6061 27.5" Alpha Silver Aluminum, 24''
Stem AUTHOR alloy Bontrager alloy, 31.8 mm, Blendr compatible, 7 degree, 60 mm length
Handle Bar AUTHOR Flat Top bar 9° 620 / 640 mm Bontrager alloy, 31.8 mm, 15 mm rise, 580 mm width
Fork Front : RST F1RST 27.5 air, lock out (80 mm) Wahoo 24'' alloy with ThruSkew
Seatpost AUTHOR alloy (31.6) Bontrager Comp, 6061 alloy, 27.2 mm, 8 mm offset, 250 mm length
Grip AUTHOR kratton rubber Kids' Kraton
Crankset -- Alloy, 28T steel chain ring w/guard, 152 mm length
Pedals Alloy Kids' 9/16''
Chain KMC X11 KMC Z8.3, 8 speed
Shifters SHIMANO SLX (11) Shimano Altus M315, 8 speed
Saddle AUTHOR Champion Author Navigator Kid's 24'' size, padded
Headset -- VP 1-1/8'', semi-Integrated
Derailleur Rear SHIMANO SLX Shimano Altus M310
Hub Front AUTHOR Xenon 32 holes Formula FM32 alloy, 135 x 5 mm
Hub Rear -- Formula alloy, 100 mm ThruSkew
Spoke Black stainless steel 2.0 mm 14g stainless steel
Cassette -- Shimano HG31, 11-34, 8 speed
Bottom Bracket PROWHEL BB unit Sealed cartridge
Tyres
Front CST B-Trail aramid 27.5" × 2.25" 24 x 1.95''
Rear CST B-Trail aramid 27.5" × 2.25" 24 x 1.95''
Wheel / RIM Rims :AUTHOR Xenon TRC 27.5 32 holes Alloy 24'', 28h
Brakes
Front TEKTRO Gemini disc hydraulic (6" rotors) Alloy linear-pull
Rear TEKTRO Gemini disc hydraulic (6" rotors) Alloy linear-pull
Brake Lever TEKTRO Gemini WS Kids' alloy brake lever, black
Suspension
Front -- --
Rear -- --
Colors Available
Colors -- Viper Red/Trek Black
Lithium Grey/Radioactive Red
Waterloo Blue/Quicksilver


Physical Specs
Length -- --
Weight 12 kg 9.58 kg
Overview
Features -- --
Additional Details SIZE :14", 16"
HEAD PARTS: AUTHOR Integrated 1.5" tapered
CHAIN WHEEL : PROWHEEL 32 teeth 165 / 170 mm cranks
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