Author Ultrasonic 27.5 2021-22 vs Avanti Giro F4 Road Bike

Compare Specifications of Author Ultrasonic 27.5 2021-22 and Avanti Giro F4 Road Bike

Selected Bikes

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

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Avanti Giro F4 Road Bike
Avanti Giro F4 Road Bike

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Technical Specifications
Speed 11 --
Frame Triple butted hydroformed alloy 6061 27.5" ADT 6061 Formtech Alloy, Disc Brake Design, smooth weld
Stem AUTHOR alloy Syncros 3.0 Alloy, 31.8mm, 7 deg rise
Handle Bar AUTHOR Flat Top bar 9° 620 / 640 mm Syncros 3.0 Butted Alloy, 31.8mm with 12 mm rise, 9 deg sweep
Fork Front : RST F1RST 27.5 air, lock out (80 mm) ADT E1 Carbon disc brake with Alloy 1-1/8" Steerer
Seatpost AUTHOR alloy (31.6) Syncros 3.0 Alloy 27.2 mm
Grip AUTHOR kratton rubber Syncros Trail with VEXK
Crankset -- Shimano MT210 2-pce 46/30T
Pedals Alloy Nylon platform with ball bearings
Chain KMC X11 KMC X9
Shifters SHIMANO SLX (11) Shimano Altus 18sp
Saddle AUTHOR Champion Author Navigator Syncros Belcarra 2.5
Headset -- Integrated Aheadset 1-1/8"
Derailleur Front -- Shimano Acera T3000
Derailleur Rear SHIMANO SLX Shimano Altus 9sp Shadow
Hub Front AUTHOR Xenon 32 holes --
Hub Rear -- Shimano RM35 Centrelock Cassette 32H
Spoke Black stainless steel 2.0 mm Stainless Steel
Cassette -- Shimano HG200 11-36T 9-Speed
Bottom Bracket PROWHEL BB unit --
Tyres
Front CST B-Trail aramid 27.5" × 2.25" Kenda Kwick Roller 700 x 35c with FV tubes
Rear CST B-Trail aramid 27.5" × 2.25" Kenda Kwick Roller 700 x 35c with FV tubes
Wheel / RIM Rims :AUTHOR Xenon TRC 27.5 32 holes Double-wall Alloy 32H
Brakes
Front TEKTRO Gemini disc hydraulic (6" rotors) Shimano MT200 Hydraulic Disc
Rear TEKTRO Gemini disc hydraulic (6" rotors) --
Brake Lever TEKTRO Gemini WS Shimano
Suspension
Front -- --
Rear -- --
Colors Available
Colors -- Matte Black / Bronze


Physical Specs
Length -- --
Weight 12 kg --
Overview
Features -- - Avanti Design Tech FormTech alloy frame with lifetime warranty
- Avanti carbon fork for lighter weight and a smoother ride
- Shimano 2x9 speed components are lightweight with plenty of gearing options
- Shimano hydraulic disc brakes for responsive braking, rain, hail or shine
- Light alloy wheels with Shimano hubs and 35mm wide tyres, for reliability and confident grip
Additional Details SIZE :14", 16"
HEAD PARTS: AUTHOR Integrated 1.5" tapered
CHAIN WHEEL : PROWHEEL 32 teeth 165 / 170 mm cranks
Sizes :S, M, L, XL
Bottom Bracket : Cartridge

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