Author Ultrasonic 27.5 2021-22 vs Jamis DXT A1 Step-Over

Compare Specifications of Author Ultrasonic 27.5 2021-22 and Jamis DXT A1 Step-Over

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

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Jamis DXT A1 Step-Over
Jamis DXT A1 Step-Over

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Model:

Brand:

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Technical Specifications
Speed 11 --
Frame Triple butted hydroformed alloy 6061 27.5" Size Specific Design Triple-butted 6061 aluminum with fast back rear triangle, 1 1/8” head tube, internal cable routing, oval chain stays with post mount disc brake with kickstand mount, 34.9mm seat tube, replaceable derailleur hanger and fender/rack eyelets.
Stem AUTHOR alloy Jamis Trekking, 3D forged alloy, 10˚ rise, 90mm
Handle Bar AUTHOR Flat Top bar 9° 620 / 640 mm Jamis Riser bar, 6061 double-butted aluminum, 31.8 x 20mm rise x 10˚ sweep x 640mm (14-18”), 660mm (20”)
Fork Front : RST F1RST 27.5 air, lock out (80 mm) SR/Suntour NVX HLO, aluminum lowers, coil spring, 28mm stanchions, 1-1/8” steerer, aluminum crown, hydraulic lock out, 75mm travel
Seatpost AUTHOR alloy (31.6) Jamis alloy micro-adjust, 31.6 x 350mm alloy clamp with QR seatpin
Grip AUTHOR kratton rubber Anatomic double density kraton grip with gel
Crankset -- SAMOX Alloy forged crank with 32T steel chainring(BCD104), 170mm
Pedals Alloy Full alloy platform, toe clip attachable
Chain KMC X11 KMC Z9
Shifters SHIMANO SLX (11) MicroShift Advent Xpress shifter with bearing, 9-speed
Saddle AUTHOR Champion Author Navigator Selle Royal Vivo ERGO Women’s
Headset -- FSA Internal cup, threadless 1 1/8”
Derailleur Rear SHIMANO SLX MicroShift Advent Active Motion RD+ with clutch real deraillier
Hub Front AUTHOR Xenon 32 holes --
Spoke Black stainless steel 2.0 mm 14g stainless steel spokes
Cassette -- MicroShift 11-42T
Bottom Bracket PROWHEL BB unit FSA sealed cartridge, 68 x 110.5mm
Tyres
Front CST B-Trail aramid 27.5" × 2.25" CST Dual Sport Tire, 700 x 42c
Rear CST B-Trail aramid 27.5" × 2.25" CST Dual Sport Tire, 700 x 42c
Wheel / RIM Rims :AUTHOR Xenon TRC 27.5 32 holes WTB STX i23 TCS (UST Tubeless Compliant System) disc rims, 32H, Joytec disc hubs
Brakes
Front TEKTRO Gemini disc hydraulic (6" rotors) Tektro HD-276 hydraulic disc brakes with 83mm reach, 160mm rotors and Tektro brake levers.
Rear TEKTRO Gemini disc hydraulic (6" rotors) Tektro HD-276 hydraulic disc brakes with 83mm reach, 160mm rotors and Tektro brake levers.
Brake Lever TEKTRO Gemini WS --
Suspension
Front -- --
Rear -- --
Colors Available
Colors -- Ano Deep Blue


Physical Specs
Length -- --
Weight 12 kg 13.1 kg
Overview
Features -- --
Additional Details SIZE :14", 16"
HEAD PARTS: AUTHOR Integrated 1.5" tapered
CHAIN WHEEL : PROWHEEL 32 teeth 165 / 170 mm cranks
Sizes : 14”, 18”, 20”

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