Author Ultrasonic 27.5 2021-22 vs Jamis DXT A2

Compare Specifications of Author Ultrasonic 27.5 2021-22 and Jamis DXT A2

Selected Bikes

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

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Jamis DXT A2
Jamis DXT A2

Brand:

Model:

Brand:

Model:

Brand:

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Technical Specifications
Speed 11 --
Frame Triple butted hydroformed alloy 6061 27.5" Size Specific Design 6061 aluminum with fast back rear triangle, 1 1/8” head tube, internal cable routing, chain stays disc brake mounts, 34.9mm seat tube, kickstand mount, replaceable derailleur hanger, fender/rack eyelets and ring lock mount eyelets.
Stem AUTHOR alloy Jamis Trekking, 3D forged alloy, 15˚ rise, Length-60mm (15-17”), 90mm (19-23”)
Handle Bar AUTHOR Flat Top bar 9° 620 / 640 mm Jamis Riser bar, double-butted aluminum, 25.4 x 10˚ sweep x 20mm rise x 640mm (15”), 660mm (17-23”)
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 ERGO Type Grip
Crankset -- Shimano FC-TY501-2, 46/30, 170mm (15-17”), 175mm (19-23”)
Pedals Alloy Platform style
Chain KMC X11 KMC Z7
Shifters SHIMANO SLX (11) Shimano Altus Rapid Fire SL-M315, 24-speed
Saddle AUTHOR Champion Author Navigator Jamis Touring with SL cover
Headset -- Internal Cup, threadless, 1 1/8”
Derailleur Front -- Shimano FD-TY710-2
Derailleur Rear SHIMANO SLX Shimano Acera RD-M360
Hub Front AUTHOR Xenon 32 holes --
Spoke Black stainless steel 2.0 mm 14g stainless steel spokes
Cassette -- Shimano HG31, 8-speed, 11-32T
Bottom Bracket PROWHEL BB unit VP sealed cartridge, 68 x 122.5mm
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 Alex TD26 disc specific double wall alloy rims, 36H, alloy disc hubs with QR
Brakes
Front TEKTRO Gemini disc hydraulic (6" rotors) Tektro HD-M275/276 hydraulic disc brakes with 160mm rotors 15” M276 (83mm reach); 17-23” M275 (88mm reach)
Rear TEKTRO Gemini disc hydraulic (6" rotors) Tektro HD-M275/276 hydraulic disc brakes with 160mm rotors 15” M276 (83mm reach); 17-23” M275 (88mm reach)
Brake Lever TEKTRO Gemini WS Tektro brake lever
Suspension
Front -- --
Rear -- --
Colors Available
Colors -- Ano Black


Physical Specs
Length -- --
Weight 12 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 : 15”, 17”, 19”, 21”, 23"

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