AUTHOR Ultrasonic 27,5 2020 - tripple butted alloy frame

AUTHOR Ultrasonic 27,5 2020Tripple butted alloy frame  |  RST F1RST air fork  |  SHIMANO SLX groupset

AUTHOR Ultrasonic 27,5 2020
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201920202021-22

Technical specification

Size14", 16"
Frametriple butted hydroformed alloy 6061 27.5"
Front forkRST F1RST 27.5 air lock out (80 mm)
Head partsAUTHOR Integrated 1.5" tapered
Chain WheelSUNTOUR Zeron 32 teeth 160 / 170 mm cranks
BBPartsSUNTOUR BB unit
Rear derailleurSHIMANO SLX
ShiftersSHIMANO SLX (11)
Free wheelSHIMANO M7000-11 11-46 (11)
ChainSHIMANO HG601
HubsAUTHOR Xenon 32 holes
BrakesPROMAX disc hydraulic (6" rotors)
Brakes leversPROMAX
RimsAUTHOR Xenon Pro 27.5 32 holes
Spokesstainless steel hi-ten 2.0 mm black
TiresCST B-Trail kevlar 27.5" x 2.25"
HandlebarAUTHOR Flat Top bar 9° 620 / 640 mm
GripsAUTHOR kratton rubber
StemAUTHOR alloy
Seat postAUTHOR alloy (31.6)
Seat clampAUTHOR (34.9)
SaddleAUTHOR Champion CR
Speed11
Weight11,5 kg /16"

Geometry and sizes

Size 14" 16"
Min. figure [cm] 140 155
Max. figure [cm] 158 173
S/T c-t [mm] 356 406
S/T c-c [mm] 0 0
T/T h [mm] 550 575
T/T a [mm] 544 557
H/T [mm] 110 115
C/S [mm] 420 420
W/B [mm] 1052 1067
S/T ang. [°] 74 73.5
H/T ang. [°] 69 69.5
F/L [mm] 475 475
B/B drop [mm] 45 45
B/B width [mm] 43 43
Reach [mm] 0 0
Stack [mm] 0 0
F/R [mm] 73 73
Handlebars [mm] 0 0
Stem [mm] 0 0
Cranks [mm] 0 0
max min
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AUTHOR Ultrasonic 27,5 2020

The recommended size and stature are just indicative. It is recommended to always consult your choice with the dealer.

  • S/T c-t - seat tube (center-top), length of the seat tube from the middle of BB parts to its peak
  • S/T c-c - seat tube (center-center), length of the seat tube from the middle of BB parts to an axle of the upper tube
  • T/T h - top tube horizontal, horizontal lenght of the upper tube
  • T/T a - top tube actual, real lenght of the upper tube
  • H/T - head tube, head tube lenght
  • C/S - chain stay, chain brace lenght
  • W/B - wheel base, wheelbase (front and rear axle lenght)
  • S/T ang. - seat tube angel, angle between the seat tube axis and an imaginary line connecting the axes of the front and rear wheel
  • H/T ang. - head tube angel, angle between the head tube axis and an imaginary line connecting axes of the front and rear wheels
  • F/L - fork length, fork length from the head parts bottom to the middle of the front wheel
  • B/B drop - bottom bracked drop, lenght between an imaginary line connecting wheels centers and BB parts, measured from BB parts
  • F/R - fork rake, distances between the head tube axis and fork axis measured at center of the front wheel, so-called. off set

Photogallery

ultrasonic 2020 aut1118 viewdeultrasonic 2020 aut1120 viewdeultrasonic 2020 aut1121 viewdeultrasonic 2020 aut1123 viewdeultrasonic 2020 aut1124 viewdeAUTHOR Ultrasonic 27,5 2020

Product options

silver / red / black14" = UA#42922201   16" = UA#42922202