AUTHOR Ultrasonic 27,5 2019 - tripple butted alloy frame

AUTHOR Ultrasonic 27,5 2019Tripple butted alloy frame  |  RST F1RST air fork  |  SHIMANO SLX groupset

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Ultrasonic 27,5
AUTHOR Ultrasonic 27,5 2019

Technical specification

Size14", 16"
Frametriple butted hydroformed alloy 6061 26"
Front forkRST F1RST 27 air, lock out (80 mm)
Head partsAUTHOR Integrated 1.5" tapered
Chain WheelSUNTOUR Zeron 32 teeth 160 / 170mm 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
Spokesblack stainless steel 2.0 mm
TiresCST B-Trail kevlar 27.5" x 2.25"
HandlebarAUTHOR Flat Top bar 9° 620 / 640 mm
GripsAUTHOR high density foam
StemAUTHOR alloy
Seat postAUTHOR alloy (31.6)
Seat clampAUTHOR (34.9)
SaddleAUTHOR Champion CR
Speed11
Weight11,8kg / 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] 73 73
Reach [mm] 0 0
Stack [mm] 0 0
F/R [mm] 43 43
Handlebars [mm] 0 0
Stem [mm] 0 0
Cranks [mm] 0 0
max min
silueta
AUTHOR Ultrasonic 27,5 2019

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

ultrasonic27.5 aut 6220 viewdeultrasonic27.5 aut 6221 viewdeultrasonic27.5 aut 6256 viewdeAUTHOR Ultrasonic 27,5 2019

Videogallery

Product options

silver / red / black14" = UA#42904201   16" = UA#42904202