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AUTHOR Ultrasonic 27,5 2019
ultrasonic27.5 aut 6220 viewde
ultrasonic27.5 aut 6221 viewde
ultrasonic27.5 aut 6256 viewde
AUTHOR Ultrasonic 27,5 2019ultrasonic27.5 aut 6220 viewdeultrasonic27.5 aut 6221 viewdeultrasonic27.5 aut 6256 viewde
  » Bicycles » junior » junior 27.5
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AUTHOR Ultrasonic 27,5 2019Archivní model 2019

Colour variants
1
Tripple butted alloy frameRST F1RST air forkSHIMANO SLX groupset
special price 22 990 Kč
original price  27 990 Kč SOLD OUT
other models
Interested in other model`s year?

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
maxmin
silueta
Choose the height of the character by moving the pointer on the scale.
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

Product options

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

additional accessories

AUTHOR Bottle cage ABC-60
with bottle
1/2
225 KčABC-60AUTHOR FLY 33 One-Piece Gloss Bottle Cage is made of durable glass fibre-reinforced polyamide and is ... more »
AUTHOR Sadle bag A-S381 QF9 X7
fixation
1/2
399 KčS381 QF9 X7The Author saddle bag A-S381 is the easy bag with the Quick Fix 9 bracket for easy click ON/OFF and ... more »
AUTHOR Stand AKS-530 RS
foto 1
1/2
399 KčAKS-530 RSAlloy kick stand designed for direct rear fork down tube fixation (tube profile 22 - 32 mm), recomen ... more »
AUTHOR Mudguard rear X-Bow
adjusting
assembly
top
back
1/5
299 KčX-BowRear mudguard AUTHOR, modern shorter mudguards with universal bracket, fabric plastic. Weight 163g. more »
AUTHOR Mudguard front X-Bow QR
adapters
foto 1
1/3
350 KčX-Bow QRMudguard Author X-BOW QR  with aerodynamic flow design is perfect for XC ride. Fits suspension or ... more »
AUTHOR Mudguard front X-Flap
foto 1
1/2
199 KčX-FlapAuthor X-Flap is a lightweight and effective front mudguard for MTB suspension bikes. Compatible wit ... more »