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AUTHOR Ultrasonic 24 2021-22
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AUTHOR Ultrasonic 24 2021-22Archivní model 2021-22

Colour variants
Tripple butted alloy frameSHIMANO ALIVIO componentsKENDA kevlar tires
Buy nowprice 17 290 Kč
Are you looking for the perfect machine for your talented racer, or do you just want the best in its category? Author Ultrasonic 24 on a very light triple butted frame with so-called hydroforming technology, which guarantees perfect strength, durability and significant weight savings. Performance-oriented racing geometry, lightweight alloy fork, KENDA Kevlar tires and SHIMANO Alivio components.
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Technical specification

Size12"
Frametriple butted hydroformed alloy 6061 24"
Front forkalloy 6061 24"
Head partsAUTHOR Integrated 1.5" tapered
Chain WheelLASCO 32 teeth 150 mm cranks
BBPartsVP COMP cartridge
Rear derailleurSHIMANO Alivio
ShiftersSHIMANO Alivio (9)
Free wheelSHIMANO HG400-9 11-36 (9)
ChainKMC Z9
HubsQUANDO 24 holes
BrakesTEKTRO V
Brakes leversTEKTRO alloy
Rimsalloy 24 holes
Spokesblack stainless steel 2.0 mm
TiresKENDA Small Block Eight aramid 24" × 1.95"
Pedalsalloy
HandlebarAUTHOR Flat Top bar 0 mm 600 mm
GripsAUTHOR kratton rubber
StemAUTHOR alloy
Seat postAUTHOR alloy (31.6)
Seat clampAUTHOR (34.9)
SaddleAUTHOR Champion
Speed9
Weight9,8 kg / 12"

Geometry and sizes

Size 12"
Min. figure [cm] 125
Max. figure [cm] 140
S/T c-t [mm] 305
S/T c-c [mm] 0
T/T h [mm] 500
T/T a [mm] 482
H/T [mm] 110
C/S [mm] 400
W/B [mm] 965
S/T ang. [°] 73
H/T ang. [°] 70
F/L [mm] 372
B/B drop [mm] 25
B/B width [mm] 68
Reach [mm] 0
Stack [mm] 0
F/R [mm] 45
Handlebars [mm] 0
Stem [mm] 0
Cranks [mm] 0
maxmin
silueta
Choose the height of the character by moving the pointer on the scale.
AUTHOR Ultrasonic 24 2021-22

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

Availability

Colour variantSizeIn storesPurchaseCityContacts on sellerModel code
12"6 stores42932801
 ▪   CEMOSin stockbuy nowKaznějov777 668 339, obchod@cemos.czmap
 ▪   Velo Vít Sportin stockbuy nowKostelec nad Orlicí494 321 123, prodejna@kolakostelec.czmap
 ▪   AXIT bike sportin stockbuy nowNáchod491 426 020, axit@axit.czmap
 ▪   Velo Fialain stockbuy nowPraha 6725 729 111, tomas@velofiala.czmap
 ▪   Sedláček s.r.o. in stockbuy nowPříbram 1318 621 473, info@cyklosport-sedlacek.czmap
 ▪   Flystorkin stockbuy nowTřebíč530 513 203, obchod@flystork.czmap
⟲  In other storesin 2 daysdealers
Poznámka: Stav dostupnosti kola se aktualizuje 1× denně v ranních hodinách.

Product options

blue-matt / lime12" = UA#42932801

additional accessories

AUTHOR Bottle cage ABC-37
AUTHOR Bottle cage ABC-37
AUTHOR Bottle cage ABC-37
1/3
250 KčABC-37Bottle cage, Light AL 6061T bottle cage, strong construction with universal mount, bottle removing f ... more »
AUTHOR Saddle bag A-S381 TPN X7
light fixation
back
side
1/4
299 KčS381 TPN X7The Author saddle bag A-S381 is the easy bag with the one main compartment. Designed for long satisf ... 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-500 R
mounting on Ronin
1/2
550 KčAKS-500 RKick Stand Author for rear fork fixation. Adjustable for wheel diameter 24"-29". Material AL606 ... 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 »