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AUTHOR Aura XR4 2020
auraxr4 2020 aut1480 viewde
auraxr4 2020 aut1488 viewde
auraxr4 2020 aut1489 viewde
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AUTHOR Aura XR4 2020auraxr4 2020 aut1480 viewdeauraxr4 2020 aut1488 viewdeauraxr4 2020 aut1489 viewdeauraxr4 2020 aut1490 viewdeauraxr4 2020 aut1491 viewdeauraxr4 2020 aut1493 viewdeauraxr4 2020 aut1495 viewde
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AUTHOR Aura XR4 2020Archivní model 2020

Colour variants
1
Tripple butted alloy frameFork with carbon legsDisc brakes REVER MCX2
other models
Interested in other model`s year?

Technical specification

Size500, 520, 540, 560, 580 mm
Frametriple butted alloy 6061
Front forkAUTHOR carbon legs, alloy steerer 1.5" tapered
Head partsPRESTINE Integrated 1.5" tapered
Chain WheelSHIMANO GRX 600 46-30 teeth 172.5 / 175 mm cranks
BBPartsSHIMANO BB-RS500 BB unit
Front derailleurSHIMANO GRX 400
Rear derailleurSHIMANO Tiagra
ShiftersSHIMANO Tiagra (20)
Free wheelSHIMANO HG500-10 11-34 (10)
ChainKMC X10
HubsQUANDO Road Disc 12 × 100 mm thru front axle 32 holes
BrakesSHIMANO RS305 disc mechanical (160 mm rotors)
Brakes leversSHIMANO Tiagra
RimsJALCO CR25D 32 holes
Spokesstainless steel hi-ten 2.0 mm black
TiresRITCHEY Cross Shield kevlar 700 × 35c
HandlebarPROMAX 420 / 440 / 460 mm
TapesAUTHOR suede / gel
StemAUTHOR
Seat postAUTHOR (27.2)
Seat clampAUTHOR (31.8)
SaddleAUTHOR Guru
Speed20
Weight10,7 kg /54

Geometry and sizes

Size 500 520 540 560 580
Min. figure [cm] 160 168 176 186 193
Max. figure [cm] 170 178 188 195 205
S/T c-t [mm] 500 520 540 560 580
S/T c-c [mm] 460 480 500 520 540
T/T h [mm] 530 545 560 580 595
T/T a [mm] 518 532 546 563 576
H/T [mm] 120 140 160 180 200
C/S [mm] 425 425 425 425 425
W/B [mm] 1014 1020 1031 1042 1046
S/T ang. [°] 74.5 74 73.5 73 72.5
H/T ang. [°] 70.5 71 71 71.5 72
F/L [mm] 400 400 400 400 400
B/B drop [mm] 70 70 69 68 68
B/B width [mm] 45 45 45 45 45
Reach [mm] 378 382 386 395 397
Stack [mm] 548 568 586 606 627
F/R [mm] 68 68 68 68 68
Handlebars [mm] 420 440 440 460 460
Stem [mm] 75 90 90 105 105
Cranks [mm] 172 172 175 175 175
maxmin
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Choose the height of the character by moving the pointer on the scale.
AUTHOR Aura XR4 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

Product options

black-matt / green50 = UA#42930102   52 = UA#42930103   54 = UA#42930104   56 = UA#42930105   58 = UA#42930106

additional accessories

1
AUTHOR Frame bag A-R260 ProLong
dimensions
foto 1
foto 2
right side
1/6
R260 ProLongThe Author saddle bag A-R260 ProLong is the universal bag with the one main compartment and one flat ... more »
1
AUTHOR Saddle bag A-S3152 SuMo X9
dimensions
foto 1
side L
side R
1/6
S3152 SuMo X9 The AUTHOR SuMo  big seat bag for big trips. Take it on the every route - easy strong fixation for ... more »
AUTHOR Hand pump AAP Pipe Telescope AL
foto 1
on bike
valve fixation
1/4
Pipe Telescope ALThe AUTHOR Pipe Telescope alloy mini pump provides fast and simple tyre inflation with a maximum pre ... more »
AUTHOR Stand AKS-530 RS
foto 1
1/2
AKS-530 RSAlloy kick stand designed for direct rear fork down tube fixation (tube profile 22 - 32 mm), recomen ... more »
AUTHOR Carrier ACR-16-Alu
foto 1
foto 2
1/3
ACR-16-AluA tough rear rack AUTHOR ACR-16-Alu. Equipped with adjustable legs to fit most 24” to 29” wheel ... more »
AUTHOR Mudguard AXP-810-Uni rear
packing
1/2
AXP-810-UniRear mudguard AUTHOR, for seat post tube mounting, easy insertion/ slide out, fabric plastic. For si ... more »
AUTHOR Mudguard rear X-Bow Cross
adjusting
assembly
top
back
1/5
X-Bow CrossThe mudguard AUTHOR X-Bow Cross with fast and easy clipping system on seat tube will make the lazies ... more »
AUTHOR Mudguard rear X-Flap Seat
fofo 1
1/2
X-Flap SeatThe mudguard AUTHOR X-Flap with fast and easy clipping system on saddle rails will make the laziest ... more »
AUTHOR Mudguard front X-Mudy Cross
X-Mudy CrossFront mudguard AUTHOR, for down tube mounting, fabric plastic. more »
AUTHOR Mudguards AXP-53
AUTHOR Mudguards AXP-53
1/2
AXP-53High quality AUTHOR AXP full length mudguard set. Fenders are constructed from PET plastic and carry ... more »