AUTHOR A-Ray 29 2018 - double butted alloy frame

AUTHOR A-Ray 29 2018Double butted alloy frame  |  ROCK SHOX Recon Gold RL fork  |  Shocker ROCK SHOX Monarch RL HVI

Technical specification

Size17.5', 19', 21'
Framedouble butted alloy 6061 29'
Shockerair shocker ROCK SHOX Monarch RL HVI 184 / 44 mm (rear travel 100 mm)
Front forkROCK SHOX Recon Gold RL Remote 29 15 Solo Air air, lock out 15 mm thru axle 1.5' tapered steerer (100 mm)
Head partsPRESTINE Integrated 1.5' tapered
Chain WheelSHIMANO SLX 36-26 teeth 170 / 175 mm cranks
Front derailleurSHIMANO SLX direct mount
Rear derailleurSHIMANO SLX
ShiftersSHIMANO SLX (22)
Free wheelSHIMANO M7000-11 11-42 (11)
HubsMAVIC XA 29 wheel set 24 holes boost 15 x 110 mm thru front axle boost 12 x 148 mm thru rear axle
BrakesSHIMANO Deore disc hydraulic (7' rotors)
Brakes leversSHIMANO Deore
TiresVITTORIA Barzo kevlar 29' x 2.25'
HandlebarRITCHEY 2x9 Trail 9° 700 mm
GripsAUTHOR Pro Lock
StemRITCHEY Comp 4-Axis
Seat postRITCHEY Comp (31.6)
Seat clampAUTHOR (34.9)
SaddlePROLOGO Nago Evo X10
Weight13,4 kg / 19'

Geometry and sizes

Size ["] 17,5" 19" 21"
Min. figure [cm] 171 179 188
Max. figure [cm] 181 189 202
S/T c-t [mm] 445 483 533
S/T c-c [mm] 0 0 0
T/T h [mm] 580 600 630
T/T a [mm] 550 568 594
H/T [mm] 105 115 125
C/S [mm] 440 440 440
W/B [mm] 1123 1141 1171
S/T ang. [°] 74.7 74.3 74.3
H/T ang. [°] 68.5 68.5 68.5
F/L [mm] 501 501 501
B/B drop [mm] 46 46 46
B/B width [mm] 92 92 92
Reach [mm] 0 0 0
Stack [mm] 0 0 0
F/R [mm] 51 51 51
Handlebars [mm] 0 0 0
Stem [mm] 0 0 0
Cranks [mm] 0 0 0
max min
AUTHOR A-Ray 29 2018

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


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Product options

black-matt / red17,5" = UA#42900502   19" = UA#42900503   21" = UA#42900504

additional accessories

AUTHOR Bottle cage ACP-X22 KarbonBottle cage, carbon. Weight 22g. AUTHOR Bottle cage ACP-X22 KarbonAUTHOR Hand pump AAP BoosterMini Pump Author Booster. Changeable head allows usage with all type of valves (AV, FV, DV). Fixation lever assures strong fixation of the head ...AUTHOR Hand pump AAP BoosterAUTHOR Mini pump AAP AirStream ALThe Author Airstream minipump easily fits in your jersey pocket. This elegant mini pump features an all composite body, head and pump handle and ...AUTHOR Mini pump AAP AirStream ALAUTHOR Shock pump AAP-S05-AluRed button for pressure adjustment, composite / Cr-Mo, max. pressure 300PSI (2MPa), rozměr 60 x 250mm, hmotnost: 146g.AUTHOR Shock pump AAP-S05-AluAUTHOR Mudguard front X-FlapAuthor X-Flap is a lightweight and effective front mudguard for MTB suspension bikes. Compatible with 26”, 27.5” and 29” wheels, disc brakes ...AUTHOR Mudguard front X-FlapAUTHOR Mudguard front X-MudyFront mudguard AUTHOR, for down tube mounting, fabric plastic.AUTHOR Mudguard front X-MudyAUTHOR Mudguard rear X-BowRear mudguard AUTHOR, modern shorter mudguards with universal bracket, fabric plastic. Weight 163g.AUTHOR Mudguard rear X-BowAUTHOR Saddle bag A-S310Seat bag, velcro zip fixation, one main pocket (0,3 l).AUTHOR Saddle bag A-S310AUTHOR Saddle bag A-S3152 SuMo X7Extra large capacity outpost seat pack, easy strong fixation for extreme ride.Adjusts easily to larger or smaller volume 6-12l. Strong easy quick ...AUTHOR Saddle bag A-S3152 SuMo X7AUTHOR Sadle bag A-S381 QF9 X7The Author saddle bag A-S381 is the easy bag with the Quick Fix 9 bracket for easy click ON/OFF and one main compartment. Designed for long satisfied ...AUTHOR Sadle bag A-S381 QF9 X7AUTHOR Head light Nero 200lm USBAuthor Nero 200 lm effective, strong front light. COLLIMATOR TECHNOLOGY (lens technology that adjust light streams to travel parallel in a specified ...AUTHOR Head light Nero 200lm USBAUTHOR Flashing light A-Stake Mini USBThe Author Stake Mini USB features superior visibility. Rechargable Li-ion battery (500 charging cycles). Steady mode and 3 kind of flashing. Universal ...AUTHOR Flashing light A-Stake Mini USB