AUTHOR Magnum 29 2021 - carbon frame

AUTHOR Magnum 29 2021Carbon frame  |  Air remote lock out fork FOX 32 Float  |  SHIMANO XT groupset

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Technical specification

Size15", 17", 19", 21"
FrameAUTHOR B carbon monocoque 29"
Front forkFOX 32 Float SC 29 100 Remote air, remote lock out 15 mm thru axle, 1.5" tapered steerer (100 mm)
Head partsAUTHOR Integrated 1.5" tapered
Chain WheelSHIMANO XT 36 teeth 170 / 175 mm cranks
Rear derailleurSHIMANO XT
ShiftersSHIMANO XT (12)
Free wheelSHIMANO CS-M7100 10-51 (12)
ChainSHIMANO M7100
HubsAUTHOR Flyer Carbon 29 TR wheel set 28 holes 15 × 110 mm thru front axle 12 × 148 mm thru rear axle
BrakesSHIMANO XT disc hydraulic (6" rotors)
Brakes leversSHIMANO XT
Wheel setAUTHOR Flyer Carbon 29 TR wheel set 28 holes
TiresVITTORIA Barzo TNT aramid 29" × 2.10" tubeless ready
HandlebarRITCHEY MTN WCS Carbon 2x9 9° 710 / 740 mm
GripsAUTHOR Pro Lock
Seat postRITCHEY WCS carbon (31.6)
Seat clampAUTHOR (34.9)
Weight9,8 kg / 19"

Geometry and sizes

Size 17" 19" 21"
Min. figure [cm] 171 179 188
Max. figure [cm] 181 189 202
S/T c-t [mm] 435 485 535
S/T c-c [mm] 0 0 0
T/T h [mm] 611 638 668
T/T a [mm] 589 607 641
H/T [mm] 95 100 120
C/S [mm] 435 435 435
W/B [mm] 1118 1145 1177
S/T ang. [°] 73 73 73
H/T ang. [°] 69 69 69
F/L [mm] 506 506 506
B/B drop [mm] 65 65 65
B/B width [mm] 92 92 92
Reach [mm] 425 450 475
Stack [mm] 609 613 632
F/R [mm] 51 51 51
Handlebars [mm] 0 0 0
Stem [mm] 0 0 0
Cranks [mm] 0 0 0
max min
AUTHOR Magnum 29 2021

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

carbon-matt / yellow-neon / green17" = UA#42936902   19" = UA#42936903   21" = UA#42936904

additional accessories

AUTHOR Bottle cage ACP-X26 KarbonCreated using AUTHOR X26 Carbon - tech construction is superbly strong and incredibly light. Elegantly designed, it holds true to its function ...AUTHOR Bottle cage ACP-X26 KarbonAUTHOR Hand pump AAP Pipe Telescope ALThe AUTHOR Pipe Telescope alloy mini pump provides fast and simple tyre inflation with a maximum pressure of 100psi (0,69 Mpa). It is compatible ...AUTHOR Hand pump AAP Pipe Telescope ALAUTHOR 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-S315 TPNThe Author saddle bag A-S315 TPN is the easy bag with the one main pocket and separate compartments for tool. Designed for long satisfied use, ...AUTHOR Saddle bag A-S315 TPNAUTHOR 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 Flashing light A-Stake USB 40lmThe Author Stake USB features superior visibility with hi-end COB LED technology, providing a new level of safety. Build in clothing clip in strong ...AUTHOR Flashing light A-Stake USBAUTHOR Headlamp X-Head 600 lm USBThe AUTHOR X-Head 600 lm headlamp with balanced weight distribution on the head. 600 lumens of power, which, along with its multi-beam design, ...AUTHOR Headlamp X-Head 600 lm USB