AUTHOR Impulse 27,5 2019 - alloy frame

AUTHOR Impulse 27,5 2019archival modelAlloy frame  |  RST Gila fork  |  Disc hydraulic TEKTRO brakes

AUTHOR Impulse 2019
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Technical specification

Size15", 17", 19"
Framealloy 6061 27.5"
Front forkRST Gila 27.5 ML lock out (100 mm)
Head partsPRESTINE Integrated 1-1/8"
Chain WheelPROWHEEL 42-34-24 teeth 170 / 175 mm cranks
BBPartsVP COMP cartridge
Front derailleurSHIMANO TY700 (34.9)
Rear derailleurSHIMANO Altus
ShiftersSHIMANO Altus (24)
Free wheelSHIMANO HG200-8 12-32 (8)
ChainKMC Z8.1
HubsQUANDO Disc 32 holes
BrakesTEKTRO disc hydraulic (6" rotors)
Brakes leversTEKTRO
RimsAUTHOR Xenon 27.5 32 holes
Spokesblack steel
TiresAUTHOR Rocket 27.5" x 2.10"
Pedalsresin
HandlebarAUTHOR 8° 660 / 680 mm
GripsAUTHOR kratton rubber
StemAUTHOR alloy
Seat postAUTHOR alloy (31.6)
Seat clampAUTHOR (34.9)
SaddleAUTHOR Courier
Speed24
Weight14,2kg / 17"

Geometry and sizes

Size 15" 17" 19" 21"
Min. figure [cm] 145 155 170 182
Max. figure [cm] 158 172 185 200
S/T c-t [mm] 381 432 483 533
S/T c-c [mm] 0 0 0 0
T/T h [mm] 570 590 615 630
T/T a [mm] 540 554 577 596
H/T [mm] 115 125 130 140
C/S [mm] 435 435 435 435
W/B [mm] 1058 1081 1101 1126
S/T ang. [°] 73 73 73 73
H/T ang. [°] 69 69 69 69
F/L [mm] 495 495 495 495
B/B drop [mm] 35 35 35 35
B/B width [mm] 68 68 68 68
Reach [mm] 358 378 401 143
Stack [mm] 593 602 607 616
F/R [mm] 44 44 44 44
Handlebars [mm] 0 0 0 0
Stem [mm] 0 0 0 0
Cranks [mm] 0 0 0 0
max min
silueta
AUTHOR Impulse 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

Photogallery

AUTHOR Impulse 2019AUTHOR Impulse 2019

Product options

silver / red15" = UA#42905201   17" = UA#42905202   19" = UA#42905203
grey-matt / blue / green17" = UA#42905212   19" = UA#42905213

additional accessories

AUTHOR Stand AKS-530 RSAlloy kick stand designed for direct rear fork down tube fixation (tube profile 22 - 25mm), recomended for bicycles with rear disk brake. Adjustable ...AUTHOR Stand AKS-530 RSAUTHOR Carrier ACR-20N-Alu Carrier Author Expedition for extreme load and conditions, made from AL6061 tubes d.10mm - light weight and rigid construction with triple side ...AUTHOR Carrier ACR-20N-AluAUTHOR Carrier ACR-50-Alu DiscBrakeProA tough rear rack made from aluminium square profile.  Designed specifically for bikes with disc brakes with wheel diameter 26", 27,5", 29" ...AUTHOR Carrier ACR-50-Alu DiscBrakeProAUTHOR Mudguard rear X-BowRear mudguard AUTHOR, modern shorter mudguards with universal bracket, fabric plastic. Weight 163g.AUTHOR Mudguard rear X-BowAUTHOR Mudguard rear X-FlapX-Flap is the new rear mudguard . The mounting system features a big plastic clamp, that can be easily screwed after fitting the mudguard on the ...AUTHOR Mudguard rear X-FlapAUTHOR Front carrier ACR-F14-AluA tough tubular aluminium front rack. Designed specifically for front suspension fork with brake pivots or with disc brakes only, for wheel diameter ...AUTHOR Front carrier ACR-F14-AluAUTHOR Mudguard front X-Bow QRMudguard Author X-BOW QR  with aerodynamic flow design is perfect for XC ride. Fits suspension or rigid forks with inner diameter of steering tube ...AUTHOR Mudguard front X-Bow QRAUTHOR 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 Mudguards AXP-04Modern plastic mudguards suitable for "V" brakes, for sizes 24"-27,5" with universal attachment.AUTHOR Mudguards AXP-04AUTHOR Mudguards AXP-07Author AXP-07 mudguards especially developed for Author Cross 700C, Author Mtb 29” and Author Mtb 27,5”. Universal bracket for all frame sizes ...AUTHOR Mudguards AXP-07AUTHOR Mudguards AXP-60High quality AUTHOR AXP full length mudguard set. Fenders are constructed from PET plastic and carry an aluminum foil insert, making them durable ...AUTHOR Mudguards AXP-60AUTHOR Saddle bag A-S188 TPN X7The Author saddle bag A-S188 is the easy bag with expandable main compartment. Designed for long satisfied use, main parts from waterproofed fabric ...AUTHOR Saddle bag A-S188 TPN X7AUTHOR 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 TPN