Mountain bike Author INSTINCT with double butted hydroformed alloy frame and air, RST F1RST fork with lock out unit.Add to comparewhere to buyother modelsInstinct 27,5 ASLUltrasonic 27,5Traction 27,5 2021Traction 27,5 ASLSonic 27,5 2021Spirit 27,5 ASLPegas 27,5 2021more modelsInterested in other model`s year?201420152016201720182019technical specificationgeometry and sizesphotogalleryproduct options Technical specificationSize15", 17", 19", 21"Framedouble butted alloy 6061 27.5" - hydroformingFront forkRST F1RST 27.5 air, lock out (100 mm)Head partsFSA Integrated 1.5" taperedChain WheelSHIMANO Deore 40-30-22 teeth 170 / 175 mm cranksBBPartsSHIMANO Deore BB unitFront derailleurSHIMANO Deore (34.9)Rear derailleurSHIMANO XTShiftersSHIMANO Deore (30)Free wheelSHIMANO HG50-10 11-36 (10)ChainSHIMANO HG54HubsAUTHOR Xenon Disc 32 holesBrakesTEKTRO Orion disc hydraulic (6" rotors)Brakes leversTEKTRO OrionRimsAUTHOR Radon Pro 27.5 32 holesSpokesblack stainless steel 2.0 mmTiresVITTORIA Barzo kevlar 27.5" x 2.10"PedalsSHIMANO M520 cliplessHandlebarAUTHOR 15 mm 660 / 680 mmGripsAUTHOR Pro LockStemAUTHOR alloySeat postAUTHOR alloy (31.6)Seat clampAUTHOR (34.9)SaddleAUTHOR NavigatorSpeed30Weight12.6 kg / 19" Geometry and sizes Size 15" 17" 19" 21"Min. figure [cm] 148 158 169 182Max. figure [cm] 162 172 184 195S/T c-t [mm] 381 432 483 533S/T c-c [mm] 0 0 0 0T/T h [mm] 570 585 600 615T/T a [mm] 555 563 575 590H/T [mm] 110 117 125 132C/S [mm] 425 425 425 425W/B [mm] 1060 1075 1091 1100S/T ang. [°] 73 73 73 72.5H/T ang. [°] 70 70 70 70F/L [mm] 495 495 495 495B/B drop [mm] 40 40 40 40B/B width [mm] 73 73 73 73Reach [mm] 0 0 0 0Stack [mm] 0 0 0 0F/R [mm] 44 44 44 44Handlebars [mm] 0 0 0 0Stem [mm] 0 0 0 0Cranks [mm] 0 0 0 0 max min 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 Product options