Mountain bike Author TRACTION ASL with double butted hydroformed alloy frame and air, RST Aerial fork with lock out unit.Add to comparewhere to buyother modelsInstinct 27,5 ASLUltrasonic 27,5Traction 27,5 ASLSonic 27,5 2021-22Spirit 27,5 ASLPegas 27,5 ASL 2021-22Solution 27,5 ASLmore models Interested in other model`s year?2015201620172018201920202021-22technical specificationgeometry and sizesphotogalleryproduct options Technical specificationSize16", 18", 20"Framedouble butted alloy 6061 27.5" (ASL) - hydroformingFront forkRST Aerial 27.5 TnL air, lock out (100 mm)Head partsAUTHOR Integrated 1.5" taperedChain WheelSHIMANO Alivio 40-30-22 teeth 170 / 175 mm cranksBBPartsSHIMANO Alivio BB unitFront derailleurSHIMANO Alivio (34.9)Rear derailleurSHIMANO DeoreShiftersSHIMANO Alivio (27)Free wheelSHIMANO HG400-9 11-34 (9)ChainSHIMANO HG53HubsAUTHOR Xenon Disc 32 holesBrakesTEKTRO Gemini WH disc hydraulic (6" rotors)Brakes leversTEKTRO Gemini WHWSRimsAUTHOR Radon Pro 27.5 32 holesSpokesblack stainless steel 2.0 mmTiresVITTORIA Mezcal 27.5" x 2.10"PedalsAUTHOR alloyHandlebarAUTHOR 15 mm 640 / 660 mmGripsAUTHOR GripLock foamStemAUTHOR alloySeat postAUTHOR alloy (31.6)Seat clampAUTHOR (34.9)SaddleAUTHOR FenixSpeed27Weight13.4 kg / 18" Geometry and sizes Size 16" 18" 20"Min. figure [cm] 148 160 173Max. figure [cm] 162 175 185S/T c-t [mm] 406 457 508S/T c-c [mm] 0 0 0T/T h [mm] 545 570 590T/T a [mm] 534 548 564H/T [mm] 120 125 130C/S [mm] 425 425 425W/B [mm] 1039 1059 1073S/T ang. [°] 73.5 73 72.5H/T ang. [°] 70 70 70F/L [mm] 495 495 495B/B drop [mm] 45 45 45B/B width [mm] 73 73 73Reach [mm] 0 0 0Stack [mm] 0 0 0F/R [mm] 44 44 44Handlebars [mm] 0 0 0Stem [mm] 0 0 0Cranks [mm] 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