Mountain bike Author Impulse ASL with an alloy ladies frame with and RST Gila suspension fork.Add to comparewhere to buyadditional accessoriesother modelsInstinct 27,5 ASLUltrasonic 27,5Traction 27,5 2021-22Traction 27,5 ASLSonic 27,5 2021-22Spirit 27,5 ASLPegas 27,5 2021-22more modelsInterested in other model`s year?201620172018201920202021-22technical specificationgeometry and sizesphotogalleryproduct optionsadditional accessories Technical specificationSize14", 16", 18"Framealloy 6061 27.5" (ASL)Front forkRST Gila 27.5 ML lock out (100 mm)Head partsPRESTINE Integrated 1-1/8"Chain WheelPROWHEEL 42-34-24 teeth 170 mm cranksBBPartsVP COMP cartridgeFront derailleurSHIMANO M190 (34.9)Rear derailleurSHIMANO AltusShiftersSHIMANO Altus (21)Free wheelSHIMANO HG20-7 12-32 (7)ChainKMC Z51HubsQUANDO Disc 32 holesBrakesTEKTRO Auriga disc hydraulic (6" rotors)Brakes leversTEKTRO Auriga WSRimsAUTHOR Radon 27.5 32 holesSpokesblack steelTiresAUTHOR Speed Master 27.5" x 2.00"PedalsresinHandlebarAUTHOR 25 mm 640 / 660 mmGripsAUTHOR high density foamStemAUTHOR alloySeat postAUTHOR alloy (31.6)Seat clampAUTHOR (34.9)SaddleAUTHOR FenixSpeed21Weight14.3 kg / 18" Geometry and sizes Size 14" 16" 18"Min. figure [cm] 140 155 170Max. figure [cm] 158 173 188S/T c-t [mm] 356 406 457S/T c-c [mm] 0 0 0T/T h [mm] 545 560 585T/T a [mm] 542 545 563H/T [mm] 110 120 130C/S [mm] 425 425 425W/B [mm] 1033 1054 1079S/T ang. [°] 73 73 73H/T ang. [°] 70 69.5 69.5F/L [mm] 495 495 495B/B drop [mm] 45 45 45B/B width [mm] 68 68 68Reach [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 gray / green14" = UA#42862701 16" = UA#42862702 18" = UA#42862703 white / brown14" = UA#42862711 16" = UA#42862712 18" = UA#42862713 additional accessoriesAUTHOR Stand AKS-500 RKick Stand Author for rear fork fixation. Adjustable for wheel diameter 24"-29". Material AL6061-T6. Weight 379g. 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 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-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 Mudguard AXP-810-Uni rearRear mudguard AUTHOR, for seat post tube mounting, easy insertion/ slide out, fabric plastic. For sizes 26"-29", weidth 80mm. AUTHOR Mudguard rear X-BowRear mudguard AUTHOR, modern shorter mudguards with universal bracket, fabric plastic. Weight 163g.AUTHOR Mudguards AXP-02Modern plastic mudguards suitable for "V" brakes, for sizes 24"-29" with universal attachment.AUTHOR Mudguards AXP-04Modern plastic mudguards suitable for "V" brakes, for sizes 24"-27,5" with universal attachment.AUTHOR Frame bag A-R281 F GSBFrame bag, universal velcro attachment for fixation in front frame triangle (on most of types of frames), 2 separate pockets with the soft protection ...AUTHOR Top frame bag A-R250 TWaterproof top frame bag, universal velcro fixation for most bicycle frames, 3 separate inside pockets. Dimensions: l.15 x w.4 x h.10cm.