model in recent yearsAdd to compareadditional accessoriesother modelsUltrasonic 24" 2019Mirage 24" 2019A-Matrix SL 24"A-Matrix 24" 2019Ultima 24" 2019Matrix 24" 2019technical specificationgeometry and sizesphotogalleryproduct optionsadditional accessories Technical specificationSize12.5'Framehi-ten 24'Front forkZOOM (40 mm)Head partsPRESTINE 1-1/8'Chain WheelPROWHEEL 42-34-24 teeth 152 mm cranksBBPartsVP COMPFront derailleurSHIMANO TY500 (28.6)Rear derailleurSHIMANO TY21ShiftersSHIMANO Revoshift (18)Free wheelSHIMANO MF-TZ20 14-28 (6)ChainKMC Z33Hubssteel 32 holesBrakesTEKTRO VBrakes leversTEKTRO plastic / alloyRimsalloy 32 holesSpokessteelTires24' x 1.75'PedalsresinHandlebarsteel 20 mm 580 mmGripsAUTHOR kratton rubberStemalloySeat postalloy (25.4)Seat clampAUTHOR (28.6)SaddleAUTHORSpeed18Weight13,8 kg / 12,5' Geometry and sizes Size ["] 12,5"Min. figure [cm] 125Max. figure [cm] 150S/T c-t [mm] 318S/T c-c [mm] 0T/T h [mm] 492T/T a [mm] 482H/T [mm] 100C/S [mm] 395W/B [mm] 956S/T ang. [°] 73.5H/T ang. [°] 70F/L [mm] 410B/B drop [mm] 20B/B width [mm] 68Reach [mm] 0Stack [mm] 0F/R [mm] 42Handlebars [mm] 640Stem [mm] 90Cranks [mm] 170 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 green / blue / black12,5" = UA#42891001 black-matt / yellow-neon12,5" = UA#42891011 additional accessoriesAUTHOR Stand AKS-06S C 22"-29" (černá)Kick Stand Author for direct frame fixation. Adjustable for size 14"- 29", Material AL6061-T6 / steel. Weight 230g. AUTHOR Stand AKS-09AKick Stand Author for direct frame fixation. Adjustable for size 24"- 29", Material AL6061-T6. Weight 310g. AUTHOR Stand AKS-530 RSAluminium 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-550A CKick Stand Author for direct frame fixation. Adjustable for size 24"- 29", Material AL6061-T6. Weight 310g. AUTHOR Mudguards AXP JuniorModern plastic mudguards for sizes 20"-24" with universal attachment.AUTHOR Mudguards AXP-65Modern plastic mudguards for sizes 20"-24" with universal attachment.