Author Smart is a first model with a suspension fork, because even a small rider can safely and with proper comfort overcome great challenges. Alloy frame with very good set up geometry, easy-to-use brakes and shifting with 6 speeds, alloy stem and seatpost. Very comfortable bike, which is a perfect support for its owner!Add to comparewhere to buyadditional accessoriesother modelsRecord 20 2021-22Smart 20 2021-22Cosmic 20 2021-22Melody 20 2021-22Energy 20 2021-22Interested in other model`s year?201620172018201920202021-22technical specificationgeometry and sizesphotogalleryproduct optionsadditional accessories Technical specificationSize10"Framealloy 6061 20"Front forkRST Capa T 20 (50 mm)Head partsPRESTINE 1-1/8"Chain WheelPROWHEEL 36 teeth 127 mm cranksBBPartsVP COMPRear derailleurSHIMANO TY200ShiftersSHIMANO Revoshift (6)Free wheelSHIMANO MF-TZ510-6 14-28 (6)ChainKMC Z6HubsQUANDO 32 holesBrakesTEKTRO VBrakes leversTEKTRO plastic / alloyRimsalloy 32 holesSpokesblack steelTiresAUTHOR Speed Master 20" × 1.75"PedalsresinHandlebarsteel 20 mm 540 mmGripsAUTHOR kratton rubberStemalloySeat postalloy (27.2)Seat clampAUTHOR (31.8)SaddleAUTHOR PilotSpeed6Weight10,0 kg / 10" Geometry and sizes Size 10"Min. figure [cm] 115Max. figure [cm] 135S/T c-t [mm] 254S/T c-c [mm] 0T/T h [mm] 430T/T a [mm] 427H/T [mm] 90C/S [mm] 360W/B [mm] 850S/T ang. [°] 73.5H/T ang. [°] 71F/L [mm] 365B/B drop [mm] 15B/B width [mm] 68Reach [mm] 0Stack [mm] 0F/R [mm] 42Handlebars [mm] 0Stem [mm] 0Cranks [mm] 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 blue / green10" = UA#42931801 additional accessoriesAUTHOR Bottle cage ABC-Junior clampAuthor Junior is the special bottle cage for kid's bottle AUTHOR Mirage 350ml. Handlebar clamp d. 22,2 - 25,4 mm. AUTHOR Stand AKS-16A C X9Kick Stand Author for direct frame fixation. Adjustable for size 16"- 20". Material AL6061-T6 / steel. Weight 162 g.