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?20142015201620172018201920202021technical specificationgeometry and sizesphotogalleryproduct options Technical specificationSize15", 17", 19", 21"Framedouble butted alloy 6061 27.5"Front forkRST Aerial 650B TnL air, lock out (100 mm)Head partsAUTHOR Integrated 1.5" tapered Chain WheelSUNTOUR XCR-T424 44-32-22 teeth 170 / 175 mm cranksBBPartsSUNTOUR XCM cartridgeFront derailleurSHIMANO Alivio (34.9)Rear derailleurSHIMANO Deore ShiftersSHIMANO Alivio (27)Free wheelSHIMANO HG-50-9 11-34 (9)ChainSHIMANO HG-53HubsAUTHOR Xenon Disc 32 holes BrakesTEKTRO Draco WH disc hydraulic (7" rotors)Brakes leversTEKTRO Draco WHRimsAUTHOR Radon 27.5" black 32 holes Spokesblack stainless steel 2.0 mmTiresGEAX Mezcal White Black 27.5" x 2.10"PedalsAUTHOR alloyHandlebarAUTHOR 15 mm 620 / 640 / 660 mmGripsAUTHOR Pro LockStemAUTHOR alloySeat postAUTHOR alloy (31.6)Seat clampAUTHOR (34.9)SaddleAUTHOR NavigatorSpeed27Weight13,8 kg / 19" Geometry and sizes Size 15" 17" 19" 21"Min. figure [cm] 150 160 170 182Max. figure [cm] 162 172 183 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] 0 0 0 0Reach [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