Add to comparewhere to buyadditional accessoriesother 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 optionsadditional accessories Technical specificationSize15", 17", 19", 21"Framedouble butted hydroformed alloy 6061 27.5"Front 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 BB52 BB unitFront derailleurSHIMANO Alivio (34.9)Rear derailleurSHIMANO DeoreShiftersSHIMANO Alivio (27)Free wheelSHIMANO HG400-9 11-34 (9)ChainSHIMANO HG53HubsAUTHOR Radon 32 holesBrakesTEKTRO Gemini disc hydraulic (6" rotors)Brakes leversTEKTRO GeminiRimsAUTHOR Radon Pro 27.5 32 holesSpokesblack stainless steel 2.0 mmTiresVITTORIA Barzo 27.5" x 2.10"PedalsAUTHOR alloyHandlebarAUTHOR 15 mm 660 / 680 mmGripsAUTHOR Pro LockStemAUTHOR alloySeat postAUTHOR alloy (31.6)Seat clampAUTHOR (34.9)SaddleAUTHOR NavigatorSpeed27Weight13.5 kg / 19" Geometry and sizes Size 15" 17" 19" 21"Min. figure [cm] 145 155 170 182Max. figure [cm] 158 172 185 195S/T c-t [mm] 381 432 483 533S/T c-c [mm] 0 0 0 0T/T h [mm] 570 590 615 635T/T a [mm] 540 554 578 602H/T [mm] 115 125 130 140C/S [mm] 435 435 435 435W/B [mm] 1056 1076 1101 1121S/T ang. [°] 73 73 73 73H/T ang. [°] 69 69 69 69F/L [mm] 495 495 495 495B/B drop [mm] 35 35 35 35B/B width [mm] 68 68 68 68Reach [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 silver-matt / green15" = UA#42863701 17" = UA#42863702 19" = UA#42863703 21" = UA#42863704 white / blue / black17" = UA#42863712 19" = UA#42863713 21" = UA#42863714 additional accessoriesAUTHOR 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-25-AluCarrier Author Expedition, material AL6061, universal adjustable fixation, adjustable stays, max. load 25kg - tested in accordance with EN 14872.AUTHOR Mudguard front X-MudyFront mudguard AUTHOR, for down tube mounting, fabric plastic.AUTHOR Mudguard rear X-BowRear mudguard AUTHOR, modern shorter mudguards with universal bracket, fabric plastic. Weight 163g.AUTHOR Mudguards AXP-04Modern plastic mudguards suitable for "V" brakes, for sizes 24"-27,5" with universal attachment.AUTHOR Mudguards AXP-07Author AXP-07 mudguards especially developed for Author Cross 700C, Author Mtb 29” and Author Mtb 27,5”. Universal bracket for all frame sizes ...AUTHOR Mudguards AXP-60High quality AUTHOR AXP full length mudguard set. Fenders are constructed from PET plastic and carry an aluminum foil insert, making them durable ...AUTHOR Front carrier ACR-F14-AluA tough tubular aluminium front rack. Designed specifically for front suspension fork with brake pivots or with disc brakes only, for wheel diameter ...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.AUTHOR Saddle bag A-S315 TPNThe Author saddle bag A-S315 TPN is the easy bag with the one main pocket and separate compartments for tool. Designed for long satisfied use, ...
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-25-AluCarrier Author Expedition, material AL6061, universal adjustable fixation, adjustable stays, max. load 25kg - tested in accordance with EN 14872.AUTHOR Mudguard front X-MudyFront mudguard AUTHOR, for down tube mounting, fabric plastic.AUTHOR Mudguard rear X-BowRear mudguard AUTHOR, modern shorter mudguards with universal bracket, fabric plastic. Weight 163g.AUTHOR Mudguards AXP-04Modern plastic mudguards suitable for "V" brakes, for sizes 24"-27,5" with universal attachment.AUTHOR Mudguards AXP-07Author AXP-07 mudguards especially developed for Author Cross 700C, Author Mtb 29” and Author Mtb 27,5”. Universal bracket for all frame sizes ...AUTHOR Mudguards AXP-60High quality AUTHOR AXP full length mudguard set. Fenders are constructed from PET plastic and carry an aluminum foil insert, making them durable ...AUTHOR Front carrier ACR-F14-AluA tough tubular aluminium front rack. Designed specifically for front suspension fork with brake pivots or with disc brakes only, for wheel diameter ...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.AUTHOR Saddle bag A-S315 TPNThe Author saddle bag A-S315 TPN is the easy bag with the one main pocket and separate compartments for tool. Designed for long satisfied use, ...