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"Framedouble butted hydroformed alloy 6061 27.5"Front forkRST Aerial 27.5 15 TRL air, remote lock out (100 mm)Head partsAUTHOR Integrated 1.5" taperedChain WheelSHIMANO M4100-2 36-26 teeth 170 / 175 mm cranksBBPartsSHIMANO BB-52 BB unitFront derailleurSHIMANO Deore (34.9)Rear derailleurSHIMANO DeoreShiftersSHIMANO Deore (20)Free wheelSHIMANO CS-M4100-10 11-42 (10)ChainKMC X10HubsAUTHOR Radon 32 holesBrakesTEKTRO Gemini disc hydraulic (6" rotors)Brakes leversTEKTRO GeminiRimsAUTHOR Xenon TRC 27.5 32 holesSpokesblack stainless steel 2.0 mmTiresVITTORIA Barzo foldable 27.5" × 2.25"PedalsAUTHOR alloyHandlebarAUTHOR 9° 680 / 700 mmGripsAUTHOR Pro LockStemAUTHOR alloySeat postAUTHOR alloy (31.6)Seat clampAUTHOR (34.9)SaddleAUTHOR NavigatorSpeed20Weight13,2 kg / 17" Geometry and sizes Size 15" 17" 19"Min. figure [cm] 145 155 170Max. figure [cm] 158 172 185S/T c-t [mm] 381 432 483S/T c-c [mm] 0 0 0T/T h [mm] 570 590 615T/T a [mm] 540 554 578H/T [mm] 115 125 130C/S [mm] 435 435 435W/B [mm] 1056 1076 1101S/T ang. [°] 73 73 73H/T ang. [°] 69 69 69F/L [mm] 495 495 495B/B drop [mm] 35 35 35B/B width [mm] 68 68 68Reach [mm] 362 379 402Stack [mm] 590 599 604F/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 grey-matt / lime15" = UA#42935401 17" = UA#42935402 19" = UA#42935403 additional accessoriesAUTHOR 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 Stand AKS-570 R18Lightweight and high performing kick Stand Author for frame dropout fixation AUTHOR IS-R18. For wheel size 24”-29”. Designed for frame integrated dropout ...AUTHOR Stand AKS-670 R18 E-bikeLightweight and high performing kick Stand Author for frame dropout fixation AUTHOR IS-R18. For wheel size 24”-29”. Designed for mainly for ...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 Carrier ACR-65-Alu CarrymoreA tough rear rack AUTHOR ACR-65-Alu. Equipped with adjustable legs to fit most 24” to 29” wheel MTB and 700C touring bikes This tough tubular ...AUTHOR Mudguard front X-Bow QRMudguard Author X-BOW QR with aerodynamic flow design is perfect for XC ride. Fits suspension or rigid forks with inner diameter of steering tube ...AUTHOR Mudguard front X-FlapAuthor X-Flap is a lightweight and effective front mudguard for MTB suspension bikes. Compatible with 26”, 27.5” and 29” wheels, disc brakes ...AUTHOR Mudguard rear X-BowRear mudguard AUTHOR, modern shorter mudguards with universal bracket, fabric plastic. Weight 163g.AUTHOR Mudguard rear X-FlapX-Flap is the new rear mudguard . The mounting system features a big plastic clamp, that can be easily screwed after fitting the mudguard on the ...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 Frame bag A-R255 Tank Bag MPPThe AUTHOR Tank Bag MPP ensures your camera is at hand in any situation. It provides easy, hassle-free access to your essential riding gear and ...AUTHOR Triangel bag A-R213 X9The Author saddle bag A-R213 is the universal bag with the one main compartment and one net pocket. Designed for long satisfied use. Universal ...AUTHOR Triangel bag A-R244The Author saddle bag A-R244 is the universal bag with the one main compartment and one flat pocket. Designed for long satisfied use. Universal ...AUTHOR Saddle bag A-S3152 SuMo X9 The AUTHOR SuMo big seat bag for big trips. Take it on the every route - easy strong fixation for extreme ride. The SuMo X9 is the 3rd generation ...
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 Stand AKS-570 R18Lightweight and high performing kick Stand Author for frame dropout fixation AUTHOR IS-R18. For wheel size 24”-29”. Designed for frame integrated dropout ...AUTHOR Stand AKS-670 R18 E-bikeLightweight and high performing kick Stand Author for frame dropout fixation AUTHOR IS-R18. For wheel size 24”-29”. Designed for mainly for ...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 Carrier ACR-65-Alu CarrymoreA tough rear rack AUTHOR ACR-65-Alu. Equipped with adjustable legs to fit most 24” to 29” wheel MTB and 700C touring bikes This tough tubular ...AUTHOR Mudguard front X-Bow QRMudguard Author X-BOW QR with aerodynamic flow design is perfect for XC ride. Fits suspension or rigid forks with inner diameter of steering tube ...AUTHOR Mudguard front X-FlapAuthor X-Flap is a lightweight and effective front mudguard for MTB suspension bikes. Compatible with 26”, 27.5” and 29” wheels, disc brakes ...AUTHOR Mudguard rear X-BowRear mudguard AUTHOR, modern shorter mudguards with universal bracket, fabric plastic. Weight 163g.AUTHOR Mudguard rear X-FlapX-Flap is the new rear mudguard . The mounting system features a big plastic clamp, that can be easily screwed after fitting the mudguard on the ...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 Frame bag A-R255 Tank Bag MPPThe AUTHOR Tank Bag MPP ensures your camera is at hand in any situation. It provides easy, hassle-free access to your essential riding gear and ...AUTHOR Triangel bag A-R213 X9The Author saddle bag A-R213 is the universal bag with the one main compartment and one net pocket. Designed for long satisfied use. Universal ...AUTHOR Triangel bag A-R244The Author saddle bag A-R244 is the universal bag with the one main compartment and one flat pocket. Designed for long satisfied use. Universal ...AUTHOR Saddle bag A-S3152 SuMo X9 The AUTHOR SuMo big seat bag for big trips. Take it on the every route - easy strong fixation for extreme ride. The SuMo X9 is the 3rd generation ...