clips for crocs New Mountain Bike Tech For 2018 | GMBN At Eurobike

Doddy's at Eurobike, the world's biggest bike show! Over the next few days Doddy will be bringing you all the exciting new tech and product launches from various industry leading manufacturers! Here's the first instalment.

Subscribe to GMBN: http://gmbn.eu/subscribe
Get exclusive GMBN gear in the GMBN store! http://gmbn.eu/uS

Doddy's got tonnes of interesting new products for 2018 to get through including a re-worked Continental tyres line-up, new shoes from Shimano, new cranks from Raceface, redesigned backpacks from Evoc and new helmet technology from Leatt. All that and much, much more!

If you'd like to contribute captions and video info in your language, here's the link 👍 http://gmbn.eu/uR

Watch more on GMBN...
Check out Gee's DH 29er: http://gmbn.eu/geeathertonprobike 📹
Are you maintaining your fork? http://gmbn.eu/forktips 📹
How are tyres made? http://gmbn.eu/howatyreismade 📹

Click here to buy GMBN T-shirts, hoodies and more: http://gmbn.eu/tHEGMBNShop

The Global Mountain Bike Network is the best MTB YouTube channel, with videos for everyone who loves dirt: from the full-faced helmet downhill mountain biker to the lycra-clad cross country rider along with everyone and anyone in between.

With the help of our pro and ex-pro riding team we’re here to inform, entertain and inspire you to become a better mountain biker, including videos on:

- How to ride faster with expert knowledge
- Fix everything with pro know-how
- Ride anything with world-cup winning skills
- Dial in your bike with bike set-up advice
- In-depth entertaining features
- Chat, opinion and interact with us on the Dirt Shed Show

Welcome to the Global Mountain Bike Network | Covering Every Angle

Thanks to our sponsors:
Canyon bikes: http://gmbn.eu/Canyon
SCOTT bikes: http://gmbn.eu/SCOTTbikes
crankbrothers pedals: http://gmbn.eu/crankbros
crankbrothers seatposts: http://gmbn.eu/8b
Continental: http://gmbn.eu/Continental
Six Six One Protection: http://gmbn.eu/sixsixone
POC helmets and eyewear: http://gmbn.eu/POCsports
Topeak: http://gmbn.eu/topeak
FSA: http://gmbn.eu/fsa
Ergon: http://gmbn.eu/ergon
Park Tool: http://gmbn.eu/ParkTool
Northwave: http://gmbn.eu/Northwave
Camelbak: http://gmbn.eu/camelbak
Nukeproof: http://gmbn.eu/nukeproof

YouTube Channel - http://gmbn.eu/GMBNsubs
Facebook - http://gmbn.eu/GMBNFB
Google+ - http://gmbn.eu/GMBNGplus
Twitter - http://gmbn.eu/GMBNTW
Instagram - http://gmbn.eu/GMBNIG
GMBN Shop - http://gmbn.eu/gmbnshop

Leave us a comment below!

clips for crocs New Mountain Bike Tech For 2018 | GMBN At Eurobike
4,481 Likes	4,481 Dislikes
202,639 views views	1.25M followers
Sports	Upload TimePublished on 31 Aug 2017

Related keywords

tyres uae,bmc-gt-m550m,trail ridge road,carbonated water,gmbn store,1rx16 pc3l-12800s-11-13-c3,gmbn discount code,new mtb technology,ρ (rho),bike tech macon,2018 lgs sonuçları,1rx8 pc3l-12800s-11-11-b2,mountain biking helmets,mtb skills book,clip studio paint,best mtb products,mountain bike caloi velox - aro 29,mountain bike gt aro 29,race face pedals,mountain bike skills park near me,mountain bike scott,clipless flat pedals,xc mtb training,εκλογες 2019,mtb skills clinic near me,muc-off luxury chamois cream,ήρθε κι έδεσε,adventure cycling organization,ιωαννινα καιρος,doddie weir sons,redesign synonym,ρ=m/v,1r0 резистор,eurobike aachen,spank mtb products,evocando,euro bike show 2018,euro bike show 2019,doddie,mountain bike 29,cycling track management company limited,cycling แปลว่า,trails end,continental plaza beach hotel,new bike technogym,gmbh meaning,gmvn guptkashi,1rx8 pc3-10600s,cycling plus,continental tossa de mar,off road cycling near me,trailers for sale,mountain bike rio grande do sul,ρατσες σκυλων,mountain bike skills course near me,ηδη,downhill mtb world cup,crankshaft parts,δωδεκανησα,enduro gebraucht,mtb skills training,com.sec.feature.sensor hub,cycling weekly,crankshaft function,new design ba,new road bike technology,bike house,doddy mbuk,leatt fusion 3.0,mtb shoes brands,mtb shoes for sale,ιν μαρκετ,φιλιά,carbon computing,off road cycling herefordshire,mountain biking in india,off road cycling norfolk,biker boyz,mtb shoes for sale philippines,carbon monoxide,enduro store,bike store,φα,downhill mtb trails,φβ,φ ψεβοοκ,new technical bike,mtb shoes canada,ήρκος αποστολίδης,new design muebles,tyresö ff,bmcダンモ,ήλιος της βεργίνας,raceface turbine r dropper,δενδιας,leatt 3df airfit body protector,clips for hair,off road cycling scotland,off road cycling suffolk,leatt moto,mountain bike feminina,doddie weir cycle,sicomtb products,mountain bike skills for beginners,mountain biking gloves,trailer parts,clipless platform pedals,δουκισσα νομικου,ικυ,shimano philippines,enduropark hechlingen,tyrese gibson,global mountain bike network fails,bike24,crankshaft sensor,eurobike seminovos,new design sonic,global mountain bike network martin,cool mtb products,new e bike technology,mtb shoes mens,helmets for kids,φεκ,mountain bike caloi aluminum sport - aro 26 - freio v-brake - 21 marchas,euro bike moto,mtb tech tee,race face atlas,tyresö kommun,gmbh معنى,leatt 4.5 chest protector,trailer rental,com.sec.feature.irda service,ήπειρος,1rx8,carbonara recipe,tyres online,gmbn blake,adventure cycling association routes,ελλάδα ειδήσεις,eurobike x1 จักรยานเสือภูเขา,clip studio,continental palace,enduro 125,εκκλησιαστικό ημερολόγιο,euro bike parts,doddycross,new designs charter school focus,mtb bike,raceface cranks,mtb project,mountain biking clothes,off road cycling dc,new design st peter tripadvisor,mtb techniek oefeningen,mtb skills clinic,mtb technik training,off road cycling events,2018 bursluluk sınavı sonuçları,com.sec.feature.findo.xml,doddie weir gin,trailhead,leatt c frame,ήμαστε ή είμαστε,trailforks,off road cycling routes,best new bike products,bike tech 24,enduro one,mountain bike skills clinic minnesota,eurobike x1 จักรยานเสือภูเขา ราคา,eurobike x1 จักรยานเสือภูเขา กรอบขนาด 17,ήφαιστος λήμνου,vtt voltage,new bike tech 2019,new bike tech 2018,carbon fiber,εὐγενής,φραγκοσυριανή,2018 ramazan bayramı,xc mtb stem,mountain biking shorts,ἦν,bike tech brasília,off road cycling shoes,φεστιβαλ αθηνων,continental icecontact 2,2018 lgs soruları,ιωαννα τουνη,au17 sheet pile,trailer tires,vtr,ημιν,vtv,ραδιο αρβυλα,continental gatorskin,raceface canada,mountain biking shoes,eurobike x1,crankshaft balancing,bike tech bird road,ήτοι,mrp mtb products,evocar sinonimo,muc-off chain,clipless or flats,euro bike shop,funn mtb products,au1761,euro bike show,tyres for sale in uae,2018 dgs taban puanları,ενοικίαση διαμερισμάτων,sl-asr1-sec features,εἰρήνη,gmvn guest house,global mountain bike network manual,διαυγεια,continental premiumcontact 6,φακες,δημοσκοπήσεις,new mountain bike technology,eurobike xc-9000 ราคา,mtb skills practice,continental race king,ρομα,1rem = px,enduro reifen,doddie weir mnd,bike machine,gmbh bedeutung,bmcとは,ηράκλειο,leatt gpx 5.5,mtb skills course,com.sec.feature.location,φαβα,helmet royale,evocom,sec search feature,mtb shoes clearance,ικεα κουζινα,tyres size,mountain biking trails near me,mtb shoes on road bike,10 mtb products i actually use,mtb skills manual,cycling class,downhill mtb trails near me,cycling vector,ηθοποιος,helmet enchantments,helmetta foods,off road cycling kent,new mountain bike technology 2018,bmc timemachine,bmc 京都,η εφημερίδα των συντακτών,bike tech tools,redesigned or redesigned,evocacion carlos arturo,muc-off tubeless valve kit,δομνα μιχαηλιδου,vtt rockrider 520,hp au172tx,2018 filmleri,enduro mover,mtb stock,2018 sinema filmleri,ηλθον,vtt france,muc-off fabric protector dwr spray,off road cycling shorts,new design joyas,evocar,mountain bike skills clinic,evocado,2018 dünya kupası,global mountain bike network bath,adventure cycling aurora co,evocan,redesigned sat,eurobike x1 จักรยานเสือภูเขา 26,shimano tourney,mountain bike skills class,euro bike route,tyres in dubai,continental 2*,evocreo,mountain biking near me,helmet band,new bike technology 2019,carbon tax rebate,adventure cycling routes,new bike technology 2018,raceface tailgate pad,mtb shoes amazon,continental calella,vtt xiwyllag,mountain bike caloi moab - aro 29 - câmbio e freio hidráulico shimano - 27 marchas,gmvn joshimath,2018 ayt,global mountain bike network store,eurobike x1 จักรยานเสือภูเขา 17,εσηοπ,new bike technology,bike store miotodo,mountain biking wallpaper,crankshaft sensor problem,mtb gloves,ενοικιαζομενα δωματια,mtb shoes for wide feet,2018 kpss soruları,mtb shoes womens,doddie weir book,global mountain bike network wikipedia,bike tech floripa,adventure cycling interactive map,muc-off chain doc chain cleaner,διαρροια,enduro dm waldkappel,new design morteros,redesigned ford explorer,global mountain bike network cornering,gmbh & co. kg,carbon black,new bike products 2018,continental 80,new bike products 2019,helmets to hardhats,crankshaft price,mtb shoes flat,bicycle (product category),clips for paper,gmvn dhanaulti,redesigned toyota tundra,clipsnation,gmbh عربي,raceface ride crank,mountain biking quotes,leatt gear,continental hotel,mountain bike porto alegre,carbon bar,raceface turbine,mtb box,global mountain bike network brakes,clipless pedals and shoes,shimano shoes,clipse,enduro world series,mtb skills youtube,gmvn khirsu,mtb tech park,mountain biking equipment,shimano rp1,new mountain bike tech,bike technics,bike tech coral way,clipso,ιωαννιδης πανος,muc-off bike protect,clips on iphone,clips app,downhill mtb forks,mtb skills bunny hop,mtb skills park almere,adventure cycling promo code,δουρου,global mountain bike network martyn,new design facebook,mountain biking hashtags,shimano 105 groupset,carbon dioxide,2018 aksiyon filmleri,mountain bike skills park blacksburg,clipless mtb shoes,ρερα,enduro fahrrad,cycling คือ,shimano crankset,off road cycling ireland,φύσις,helmetta community center,shimano altus,mtb shorts,crankset mtb,enduro mtb,redesigned curriculum bc,au175 dupont,clipless curling iron,δέσποινα βανδή,xc mtb meaning,bikes pelicula,2018 seçim sonuçları,race face rims,redesigned nfl uniforms,au170 paint,shimano deore groupset,ελληνικά,tyres shop,shimano bike,continental ice contact 3,evoco,ήλθον είδον και απήλθον,mtb cleaning products,mountain bike skills camp,ε0,bmcフィットマスク,new bike technology no chain,carbon tax canada,crankshaft bearing,off road cycling cotswolds,evocar significado,downhill mtb shorts,cycling คําอ่าน,δh,downhill mtb gloves,2018 tyt,δονουσα,continental cross contact,δt,continental contipremiumcontact 5,vtt sport,mountain bike skills drills,bike tech pinheiros,enduro dm,bmc-gt-s10k,continental contipremiumcontact 2,2018 takvimi,new bike helmet technology 2019,redesigned sonic,crankshaft oil seal,φως,mountain bike esporte,adventure cycling forum,adventure cycling app,eurobike xc-9000,mountain bike aro 26,carbonic acid,ευχαριστώ,η2,ησθα,adventure cycling oviedo,mountain bike aro 29,new mountain bike products 2019,adventure cycling australia,gmbh myb,leatt brace,redesigned 3 fallout new vegas,muc-off drivetrain cleaner,sec feature lic,global mountain bike network blake,vtt to srt,1r-1808,mountain bike skills book,xc mtb jersey,evoca,new designers,15-au171sa,muc-off nanotube chain lube,bike point,ραδιο θεσσαλονικη,feature article sec 5,hope mtb products,1r-0749,new bike chain technology,ρεβυθια σουπα,clips and fasteners,au175,ημερα,global mountain bike network presenters,vtt subtitles vlc,clipless shoes casual,new designers london,gmvn.in,ησαν,bikebandit,redesigned kill vehicle,muc-off matt finish detailer,ή,evocativo,bike premium,ἢ τὰν ἢ ἐπὶ τᾶς,tyres or tires,ικεα θεσσαλονικη,mountain biking in nepal,enduro motorrad,ριζοτο με μανιταρια,ρεαλ φμ,new electric bike technology,adventure cycling maps,gmbn presenters,helmet stickers,mtb trails near me,1r-0762,clipless vs flats,gmvn tourist bungalow,new ultimate bike products,mountain biking tips,cycling แปลว่า คําอ่าน,new designers 2019,η τρελή ροδιά / el magraner boig barcelona,mtb tech 2019,mountain bike caloi moab,downhill mtb tires,1rx16 pc4-2400t-sc0-11,eurobike จักรยาน เสือ ภูเขา เฟรม คาร์บอน ไฟเบอร์ ขนาด 26 นิ้ว,enduro bike,1r-0751,xc mtb nationals 2019,helmet hair,xc mtb tire pressure,global mountain bike network jersey,euro bike praha,leatt corporation,clipless sandals,new design university,helmet for my pillow,global mountain bike network training,ρυαναιρ,eurobike brasilia,ινωση κυστικη,adventure cycling route network,crankshaft meaning,best mtb products 2019,raceface stem,best mtb products 2018,mtb bank,ιεκ ακμη,mountain bike caloi,mtbr,ρενα βλαχοπουλου,tor mtb products,evocador,bikezone,helmet of salvation,bmcタガネ,adventure cycling denver,mountain bike skills clinic colorado,crankshaft deflection,clipless road bike shoes,mtba,ρολο κιμα,mtbf,mtbe,mtbc,mtbi,mountain bike skills park myrtle beach,global mountain bike network instagram,doddie weir height,mtb shoes five ten,evoca bistro,leatt dbx 3.0 enduro helmet,tyrese gibson movies,enduro magazin,trail blazers,η αυγη,shimano groupset,bike tech jardins,trailer park boys cast,evocar definicion,clipse members,trail running shoes,mountain biking history,best new bike tech,leatt knee brace,xc mtb world cup,raceface tailgate pad canada,helmet diving,bmc サーバ,redesigned by dixie,gmvn rishikesh,15-au171tx,ήβη μαυράκη,au175 cromax,euro bike melun,ελενη,clipless shoes,doddy marsh,redesigned nfl logos,mtb products bikeradar,ιντερνετ ταχυτητα,ήταν ένας γάιδαρος,cycling jersey,helmet camera,euro bike avis,downhill mtb for sale,clipless hair topper,eurobike x1 ราคา,mountain bike skills park,shimano groupset mtb,gmvn chakrata,cycling outlet,feature article example sec 5,global mountain bike network facebook,ιανος,φασολαδα,gmvn gaurikund,mountain bike oggi,beneficial conversion feature sec,ισοτιμια ευρω δολαριου,mtb tech t shirts,clipless pedals mtb,tyresö,δημοτικες εκλογες 2019,crankset,gmvn helicopter,tyres review,δοαταπ,δημοσκοπηση,new technology bike service point,tyrese jackson,bmc genomics,xc mtb bikes,continental gt,doddie weir cup,mtb skills drills,doddie weir shirt,ήταν ένας γάιδαρος με μεγάλα αυτιά,adventure cycling association,bmc public health,bikeshop,carbon bar toronto,δρομολογια πλοιων,1rfyfk,gmvn badrinath,εἰς πολλὰ ἔτη δέσποτα,mtb techniek,raceface turbine stem,downhill mtb shoes,evocoti,off road cycling london,bike point pilar,εκπομπή,raceface handlebar,off road cycling uk,xc mtb racing,euro bike 77,mountain bike caloi atacama - aro 29 - freio hidráulico - câmbio shimano - 24 marchas,mountain bike skills clinic michigan,gmvn rudraprayag,mtb skills how to jump,hp 15-au176sa,new tech bike lights,global mountain bike network bunny hop,off road cycling magazine,trail mix,doddie weir,δεδδηε,downhill mtb gear,helmetta nj,muc-off hydrodynamic lube,bike technician,bike tech fort lauderdale,2018 dgs soruları,mtb skills park near me,ήμασταν ή είμασταν,muc-off pressure washer,shimano slx,bikeinn,new mtb tech 2019,xc mtb frame,new mtb tech 2018,euro bike tours,gmvn ukhimath,mtb skills videos,ιθακη,gmbn uploader,doddy definition,race face grips,bikex,mtb shoes nz,euro bike fest,biker,xc mtb tyres,euro bike fest pasohlavky 2019,mtb techniques,crankset fixie,gmbn jersey,downhill mtb helmet,bm値,off road cycling trails near me,helmet decals,mtb tires,clipless pedals road bike,muc-off c3 dry ceramic lube,downhill mtb frame,mtb techniek training,ρяєνιєω тєχт,trailer,hp 15-au174sa,gmbn bike vault,δεη,xc mtb pedals,new technology bike helmet,trailers for rent,mtb technique cornering,η καθημερινη,shimano slx groupset,vtt enhancement suite,ρουντολφ το ελαφακι,carbon cycle,carbonara sauce,global mountain bike network wiki,technic bike,raceface chainring,ήσυχες μέρες του αυγούστου,downhill mtb pants,au17,1rx16 что значит,euro bike fair,leatt dbx 3.0,vtti,ημουν,vtt decathlon,ιλιαδα β γυμν,η μηχανη του χρονου,vtto,mountain biking gear,new design sonic movie,φωτια τωρα,new mountain bike products,vtte,crankset bike,xc mtb clothing,raceface turbine dropper,com.sec.feature.slocation,ελενη ευθυμιαδου,trail of tears,doddy gmbn,enduro 125ccm,leatt gpx 4.5,crankset shimano,continental contiicecontact 2,vtt francais,clips for dreads,continental contisportcontact 5,downhill mtb race,1r0716,euro bikes 2018,mtb technical climbing,mountain bike eletrica,downhill mtb pedals,φαγκρι,mountain bike south,downhill mtb clothing,bike discount,eurobike g4 ราคา,mtb shoes australia,redesigned wrench,clips near me,ελληνικά νέα,cycling live,mtb skills course yorkshire,shimano alivio,bmc会員,crankshaft operation,2018 yks soruları,mtb shoes spd,off road cycling clubs near me,cyclingnews,off road cycling tracks near me,tyrese instagram,carbon footprint,1r5,new design google play,mountain bike trek,clips for clothes,mountain bike skills games,eurobike 2020,mountain bike skills coaching,shimano deore,trail camera,leatt thailand,φοιβος,bike tech asa sul,hp 15-au172tx,2018 türk filmleri,clips for blinds,evocaciones,muc-off chain cleaner,off road cycling new forest,ρετσινα,raceface arc 30,mtb technical skills,global mountain bike network shop,ικεα κρεβατια,trailer park,1rh,redesigned grand cherokee,cycling cap,bikepacking,1rm,doddie weir wife,raceface aeffect,new designs charter school,vtt electrique,1ru,tyres dealers in abu dhabi,leatt 5.5 body protector,carbon tax,carbon monoxide detector,adventure cycling usa,1rx8 2rx8 разница,ρυθμοσ 949,answer mtb products,mtb skills beginner,mtb pedals,clipless pedals vs flats,new design play store,mtb shoes philippines,carbon tax ontario,downhill mtb near me,new design sastreria,mtb shoes,fox mtb products,ιnѕтagraм,bike and coffee,doddie weir twitter,euro bike messe,φολεγανδρος,hp au171tx,downhill mtb bikes,clipse songs,gmbh germany,leatt neck brace,ιμαμ μπαιλντι,euro bike fest 2019,technik training mtb,ήρθα κι απόψε στα σκαλοπάτια σου,evocación,mtb shoes review,new design group,muc-off bike cleaner,cycling hub thailand,gmbh gründen,mountain biking trails,mountain bike skills clinic near me,race face chester,xc mtb shoes,gmvn gangotri,mtb technical descending,adventure cycling tours,clipse lord willin,ρια αντωνιου,ευτυχισμένα γενέθλια,bike tech curitiba,η πολυκατοικία,mtb fahrtechnik,evocacion,mtbr forum,bike tech porto alegre,crankshaft pulley,clipstone,gmbh company,φαψεβοοκ,ρ = ρ0 + at,tyres for sale,redesigned cars for 2020,η ζωη εν ταφω,vtt399,mtb mounir products,adventure cycling store,clips twitch,mtb shoes for flat pedals,clipless mountain bike shoes,redesigned nissan frontier,ιωαννα σαρρη,gmvn harsil,bmc cancer,15-au176sa,redesigned cars for 2019,best new mountain bike products,eurobike x1 จักรยานเสือภูเขา 26 กรอบขนาด 17,xc mtb shorts,doddie weir foundation,muc-off no puncture hassle,carbonite,xc mtb helmet,redesigned traduction,mtb skills for beginners,mountain bike skills course,1rem,sicko mtb products,bike technology,new mtb products 2019,enduro4you,bike technogym,mtb technique training,bike tech broward,mtb hair products,2018 tyt çıkmış sorular,eurobike 2019,cycling corner,ήσσονος σημασίας,muc-off ultimate bicycle kit,shimano 105,εἰρήνη перевод,bmc alr01,new design wheels e importadora,mtb skills progression,muc-off x-3 chain cleaner,doddie weir oor wullie,trailer hitch,leatt helmet,cycling shoes,com.sec.feature.cocktailpanel,helmut lang,ροδος,gmvn online booking,carbonara,new mtb products,mtb shoes shimano,leatt dual axis knee guard,mtb skills park,muc-off disc brake cleaner,mtb helmets,ήταν ένα μικρό καράβι,continental шины,xc mtb tires,leatt 4.5,shimano claris,ήξεις αφήξεις,mountain bike caloi aro 29,trails near me,adventure cycling association maps,clipless pedal adapter,mtb knee pads,15-au174sa,new design porte,2018 korku filmleri,ήτανε μια φορά,continental vikingcontact 7,trailer park boys,raceface b2b,eurobike ribeirão preto,ιν.γρ,mtb products,shimano cleats shoes,mtb skills coaching,enduro helm,mtb technik übungen,vtt subtitles,hp au175tx,gmvn auli,enduro e bike,vtte utem,mtb technic,bike tech bogota,downhill mtb brakes,helmet visor,bmc slr03,xc mtb gloves,redesigned us state flags,bmc roadmachine,gmvn auli ski resort,φτανω,bmc slr02,bmc slr01,shimano mtb shoes,mountain bike skills clinic north carolina,διαιτα,mtb technik,2018 dolar kuru,leatt gpx 5.5 enduro jacket,δημοτικες εκλογες,helmet for baby,ήβη αδάμου,adventure cycling southern tier,εκκλησιαστικά είδη,15-au172tx,mountain biking events,clipless pedals,xc mtb setup,gmbh stands for,φ(k) ∝ at,crankset price,gmbh,φασκομηλο,bmc 2020,helmet catch,ικα ενσημα,doddy hay,crankshaft drawing,xc mtb handlebar width,muc-off 8-in-1 bike cleaning kit,bike atelier,ηp2,downhill mtb jersey,cycling แปลว่าอะไร,ηοτμαιλ,mountain biking images,cycling model,clipless coupons,gmbn podcast,muc-off chamois cream,εδωκεν,gmbh شركة,gmvnl,new bike products,clipless mountain bike pedals,au17 jnk,enduro 50ccm,vtt file,evocacion cali,global mountain bike network wheelchair,mountain biking video,tyresta national park,mtb shoes clips,helmet bike,crankshaft,eurobike friedrichshafen,adventure cycling northern tier,tyres offers in dubai,eurobike ราคา,euro bikes noosa,shimano groupset list,tyres online uae,cycling project,mountain bike skills training,mtb technology,redesigned toyota sequoia,global mountain bike network youtube,