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 Folding Bicycles V6, Folding bicycle discussion

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etigge
post Sep 16 2017, 08:59 PM

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QUOTE(6999 @ Sep 16 2017, 07:10 PM)
Hi, I have just got a used Dahon Eco C7 foldie with 20"x1.5" rims, on a stock 20x1.75 tyres. Plan to replace those tyres as its probably been there since 2013-14.
Can the rim fit a Schwalbe Marathon Racer 20x1.50 tyre instead?

Thx.
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The Schwalbe Racer is 1.5" and it don't last as long as the Marathon Plus or Supreme. Is it because of the treads? No worries, the Supreme and the Plus is pretty good too and the rolling resistance , I think the Supreme is much better with less treads. If you read through a website, actually foldie or roadies tires are too narrow to actually make a difference in tread patterns. Most of the time, just a narrow part of the whole width is actually in contact with the tarmac, so the treads makes no difference, unless you are talking about wider tires like the Big Apple or the Maxxis DTH. More important is the rubber compounds that makes the tires. Even the bald Kojak sticks to the tarmac but the compound is sticky when hot.

I think the original rims should be able to handle all three models of the Marathons though. But the 1.5" tires on the 1.5 wide rims will lower the bike just a bit....just a bit.
etigge
post Sep 17 2017, 11:20 PM

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QUOTE(6999 @ Sep 17 2017, 09:59 PM)
Hi,
Few things come to mind, as the existing stock hubs are non-QR. might be an option to just that and upgrade to 8 speed cassette. Do you think the stock rims can fit the cassette?

Thx.
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There's no point using the old rims if you want to change the hubs. The original 7 speed wheelset is single layer. If possible, get double layered rims. If price is a factor, you can get the WTB 20 inch wheelset which is around 300 bucks only. I don't know if it is still in the market though. The non QR hubs can be converted to QRs. The shaft used in the non QR are solid but hollow ones can be found in most local bike shops. The shafts are cheap and the rear ones needs no further modifications, just dismantle the original and transfer the components on the new hollow shaft but the front ones needs to be sawn off though as Dahons are only 73 mm wide and most front shafts are 100 mm. Another problem is......... I don't know if you can find 73 mm QRs.

PM me if you want an 8,9 or 10 speed wheelset. I am thinking of changing mine anyway. That is , if you are interested lah! tongue.gif
etigge
post Sep 18 2017, 11:52 PM

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QUOTE(dieoledi @ Sep 18 2017, 09:41 PM)
Since this is the topic I would like to ask where i can buy a pair of rim?

WTB wheel set?
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Kimbell Jaya do stock them but I am not sure now.
etigge
post Sep 19 2017, 02:13 AM

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QUOTE(babycookie @ Sep 19 2017, 12:26 AM)
Is it possible to get a Brompton for RM 4000 ? At the most basic spec ? I can upgrade everything later right ?

I'm new to folding bikes and I was told Brompton are the best and very configurable just like a desktop pc?
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The last price before the last increase was a 2 speed Brompton on offer as the last unit and it was sold for RM4200. After that, no 2 speeds or 3 speeds id popular, only the 6 speed is. So, if you are thinking of getting the lowest spec and modify later, the Sturmey Archer 3 speed hub gear is not cheap either but you do have the option of getting the 5 speed which converts it to 10 speed later though. Yes, Sturmeys are now Taiwanese and not British and they have came out with 5 speed of which the internals can be fitted into the 3 speed hub casing. The internals are available in UK. Here, nobody brings in let alone do it. But you can buy the whole 5 speed Sturmeys.

You can also try the 8 speed Sturmeys but I didn't read the literature about it so I can't comment but I do know they are available. So, there's pros and cons about getting the single and 2 speed lowest spec Bromtons. Just be warned though, since Bromptons are expensive, even though everything is basic simple stuffs, they charge premium because they know you can afford it. tongue.gif

Just like Naza charges RM1600 without labour for Peugeot timing belt change while non-authorized specialist charges RM900 with labour or a RM500 rear wheel bearing and respectively only RM120 . Likewise with Peugeot or Bromptons for that matter , they threaten you with warranty default. tongue.gif if you do it somehwere else.
etigge
post Sep 19 2017, 06:48 PM

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QUOTE(KenC @ Sep 19 2017, 08:10 AM)
Sifu Etigge the B cult won't be happy with the Peugeot metaphor! Fararri will make them happy… but that will upset the other cult…
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Not that level yet lah ! tongue.gif Ferrari do have bikes made by Bianchi and their price is 76K which can buy 10 Bromptons. Where can reach Ferrari level leh ...... tongue.gif
etigge
post Sep 27 2017, 08:23 AM

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QUOTE(desastar @ Sep 27 2017, 06:44 AM)
I got a quote for £394 and another nearly US$594 for the rear triangle, in titanium or stainless steel. If the B is going to be my only bike, I would do it.......but it is not. Still, nice to have 8 or 11 speeds.
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There is a Sturmey Archer 8 speed which has a 120mm lock nut dimension. Most probably for Bromptons but there is a model, IHW8F.XDSS.HA2 which is 120mm. With this model, you don't need to change the rear triangle.
www.sturmey-archer.com/.../SPECIFICATIONS%20-%20IGH%20S80%20(W).pdf
etigge
post Sep 27 2017, 08:26 AM

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Nice huh ? rclxms.gif

user posted image
etigge
post Sep 28 2017, 07:46 AM

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QUOTE(KenC @ Sep 28 2017, 01:14 AM)
Very nice. What leather is this?
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Cow hide with suede lining. Made a few of this for some B riders.
etigge
post Sep 28 2017, 06:39 PM

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QUOTE(KenC @ Sep 28 2017, 04:29 PM)
Cow hide and leather are 2 different thing? Sorry for a stupid question.
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Hahaha. it's leather actually. Cow hide is leather which still have the original colour and hair as well. Like those many use for rugs.

This post has been edited by etigge: Sep 28 2017, 10:24 PM
etigge
post Oct 1 2017, 07:10 PM

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QUOTE(rkhairulrijal @ Oct 1 2017, 03:39 PM)
KLIA 2 bro. I ride from Putrajaya just to get this shot. smile.gif return trip 80km only
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The spray can that I used are 2Ks which must be used within a week after purchase. It is filled into aerosol cans only after you choose your color by the shop here that specializes in auto paints. I did ask about polyurethane clear lacquer but the shop said it hardens too fast and not encouraged. But the clear lacquer they sell me are quite good, super high glossy finish but needs at least 3 coats. Also, although the aerosol can is the normal size, I only use about 60 percent (guess work) because I don't want to risk big droplets spraying out as the pressure is soft by this time. They sell the paints at 22 bucks per can and clear coat is 19 bucks. I usually use 1 can color paint and 2 cans clear coat.

How I wish I have a compressor or I would use epoxy paint and clear coat. It's even harder than powder coating after adequately dried. Just like fibre glass resin, the epoxy paints also use a catalyst for hardening (timing is crucial) and there's a time frame to spray and clean the nozzle.

The regular anchor brand is good but they scratch very easily as they are not really hard.

This post has been edited by etigge: Oct 1 2017, 07:11 PM
etigge
post Oct 1 2017, 07:14 PM

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QUOTE(azamunekurone @ Oct 1 2017, 02:25 PM)
its weekend, and lets get some workout 💪

user posted image
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Ada kayuh naik itu orang asli village? thumbup.gif
etigge
post Oct 2 2017, 09:59 PM

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QUOTE(azamunekurone @ Oct 2 2017, 07:39 PM)
jalong tinggi done that before. but until 3rd village (kg kenang if im not mistaken) people said got kg zainal (forgot also the last kg) but after kg kenang the road are very slippery..

if i got mtb, of coz will go there..
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I followed the Ipoh group there but can't finish the ride. They started from Kg. Kenang, parked the cars at the school there. From there, go back down a little then turn left and ride along Sungai Kerbau. It's tarmac all the way. The gradient was too steep for me and I gave up just a few km from the last village.
etigge
post Oct 22 2017, 11:07 PM

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QUOTE(weikee @ Oct 22 2017, 08:37 PM)
How many hours was the ride?
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In my opinion, the Fraser's Hill route is the best I have ridden, apart from Kuala Tembeling to Kuala Tahan (which is a bit far for regular rides). I have even ridden this route on Wednesdays which was even more fun because there are less traffic going up or coming down. The whole route (starts from KKB town) is 6 kilometers to the dam (don't be a hero here as the climbs are quite long, treat this as a long warm up) , another 6 km (flattish plus downhill) to Sungai Chilling. From here onwards it is a 20 km gradual climb all the way to Gap Station with a few, just a few steep climbs, usually at the hairpin turns, other than that it's all gradual which can be ridden even with single chain ring bikes.

After that, it's up to you to do that last steep 8 km up to the clock tower. This is torturous after the 32 kilometers ride from KKB. I usually don't do the last 8 as it's not fun. The momentous clock tower pictures, I already done twice so there's no point for me to do the last 8 km anymore as I don't enjoy it. After that , it will take you only 40 minutes to reach back KKB, the only climb is the dam. After the dam, you can do 50 kmh or 60 kmh all the way back to town. I have done 13 rides here as I enjoy the cooling ride in the mornings as the sun is shaded by the mountains in the mornings. I encourage you to do this ride. It's not as hard as most says. As long as you are good with your gearings, you will be fine.

There are many KKB folks (usually mtbs) who can ride up and back within 3 hours. My first time from KKB to the peak took me 5 hours, rested an hour up there and then that dreading climb from the clock tower to the rear exit. Careful at the descending road as it is a bit 'keras' mega_shok.gif Then after GAP it is all the way down, down, down till Sungai Chilling again. Later rides, it took me 4 hours 30 minutes with lunch at the peak.

I would suggest for first timers, park your car in Sungai Chilling. Skip the first 12 km. The route there is all uphill for 20 km till GAP. The good part is , it is also OK for newbies as IF you can't reach GAP , the way back to the car is all downhill, so not much of a problem. Once you can do this, then can try from KKB. thumbup.gif

When I was in KL, it takes me one hour to actually drive to Hulu Langat or Putrajaya to ride. KKB is about 70 minutes if I start early, so KKB is not really considered far.
etigge
post Oct 23 2017, 10:32 AM

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QUOTE(weikee @ Oct 23 2017, 08:34 AM)
Scary scary long hours ride. You all really have powerful and stamina.

My longest ride was around kesas for 1 hour only. Always amaze how you all do the long journey and stamina you guys have.

I used to have spine problem, and try not to stress myself too much also. Anyone here previously have spine issue that still ok to ride long hours?
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Most doctors recommend cycling for alternative workout when you have knee or spinal problems. Although the journey might be long, you don't need to ride till you reach in one go. You can actually fix a picnic bag onto your bikes, do a potluck party while riding with COMPATIBLE friends. If you are tired, there are many, many spots along the way for all of you to have a picnic before continuing the ride.

Again I stress, riding companions are important. Incompatible friends will spoil your ride, ultimately your interest too if it goes really bad. Choose your riding friends wisely.

PS/ Just make sure you budget the whole day for this ride and there will be no rush.

This post has been edited by etigge: Oct 23 2017, 10:33 AM
etigge
post Oct 28 2017, 12:20 PM

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QUOTE(azamunekurone @ Oct 28 2017, 07:59 AM)
since we discussing dilemma 16” 305 and 349, this is my fnhon zephyr with 349 wheelset. love the polished color. the was not painted. only clear coating and stickers. scratch also u wont noticed much unlike other color.

user posted image

previously,
im using 305 wheelset (with my trinx convert cosmetic fnhon). with the same setup gearings (53/39 crank + 11-23 casette) i transfer it to 349 wheelset. suprisingly, all those gearing are just enough for me top speed or climbing (i had used 55/42 before on 305).

the problem with 349 is the choice of tyre. i came accross the net and found only 5 tyre available for 349. one is kenda (forget what model, but this are the cheapest). 2nd is schwalbe kojak 349/1⅛/32 profile high. 3rd is marathon racer that is 349/1.35/34. 4th is joseph kousac (most expensive) that is 349/1/25. and the last is stock kevlar brompton tyre. that one need to find brompton owner to sell it for u..

besides tyre problem, tubes also hard to find in my local store here in ipoh. only 1 shop selling it since that shop selling brompton. but thats not a big problem. i already had 2 spares in box, one extra on each bike..

dillemma for 349 and 305 are the same like 406 and 451. IMHO, the 349 feels like 406, and even u can keep up 20/406. u will get 406 feel, but much smaller and compact bike.
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I also get into a fight with the local bike shop because of inner tube size. I was looking for 20 inch (406) tubes and the shop gave me 2 tubes with 20" printed on it. I guess that the shop will know but when I got back, it was actually even bigger than 22 inch. I can't even use it on my wife's 451s. So, I took it back, thinking maybe if I can change them but the shop keeper's wife (women are terrible shop assistants) keep insisting that it is for 20 inch wheels. I said at least change to an 26 inch tube if you don't have but she adamantly says it is for 20 inch. I threw the tubes back to her and walked out.

Later I found out that the tubes are actually for wheelchairs. Although the biggest bike shop here in Taiping, I never patronise them anymore. Thing is , manufacturers have their own kind of listing like 20 inch x 1 3/8 inch and so forth, this actually makes the whole sizing perplexing until you really memorise what you want. At times, the shop keeper don't even know. The Kenda you mentioned must be the Kenda Kwest, that's the cheapest from Kenda tongue.gif Schwalbe makes them is probably for Bromptons and some mini velos. That's why so few models, namely the Duranos and Marathon Racers.

Anyway, 406 inner tubes can be used on 451s, need to stretch a bit. This makes it thinner and lighter in fact. But getting punctured while riding, you need to be patient. biggrin.gif

This post has been edited by etigge: Oct 28 2017, 12:22 PM
etigge
post Oct 28 2017, 09:12 PM

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QUOTE(KenC @ Oct 28 2017, 06:48 PM)
I puzzle why the 305 is call 16" 305 is only 12", unless you use 50mm or 2" tires… maybe the are referring to the mudguard size.
If you check your ruler, 20 in is 610mm, how to relate 406 and 451 to 20" is as mysterious as our formula for our petrol price.
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305, 349 is the circumference of the rim in millimeters and likewise 451mm is the circumference of the rim for the 22 inch rims. This is also the same figure you use to configure your cyclo computer.

PS/ doesn't make sense either , huh? rclxub.gif After reading even more stars rclxub.gif
http://www.sheldonbrown.com/tire-sizing.html

This post has been edited by etigge: Oct 28 2017, 09:40 PM
etigge
post Nov 1 2017, 02:30 PM

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QUOTE(dizismine @ Nov 1 2017, 10:48 AM)
Thank you. I do not mind if I need to increase the budget based on the recommendation.
Thank you for the informative reply. This kind of information really do help me to decide on my bike purchase. A need to increase my budget would not be a problem if it is a bargain for future. It just brompton is definitely out of budget. LoL. Great bike that you have there.
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A Brompton is not suitable for touring although there are exceptions where some do take it for touring. Parts are hyper expensive and this is the first objection when it comes to suitability for tourers. Secondly, you can't find the parts easily. Bromptons are more for city commuting. You know, the last mile connection.
etigge
post Nov 2 2017, 06:43 PM

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QUOTE(gck @ Nov 2 2017, 11:09 AM)
I cycle almost weekly to dragonback near bukit ramlee there.
i share with you my experience, first started on road bike, front 34t behind 28t, cannot make it up, need to stop a few times before can climb up.
Thereafter i change the to rear 34t front remain 34t, can make it already but also tiring, there i train for more than 1 year slowly i can climb with 34t front and behind 26t. Now I can go even lower than 26t but using 26t is effortless.
I don't have powerful legs nor light bike, my khs cheapest roadbike alone weight 10kg. the thing is it takes time to train up your leg, Last shah alam endurance ride, i see a lot of cervelo, sworks, bla bla all push up the same hill.
So no shortcut, one hill at a time,slowly you will conquer it all...
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Do you visit the 'pineapple juice' warung up there?

To me, that is............I am more concerned about cadence. Although I don't have a cadence sensor on my bike, I get used to a normal cadence. Doesn't matter if it is 75 rpm or 90 rpm (number that is considered a normal) or 120 rpm. Mine is approximately about 70 only. Just like the numerous railway flyovers here in Taiping, first time, I need to use the smaller chainrings and then as time goes by I don't need to change anymore and later stages , I have more than enough gears on my cassette even with the largest chainring. And all this while, my cadence is unchanged. If I ever want to pursue or catch up with faster riders.........I will have to either go higher gears which affects my 'pedal effort' or increase my cadence in which both will disrupt my cycling norms. I won't last long if I do that. So, I don't catch up with them, they still need to wait when regrouping and if they don't , no matter anyway.

If I run out of gears when doing uphill, I will add some extra 'pedal effort' but I don't force myself either because this is the main cause of 'butt pain' when the pelvic bones are pressed hard. Once this happens, goodbye to your ride for that day. It won't go off unless you take a few hours rest. Better to push your bike up.

Off course I am talking about regular recreational fun riders and not race riders or serious riders, ya! biggrin.gif
etigge
post Nov 3 2017, 09:22 AM

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QUOTE(chinti @ Nov 3 2017, 08:42 AM)
ya max 100km for me. was wondering is tht bike enough or should i save a bit more and get dahon
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Frankly, to do 100km in a day is actually quite a feat for folding bikes. It's no problem for road bikes as their bikes are designed for aerodynamics and they weigh averagely 8 kilos only. Also most of their wheelsets are not more than 2 kilos with tires. This makes the rolling very much smoother. Coming back to folding bikes, to assemble one less than 12 kilos will take bucks and bucks of dough. So, don't expect a 1K or 2K folding bike to be sub 12 kilos. Doing 100 km, entails very reliable components and this also means more bucks. Even some of our friends' foldies of forummers within here, I can guess their toys cost more than 5K when they assemble.

It is easier for us that tinker with our own bikes. If you can't, it will cost a lot more for labour charges to send to LBS for some upgrades or even more for mods.

In your case, Dahons and Terns which meets your requirement to be in the 5K or more range. Even if we start with a Dahon Route, which is now selling for 1.6K is shodded with the basic 7 speed. And even with this, after some basic mods on it like wheelset change, groupset change will come back to square one, more than 4K. So, your best bet is Java. They are the ones that captures your segment. They will get bulk OEM components and make their frames either tough or light (you choose one biggrin.gif ) and fit in 16 speed or 18 speed. Never 20 speed though because 20 speed is still relevant in biking circles so the 8 speeds and 9 speeds are much cheaper to get their components. But it does serve the purpose nowadays as companies like Sunrace makes cassette with their higher end range. So, technically speaking, 16 or 18 speeds actually performs the same as 20 or 22 speeds if you get the right cassette. Then again, higher ends and more lasting or robust components are all 10 speeds and above nowadays.

This post has been edited by etigge: Nov 3 2017, 09:25 AM
etigge
post Nov 17 2017, 10:30 AM

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QUOTE(lazyman@home @ Nov 16 2017, 07:52 PM)
Nice. May I know how to do bike fitting on foldie?
Isn't that the adjustment is limited?
Thanks for guide
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We are not pros, so precise bike fitting is not necessary. But the basic bike fitting is important though. Anyway bike fittings are also limited for irregular physique like me, 'fatty fella'. Long waist, short reach arms with short reach legs, overweight etc.etc. Unless if I am going for a custom bike builder most bike frames in the market are standardized, meaning they cater to the regular mass market.

The basic measurement that you MUST adhere to is,

01) Seat height. Most newbies will ride lower as they are more confident if their legs touch the ground easy but this will tire you fast. Ideal is your knees are just slightly bend when your pedals are at the lowest point. Not straight though as this will be too high. If you see someone's butt is flopping up and down, up and down, to the right to the left ,that means the saddle is too high.

02) Saddle setback. Adjust your saddle front and back until you find your sweet spot. Usually if your knee cap is just slightly in front of the pedal spindle (center in other words) when your pedal is in mid stroke (3 o'clock position). Adjusting this right will avoid your jewels rubbing against the saddle.

03) Handlebar reach. But since folding bike handlebars are adjustable, it's easy. Also some ride foldies for the relaxing manner it can be ridden so I don't think this is important BUT it must not be too near as it will be tiring. It has to stretch out a bit.

I can't get 2 of this on my Giant folding bike and it was a torture riding it. The reach was too near, meaning top tube is too short and also the set back was out. My knees went way way over the pedal spindle even with my saddle pushed to the rear as far as it could. This means the seat tube is too upright. It's sold anyway, cheaply too.

So, check the 3 basic criteria when you are buying a foldie. Folding bikes are for relaxing rides lah, not pro racing. Off course for mtb or road bike, more measurements comes into consideration. tongue.gif

PS/ For condition no.2, you still need a suitable saddle. Wrong saddle still will pain your jewel. Like myself, even Brooks didn't help. Already sold off with the Giant sad.gif . Maybe jewel too big tongue.gif tongue.gif tongue.gif

This post has been edited by etigge: Nov 17 2017, 10:33 AM

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