Dahon Jetstream conversion

[Deleted member 4366]

Do you have a tensioner on it?

25mm is a very long way to stretch a stiff 75mm Dahon fork. I don't think it'll work. Did you disassemble your old one to look at the bearings?

 

[cwah]

I have my normal derailler that also works as chain tensioner.

I ordered it quickly because it's cheap and easily accessible. I only need a hub replacement. Dahon hub are not easy to source

ps: I can take a picture of the bearings but I just think I need to replace the whole inner part.

 

[Deleted member 4366]

Is your derailleur in line with the sprocket? Try adjusting it a bit one way or the other.

 

[cwah]

Yes everything is in line. I wonder if it's the chain that is a bit old

 

[cwah]

By the way, I went to the cycle shop (evanscycle) and they had no idea what bike I had, and didn't even have 20" wheels to sell

 

[trex]

evanscycle have showrooms, they are not bike shops. How did the conversation with their sales staff go?

 

[cwah]

Conversation was quite ridiculous (as usual):
They were impressed by my bike, and asked me where I bought it, if I assembled it myself (I said I had it for cheap in Gumtree to avoid questions )

One of the guy asked me how many watts does it push. I started with 2000W, and he was like "wooow, that should go to 80mph!!".
me: "No, I can't go that fast.
him: Oh, I think you mean 200w. Your motor is quite big for 200W, there are now some 1000W motors much more powerful than that
me: ...

Then they said I need a booking with one of their cycle mechanic. Obviously, knowing their competency in cycle, I said I was going to mount it myself lol. I just wanted either a Dahon hub or a 20" front wheel.

Of course, they don't sell any 20" wheels, and recommended me to go to a custom bike shop down the road.


And no, I'm not going to a custom bike shop for a 20" wheel. Last time I asked a small welding job I heard something like 400GBP for the first session.

I wonder how the normal guys fixe their dahon cycles ! I'm now thinking to maybe buy a normal mountain 26" bike and mount all the electric on it for easy maintenance.

 

[Deleted member 4366]

http://s442721994.e-shop.info/shop/article_DAHFRONHUBNUT7428HBLA/Dahon-Aluminium-Front-Hub-Nutted-28H-BLACK.html?sessid=RCAc2nWGJwaCyvJe40kbzfcY8XRt6feIRyNjdcZarild0azs03F5oAAZORr7FVRT&shop_param=cid=35&aid=DAHFRONHUBNUT7428HBLA&

http://s442721994.e-shop.info/shop/category_c606e9765947dcf4a536dba376267438/Dahon-20"-Front-Wheel.html?sessid=RCAc2nWGJwaCyvJe40kbzfcY8XRt6feIRyNjdcZarild0azs03F5oAAZORr7FVRT&shop_param=cid=&

 

[cwah]

http://s442721994.e-shop.info/shop/article_DAHFRONHUBNUT7428HBLA/Dahon-Aluminium-Front-Hub-Nutted-28H-BLACK.html?sessid=RCAc2nWGJwaCyvJe40kbzfcY8XRt6feIRyNjdcZarild0azs03F5oAAZORr7FVRT&shop_param=cid=35&aid=DAHFRONHUBNUT7428HBLA&

http://s442721994.e-shop.info/shop/category_c606e9765947dcf4a536dba376267438/Dahon-20"-Front-Wheel.html?sessid=RCAc2nWGJwaCyvJe40kbzfcY8XRt6feIRyNjdcZarild0azs03F5oAAZORr7FVRT&shop_param=cid=&

Yes thanks D8veh, I've seen the shop. I've mailed them 2 days ago and rang them.

No one answered!!! That's why I'm not ordering.

I don't know when they'd be able to ship anything

 

[jhruk]

I gave you a link to them above - C H White are the main stockists of Dahon spares in the uk. I've bought several items from them and always found their service to be excellent. You can just order from their website.

As I and d8veh have said you probably just need to replace the bearings. The Kinetix hub normally fitted to the Jetstream has cartridge bearings which you have to tap out. Once out you can measure them and order replacements from a bearing supplier. If you want the bushings as well (see here) you might have to order the complete hub as I can't find anyone with any in stock.

Good luck spreading those forks.

I just phoned C H White to check they're there and they answered...

 

[cwah]

is that the number? 01666 822330

 

[jhruk]

is that the number? 01666 822330

Yes

 

[cwah]

Ok I'm going to order this?
http://s442721994.e-shop.info/shop/article_DAHDELWHEELFRONWHITE/Dahon-Deluxe-Front-Wheel-20"--Vitesse-D8-2013-White-(Special-Price).html?sessid=GymSUC6Dc4yNO1BRO3nQfRNjjDvexVkT0jJfqh8k9Jv0ZiWcjJSDZGi8ffDUn2Be&shop_param=cid=12&aid=DAHDELWHEELFRONWHITE&

I'm thinking to get a stronger wheel rather than the 20 spokes from my dahon wheel

 

[cwah]

Ok, I had them over the phone.

I'm ordering this:
http://s442721994.e-shop.info/shop/article_DAHDELWHEELFRONWHITE/Dahon-Deluxe-Front-Wheel-20"--Vitesse-D8-2013-White-(Special-Price).html?sessid=GymSUC6Dc4yNO1BRO3nQfRNjjDvexVkT0jJfqh8k9Jv0ZiWcjJSDZGi8ffDUn2Be&shop_param=cid=12&aid=DAHDELWHEELFRONWHITE&

I hope everything will work fine

 

[jhruk]

Ok I'm going to order this?
http://s442721994.e-shop.info/shop/article_DAHDELWHEELFRONWHITE/Dahon-Deluxe-Front-Wheel-20"--Vitesse-D8-2013-White-(Special-Price).html?sessid=GymSUC6Dc4yNO1BRO3nQfRNjjDvexVkT0jJfqh8k9Jv0ZiWcjJSDZGi8ffDUn2Be&shop_param=cid=12&aid=DAHDELWHEELFRONWHITE&

I'm thinking to get a stronger wheel rather than the 20 spokes from my dahon wheel

Not sure if it will be any stronger but it should fit. Do you like white? They do one in black as well.

 

[cwah]

Yeah I'm going to buy the black one.

It's not as strong as it's a single sided wall, but the other option is to buy a new dahon wheel at 45GBP:
http://s442721994.e-shop.info/shop/article_DAHMUUNO2013FRWHEORANGE/Dahon-Front-Wheel-2013-Mu-Uno-20"-Q-Release-Orange.html?sessid=GymSUC6Dc4yNO1BRO3nQfRNjjDvexVkT0jJfqh8k9Jv0ZiWcjJSDZGi8ffDUn2Be&shop_param=cid=12&aid=DAHMUUNO2013FRWHEORANGE&

They don't have a dahon hub in stock.

So best option is to get this 24.99GBP front wheel.

 

[cwah]

I'm going to add a big apple tyre:
http://s442721994.e-shop.info/shop/article_SCHBIGAPPLE20X20/Schwalbe-Big-Apple-20x2.00-with-Reflective-Sidewall-_-KevlarGuard.html?sessid=GymSUC6Dc4yNO1BRO3nQfRNjjDvexVkT0jJfqh8k9Jv0ZiWcjJSDZGi8ffDUn2Be&shop_param=cid=101&aid=SCHBIGAPPLE20X20&

So it should protect the single wall rim better.

 

[jhruk]

I'm going to add a big apple tyre:
http://s442721994.e-shop.info/shop/article_SCHBIGAPPLE20X20/Schwalbe-Big-Apple-20x2.00-with-Reflective-Sidewall-_-KevlarGuard.html?sessid=GymSUC6Dc4yNO1BRO3nQfRNjjDvexVkT0jJfqh8k9Jv0ZiWcjJSDZGi8ffDUn2Be&shop_param=cid=101&aid=SCHBIGAPPLE20X20&

So it should protect the single wall rim better.

Yes, I use Big Apples, they work well on small wheeled bikes. Schwalbe also do an even wider one, 55-406, and also a Plus version with extra puncture protection, which I haven't tried yet.

 

[cwah]

Oh I may buy the plus version? it's cheaper in the german site.

However it has only 3 stars?

 

[cwah]

All ordered. Should arrive next week.