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941114 Posts in 134634 Topics by 5103 Members - Latest Member: Richards1ea November 19, 2017, 06:53 AM
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RADBMX.CO.UK  |  BMX General  |  BMX Chat  |  Belt drive anyone?
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Author Topic: Belt drive anyone?  (Read 372 times)

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Offline Mikku

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Belt drive anyone?
« on: November 13, 2017, 12:32 PM »
Saw this at the Midoriyama race track on Sunday. I've read about belt drives online but it was the first time to see one in the flesh. & very nice it was too. The bike belonged to an elite class rider and he's trying to promote these over in Japan.
From Dorset to Japan:- http://www.radbmx.co.uk/forum/index.php?topic=182215.msg1828811#msg1828811
Riders ready, watch the gate old guy on the Crupi with a dicky shoulder! :D

Offline Taipan

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Re: Belt drive anyone?
« Reply #1 on: November 13, 2017, 01:03 PM »
Looks cool  :daumenhoch: so who knows the story behind this then? any good etc? I have a belt driven excersize spin bike and the only thing i get is its a lot quieter when riding  :daumenhoch:
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Offline Mikku

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Re: Belt drive anyone?
« Reply #2 on: November 13, 2017, 02:04 PM »
There's some good info in here:-

http://www.bmxsociety.com/topic/39824-belt-drive-for-bmx/?hl= belt  drive

Plus this on the Yess bikes:-

http://www.bmxnews.com/2016/04/yess-belt-drive-cruiser-ready-for-duty/

Interesting stuff!
From Dorset to Japan:- http://www.radbmx.co.uk/forum/index.php?topic=182215.msg1828811#msg1828811
Riders ready, watch the gate old guy on the Crupi with a dicky shoulder! :D

Offline Peter J

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Re: Belt drive anyone?
« Reply #3 on: November 13, 2017, 02:07 PM »
Struggling to see the advantage over "normal" chain  :(

Its like the BMX race bikes with rear disc brakes  :-\
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I might actually build a bike this year instead of just hoarding parts :)

Offline Spen69

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Re: Belt drive anyone?
« Reply #4 on: November 13, 2017, 10:00 PM »
Struggling to see the advantage over "normal" chain

Doesn't stretch
No oil so doesnt trap dirt
Loads lighter than a chain
Looks cool as fook

Did I miss anything my chunky friend ???
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Offline Mikku

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Re: Belt drive anyone?
« Reply #5 on: November 13, 2017, 11:08 PM »
Its like the BMX race bikes with rear disc brakes  :-\

& this bike had both! :coolsmiley:

I can see the advantages but the cost is prohibitive unless youíre a top, sponsored rider, who are probably the only ones who can see any performance gains anyway. But yes, cool as fook! :daumenhoch:
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From Dorset to Japan:- http://www.radbmx.co.uk/forum/index.php?topic=182215.msg1828811#msg1828811
Riders ready, watch the gate old guy on the Crupi with a dicky shoulder! :D

Offline Drawn

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Re: Belt drive anyone?
« Reply #6 on: November 14, 2017, 08:05 AM »
I see the issue that if you damage the belt somehow its not exactly like a trackside shop will have a spare one, plus they are of specific measurements (unlike a chain where you can just break and join it). Also the gearing options are a little limiting at the moment.
There are certainly some advantages as listed earlier but overall its still quite niche.
You can also wash it down. and there is less maintenance as such.

Same as discs, you can reduce rotating mass (can run a lighter rim that doesn't have the braking surface) but then you add the weight in the brake itself.
Or if you go hydraulic, not many trackside shops can easily fix it like a cable V brake.
Mind you I have been considering a Hydraulic V brake for giggles (451mm disc brake?  :daumenhoch: )

Looks different though. (have seen one in person)
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Offline griff

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Re: Belt drive anyone?
« Reply #7 on: November 14, 2017, 09:37 AM »
so they can't be split/rejoined - how do they go on? through a gap in the frame? (is that what that little red section on the seat stay is is for, looks like it can come out?)
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Offline VOIVOD

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Re: Belt drive anyone?
« Reply #8 on: November 14, 2017, 10:01 AM »
 :) Yess have been toying with these for a while.URP also have a belt compatible system on the market already but you have to remove the whole rear end (both dropouts & axle)
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Offline Monk_Wally_Honk

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Re: Belt drive anyone?
« Reply #9 on: November 14, 2017, 10:03 AM »
so they can't be split/rejoined - how do they go on? through a gap in the frame? (is that what that little red section on the seat stay is is for, looks like it can come out?)

Yes, exactly that.
Gertcha!

Offline oldschoolace

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Re: Belt drive anyone?
« Reply #10 on: November 14, 2017, 01:00 PM »
Its a long held project idea of mine to do a belt drive Raleigh Vectar!
They were originally inteded to be belt drive but slipage issues made raleigh revert back to a chain.
(im guessing the belt was a tension v belt or similar rather than a toothed design)  :daumenhoch:
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Offline griff

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Re: Belt drive anyone?
« Reply #11 on: November 14, 2017, 01:38 PM »
Its a long held project idea of mine to do a belt drive Raleigh Vectar!
They were originally inteded to be belt drive but slipage issues made raleigh revert back to a chain.
(im guessing the belt was a tension v belt or similar rather than a toothed design)  :daumenhoch:

wouldn't the belt create a lot of smoke though, when the bike is placed on the bonfire?

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Offline oldschoolace

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Re: Belt drive anyone?
« Reply #12 on: November 14, 2017, 02:10 PM »
Shocking! 80s Design classic is the vector!!!
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Offline kalex

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Re: Belt drive anyone?
« Reply #13 on: November 14, 2017, 04:28 PM »
I've been looking at getting a commuter bike with alfine 11 speed hub and they come in chain and belt versions.

The belt type has a centre ridge I think around the circumference of the chain ring and a groove in the belt which I guess stops the belt from coming off
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Offline BMX1973

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Re: Belt drive anyone?
« Reply #14 on: November 14, 2017, 08:14 PM »
Looking at it, I would have thought it would slip off front sprocket.

Looks cool  8)
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Offline kalex

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Re: Belt drive anyone?
« Reply #15 on: November 14, 2017, 09:24 PM »
Looking at it, I would have thought it would slip off front sprocket.

Looks cool  8)

Think its got what I said above to stop this
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Offline part time

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Re: Belt drive anyone?
« Reply #16 on: November 15, 2017, 07:35 AM »
I just can't get over having to have a removable section on the seat stay.....
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Offline Wadz

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Re: Belt drive anyone?
« Reply #17 on: November 15, 2017, 08:30 PM »
Can see it been lighter , with all that extra shit needed
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Offline Drawn

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Re: Belt drive anyone?
« Reply #18 on: November 16, 2017, 06:18 AM »
I just can't get over having to have a removable section on the seat stay.....

Id like to see the whole rear end be changeable like an Auburn.
(but so you can get the belt out)
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Offline Midschoolfool

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Re: Belt drive anyone?
« Reply #19 on: November 17, 2017, 09:39 AM »
Awesome. I bet it's quiet too.
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Offline VOIVOD

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Re: Belt drive anyone?
« Reply #20 on: November 17, 2017, 11:42 AM »
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"Everything is a dildo.It just comes down to how brave you are."

Offline Mikku

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Re: Belt drive anyone?
« Reply #21 on: November 17, 2017, 11:46 PM »
Thatís ^^^^ a tasty-looking piece of kit!!! :coolsmiley:
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From Dorset to Japan:- http://www.radbmx.co.uk/forum/index.php?topic=182215.msg1828811#msg1828811
Riders ready, watch the gate old guy on the Crupi with a dicky shoulder! :D

RADBMX.CO.UK  |  BMX General  |  BMX Chat  |  Belt drive anyone?
 

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