Front Roll Bag Holder Thing.

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trob6
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Front Roll Bag Holder Thing.

Post by trob6 »

I made this about 18 months ago as my roll bag was squashing my hoses a bit too much for my liking.
My friend makes water tanks out of this stuff and gave me a few off cuts, I just cut it on the bandsaw then drilled the necessary holes, to bend it you use a heat gun from both sides until it becomes pliable and with gloves on bend it then put it under the cold tap to set it.
I used an old alpkit strap I had knocking around for the middle strap which you put on first to hold the bag secure thus giving you both hands free to faff with the end buckles and you don't need to use your knees at all :-bd
I did a Welsh coast to coast South to North to test it and it worked fine, I have since made quite a few for friends with no failures.
I have done thousands of miles on it now and really battered it and it seems indestructible or perhaps I shouldn't say that :lol:
The plastic is polypropylene and it weighs 176 grammes with the strap.
Image20180521_165149 by Tim Roberts, on FlickrImage20180520_150540 by Tim Roberts, on Flickr
Image20180520_153623 by Tim Roberts, on Flickr
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ericrobo
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Re: Front Roll Bag Holder Thing.

Post by ericrobo »

I have problem with my Wildcat Lion, on one of my bikes.
It catches the front mudguard... a lot !

The problem is because my front suspension (100mm/4inches) has lost about 6mm, not a lot but contributes to the catching.

Apparently the suspension can drop a bit from its original 100mm, to do with negative air pressure going on in there.... ???

Whatever the reason, it’s a problem, a big problem.

There is Velcro on the Wildcat Lion which I reckon could be 2 inches higher (as well as keeping the original Velcro where it is.)

Therefore the tongue which attaches could be 2 inches higher, giving that much more clearance.

Would your gadget help to keep the dry bag higher ?

If so I’m definitely interested .

What do you think ?

(That’s why I’ve expressed an interest in Sandro’s bag which does not fit on the handlebars...)

And interested in the lightest bar harness in the world, invented by Reg :roll: :roll: :roll:
Are you reading this Reg ?
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trob6
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Re: Front Roll Bag Holder Thing.

Post by trob6 »

I think it would , as you could tune it with the right bend by letting all the air out the forks so you can compress them to full travel to see if it touches the tyre.
You can take the forks apart to do a lower leg service and take out the plunger thing in the air side as air get past it sometimes thus using up a little of your travel, you tube will help.
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RIP
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Re: Front Roll Bag Holder Thing.

Post by RIP »

Aye - four cableties.. what have you got to lose?! :smile:
"My God, Ponsonby, I'm two-thirds of the way to the grave and what have I done?" - RIP

The sign outside the asylum is the wrong way round.....

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jaminb
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Re: Front Roll Bag Holder Thing.

Post by jaminb »

that looks a really great solution - would you make me one for cash?

Thanks
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trob6
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Re: Front Roll Bag Holder Thing.

Post by trob6 »

I guess I could, I didn't put them on to sell just to show my solution.
I would need to know how far from the centre of your steerer tube to the first bend, this depends on your stem length, also I would have to wait until I see my mate next to get the plastic so as long as your not in to much of a rush.
Tim.
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ericrobo
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Re: Front Roll Bag Holder Thing.

Post by ericrobo »

Re the negative pressure in my fork, I got my lbs to try it, and they did, resulting in me now having 104mm of travel...

A bit of grease blocking the transport hole in the chamber, stops the equalisation of air between the stanchion and the lower leg.
:-bd :-bd :-bd
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trob6
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Re: Front Roll Bag Holder Thing.

Post by trob6 »

Happy days.
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Charliecres
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Re: Front Roll Bag Holder Thing.

Post by Charliecres »

Interesting idea. Looks like polypropylene sheet can be bought easily and cheaply From here:
https://www.directplastics.co.uk/polypropylene-sheet

Don’t know if it’s exactly the same stuff, obviously.
BreninBeener
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Re: Front Roll Bag Holder Thing.

Post by BreninBeener »

How thick is the material you are using?

Have you used it out in the field?

Thanks

Ian
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trob6
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Re: Front Roll Bag Holder Thing.

Post by trob6 »

Hello Ian
Its about 5mm thick and yes I have done at least 4000 miles with it in some very challenging conditions. I think it is safe to say its strong.
Tim.
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BreninBeener
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Re: Front Roll Bag Holder Thing.

Post by BreninBeener »

Great thanks.

I will see if i can get some of the plastuc to try it

Ian
Drliamski
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Re: Front Roll Bag Holder Thing.

Post by Drliamski »

I've just bought some from ebay.
Loads of sizes and thicknesses available
https://www.ebay.co.uk/itm/372709062850
BreninBeener
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Re: Front Roll Bag Holder Thing.

Post by BreninBeener »

Did you get 4.5mm or 6mm?

Which size did you buy?

Ian
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trob6
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Re: Front Roll Bag Holder Thing.

Post by trob6 »

I used 6mm on mine, I think the 4.5mm will be too floppy.
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BreninBeener
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Re: Front Roll Bag Holder Thing.

Post by BreninBeener »

Ace.

Thanks

Ian
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