[python] Re: Tire for Breakfast?
- From: Dirk Bonné <dirk.bonne@xxxxxxx>
- To: python@xxxxxxxxxxxxx
- Date: Wed, 27 Apr 2011 14:25:42 +0200
Hi George,
quite high. The BAs are specified up to 5bars, but I usually pump up to
5.5 or even 6bars.
I broke in total 3 rims. The one in the picture held less than a year
and is may be a faulty fabrication. The other 2 broken rims were
installed on my baby python (RIP), and were quite old: about 10years and
had considerable wear on the flanges (V-brakes). I may have ridden 4
years with BAs on these rims, before that marathon 35-406 or
vredresteins monte carlo 37-406 (my favorites at the time).
I have a new rim now: "schürmann reflex 19"
(http://www.schuermann-rims.com/rims/index.php?id=21) and they are
specified for a 62mm tire ( no pressure specs though :-( ).
Dirk
On 26.04.2011 23:16, George Durbridge wrote:
> Dirk, the rim cracking looks bad: what pressure are you using in your
> Big Apples?
>
> On Mon, 2011-04-25 at 15:15 +0200, Dirk Bonné wrote:
>> Arggh wrong picture, it was this one I wanted t show:
>>
>> https://picasaweb.google.com/dirk.bonne/Pythoon#5591445038290460706
>>
>> On 25.04.2011 15:13, Dirk Bonné wrote:
>>> Be aware that the rim must be up to the extra force caused by a big
>>> apple (the force on the rim goes up lineary with the width of the
>>> tire). I have broken in total through 3 rims, they split open either
>>> at the flange
>>> (https://picasaweb.google.com/dirk.bonne/Pythoon#5501268362855244498 ), or
>>> in the middle where the holes to access the nipples are drilled.
>>>
>>> The solution is to have a good quality rim that is wide enough. Big
>>> apples are still worth the trouble, cause it is much more forgiving
>>> when riding through potholes.
>>>
>>> DirkB
>>>
>>> On 25.04.2011 11:28, Gerald wrote:
>>>> Hi All,
>>>> Thank you for all the feedback! Good to hear that you do not
>>>> experience the same extreme tire wear. Gives me also the
>>>> confidence it is just the cheap tire, not the concept.
>>>> The alignment is OK, maybe could be better but we are talking
>>>> about 2-3 mm here.
>>>> Guess I will try either the big apples or the marathons and see
>>>> how they last.
>>>>
>>>>
>>>> Best regards
>>>> Gerald
>>>>
>>>> On 21.4.11 20:58 , Dirk Bonné wrote:
>>>>> Hej Gerald, I always put on big apples (50-406) on my python
>>>>> (pythoon now). There is no extraordinary tear on them - in fact
>>>>> the tires never wear out, because I have always need to replace
>>>>> them from the cuts made by the silica stones, instead of the
>>>>> wear of the rubber.
>>>>>
>>>>> Dirk
>>>>>
>>>>> On 21.04.2011 13:00, bepb@xxxxxx wrote:
>>>>>> Hi,
>>>>>> five weeks after roll-out off my 20" python, the tire off the
>>>>>> front wheel is finished. Either the tire was rubbish from the
>>>>>> start or the bike eats then for Breakfast, or both. The tire
>>>>>> was more or less new.
>>>>>> I unterstand that both the frontwheel drive as well as the
>>>>>> smaller size will add to tire wear, but this seems a bit
>>>>>> extreme.
>>>>>> I now wonder which tire to buy. Just again the cheapest
>>>>>> availabe or is there some type that will last longer? Any
>>>>>> expiriences?
>>>>>>
>>>>>> Gerald
>>>>>>
>>>>>>
>>>>>>
>>>>>>
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