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Search: Posts Made By: Fentuz
Showing results 1 to 50 of 763
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Forum: Folding Bikes
05-23-24, 01:56 AM
Replies: 28
Views: 962
Posted By Fentuz

no idea, however, i would not be surprised if it...

no idea, however, i would not be surprised if it was a std 27.2 post going in a 33.9 which would give just over 3mm wall thickness.
Forum: Folding Bikes
05-22-24, 05:27 AM
Replies: 28
Views: 962
Posted By Fentuz

I cannot add much other than tern has a...

I cannot add much other than tern has a telescopic seatpost to suit long rider.
i rider a helios with litepro stem and 32” inseam. There is more than 4” spare on the post before reaching mini...
Forum: Cyclocross and Gravelbiking (Recreational)
05-21-24, 02:22 AM
Replies: 4
Views: 280
Posted By Fentuz

brakes are set adequately with sintered pads and...

brakes are set adequately with sintered pads and shimano icetech rotor.
But, i use my bike as a hard tail XC bike and when I go down 20% @ 40kph, I like to get strong bit and release (i brake on mtb...
Forum: Folding Bikes
05-16-24, 03:04 AM
Replies: 16
Views: 528
Posted By Fentuz

i meant I d pooped myself 😜

i meant I d pooped myself 😜
Forum: Folding Bikes
05-16-24, 02:29 AM
Replies: 12
Views: 450
Posted By Fentuz

I doubt it, you would need a very big chainring,...

I doubt it, you would need a very big chainring, very low rolling resistance tyres etc.
i get these values with my lightened helios.

While the gearing calculations are a good start, they don t...
Forum: Folding Bikes
05-16-24, 02:20 AM
Replies: 16
Views: 528
Posted By Fentuz

if I were in the front seat, my pans would be...

if I were in the front seat, my pans would be very brown…:speedy:
Forum: Cyclocross and Gravelbiking (Recreational)
05-15-24, 01:00 PM
Replies: 4
Views: 280
Posted By Fentuz

Hope Rx4+ calipers…

Hi all,
I am currently running sram rival caliper with the 160 bracket setup. I have had 180 front disc with peak torque adaptor for the last 2 yrs but I want more power and less mounting brackets...
Forum: Cyclocross and Gravelbiking (Recreational)
05-08-24, 11:51 PM
Replies: 2
Views: 320
Posted By Fentuz

Why are you looking into 2x10 GRX specifically? ...

Why are you looking into 2x10 GRX specifically?

if this only thing you want is go from mechanical brakes to hydraulic , then latest tiagra is your friend. It can take easily cassette up to 36T
...
Forum: Folding Bikes
04-29-24, 01:26 AM
Replies: 58
Views: 5,626
Posted By Fentuz

well the electronic was still “interesting” due...

well the electronic was still “interesting” due to various acquisitions. Ford got involved, honda got involved, bmw got involved all resulting in a mix of connector and sensor from an engine loom...
Forum: Folding Bikes
04-29-24, 01:10 AM
Replies: 41
Views: 1,774
Posted By Fentuz

yes, i cannot agree more and @etrto 14-406, 35c...

yes, i cannot agree more and @etrto 14-406, 35c is the limit but, thanks to conti urban contact, 32-406 is really good with this rim @50 psi with my 66-69kg
Forum: Folding Bikes
04-28-24, 11:50 AM
Replies: 41
Views: 1,774
Posted By Fentuz

14mm I agree, on a frnt wheel, it is just...

14mm

I agree, on a frnt wheel, it is just ok. On rear, it is playing with fire. The tern kinetix seem stronger but expensive.

the litepro are not bad but @ £70 per wheelset, you get what you...
Forum: Folding Bikes
04-28-24, 09:18 AM
Replies: 41
Views: 1,774
Posted By Fentuz

like most dahon things… new models are not great,...

like most dahon things… new models are not great, distribution network is not great… i cannot see the brand sustainability but that s another subject
Forum: Folding Bikes
04-28-24, 05:09 AM
Replies: 24
Views: 1,236
Posted By Fentuz

i have seen both and it confusing. In the end, i...

i have seen both and it confusing. In the end, i realised that the easier way to know was to check the gear ratios:
14-32 => freewheel
11-32 => freehub.
Forum: Folding Bikes
04-28-24, 05:01 AM
Replies: 58
Views: 5,626
Posted By Fentuz

the car was not bad in term of reliability, did...

the car was not bad in term of reliability, did 130000 miles on 1 tuned engine (half of the mileage on track), and another 20000 on a full race engine.
but at the time, a dahon curve d3 cost £300...
Forum: Folding Bikes
04-28-24, 04:56 AM
Replies: 41
Views: 1,774
Posted By Fentuz

from discussion with dealer, the cracks tend to...

from discussion with dealer, the cracks tend to happen by the spoke nipples at the rim apex (stress raiser).

i also understand that these wheels were supplied in 2007 with (edit) stelvio and...
Forum: Folding Bikes
04-27-24, 11:05 AM
Replies: 41
Views: 1,774
Posted By Fentuz

contact urban 32-406 is the best tyre, i have had...

contact urban 32-406 is the best tyre, i have had on these rims for the last 5 years
Forum: Folding Bikes
04-27-24, 10:03 AM
Replies: 41
Views: 1,774
Posted By Fentuz

ch white who was the main dahon dealer and bought...

ch white who was the main dahon dealer and bought dahon europe stock when dahon europe went bust…
Forum: Folding Bikes
04-27-24, 07:01 AM
Replies: 41
Views: 1,774
Posted By Fentuz

just don’t. Per dahon dealer, the rims crack when...

just don’t. Per dahon dealer, the rims crack when fitted with tyres wider than 35mm and should not be over 90psi
Forum: Folding Bikes
04-27-24, 02:09 AM
Replies: 41
Views: 1,774
Posted By Fentuz

they are syntace stem clamps. 40mm but there are...

they are syntace stem clamps. 40mm but there are some rare 50mm available for specialist.

https://www.syntace.com/en_GB/products/stems/vro-system/204/vro-x-ray-25.4-clamps?c=79

the handle post...
Forum: Folding Bikes
04-27-24, 01:59 AM
Replies: 24
Views: 1,236
Posted By Fentuz

not sure about that, our helios d7 bought from...

not sure about that, our helios d7 bought from dahon uk main dealer was a freewheel.
that freewheel 7s wheelset is now on my mother dahon hammerhead which I built knowing that zero maintenance would...
Forum: Folding Bikes
04-27-24, 01:50 AM
Replies: 58
Views: 5,626
Posted By Fentuz

if you re handy, any old dahon (2nd hand) would...

if you re handy, any old dahon (2nd hand) would do. Then, you swap parts to your liking.
i had a curve which was ok for little commutes and once folded fitted in the elise… dahon curve = recovery...
Forum: Cyclocross and Gravelbiking (Recreational)
04-25-24, 02:54 AM
Replies: 36
Views: 2,650
Posted By Fentuz

yes they are, i race with them on lighter wheels

yes they are, i race with them on lighter wheels
Forum: Folding Bikes
04-24-24, 08:51 AM
Replies: 10
Views: 572
Posted By Fentuz

i am wondering if 2 adapter in series would work...

i am wondering if 2 adapter in series would work as it goes in between the frame and the roller
Forum: Cyclocross and Gravelbiking (Recreational)
04-24-24, 05:15 AM
Replies: 6
Views: 457
Posted By Fentuz

I would consider the tyre choice first then use...

I would consider the tyre choice first then use the wider rim you have.
then when it comes to freehub, it depends what cassette you have or want.

On my shimano hub, i run 11s slx 11-46 because...
Forum: Cyclocross and Gravelbiking (Recreational)
04-24-24, 04:44 AM
Replies: 36
Views: 2,650
Posted By Fentuz

For me it is all about comfort vs rolling...

For me it is all about comfort vs rolling resistance. I rode
35-622 panaracer sk slick
38-622 panaracer comet
45-622 schwalbe G one Bite
38-622 vitoria tereno mix
50-584 conti cross king...
Forum: Folding Bikes
04-24-24, 04:17 AM
Replies: 24
Views: 1,236
Posted By Fentuz

I doubt a trek dealer would do it. An independent...

I doubt a trek dealer would do it. An independent shop will.

now, i don t think the zizzo is a good donor because they are not disc brake based. a tern verge or a Fnhon would be better donor.

...
Forum: Folding Bikes
04-24-24, 03:07 AM
Replies: 10
Views: 572
Posted By Fentuz

I have an old cycleop magnus with the small wheel...

I have an old cycleop magnus with the small wheel adaptor

https://saris.com/products/magnus-smart-trainer
https://saris.com/products/20-24-wheel-adapter

not sure if there is a smaller wheel...
Forum: Folding Bikes
04-18-24, 03:44 AM
Replies: 21
Views: 1,435
Posted By Fentuz

have you had a chat with CH Whites in Malmesbury?...

have you had a chat with CH Whites in Malmesbury? They could advise.
they do custom build too.

Once you re set with a frame or donor bike, you can modify most things as 1x touring/endurance bike...
Forum: Folding Bikes
04-12-24, 03:24 AM
Replies: 12
Views: 930
Posted By Fentuz

I don't think so a it was for 26"/24"/27.5". It...

I don't think so a it was for 26"/24"/27.5". It is more a question on section and load on from tyre bead to rim and then how it rolls.
For Hill climb racing, I was looking into a set of kinetix comp...
Forum: Folding Bikes
04-07-24, 01:17 PM
Replies: 58
Views: 5,626
Posted By Fentuz

yes, after 5000 k, mine were not worn out however...

yes, after 5000 k, mine were not worn out however the side wall were very cracked. May be because i run them @50 psi on 32c.
i got the same with cross king 50-584 when I run them @ 20 psi or below
Forum: Folding Bikes
04-06-24, 05:00 AM
Replies: 57
Views: 4,079
Posted By Fentuz

again, not true, dahon hammerhead and dahon dash...

again, not true, dahon hammerhead and dahon dash x20 are lighter….
Forum: Folding Bikes
04-06-24, 04:49 AM
Replies: 58
Views: 5,626
Posted By Fentuz

Once again, more rubbish from sentinel…. ...

Once again, more rubbish from sentinel….


this black x11 has been properly modified by a roady. While some parts may be older than others, it is coherent and clean.
no crap all over the...
Forum: Folding Bikes
04-06-24, 03:37 AM
Replies: 57
Views: 4,079
Posted By Fentuz

Right, after poppycock, more balderdash…. Once...

Right, after poppycock, more balderdash…. Once again, you fail to acknowledge or even consider that the people you overtook on hills may be less fit than you and, if you ride all the time as you...
Forum: Folding Bikes
04-06-24, 02:51 AM
Replies: 155
Views: 11,660
Posted By Fentuz

I spent a bit of time on the shimano doc and...

I spent a bit of time on the shimano doc and noticed that the shimano zee and saint can be fitted the slx shadow link instead of down hill allowing for extra capacity 28 to 36 so as the std works...
Forum: Folding Bikes
04-05-24, 10:50 AM
Replies: 9
Views: 494
Posted By Fentuz

Do you unscrew the rear derailleur? I was told to...

Do you unscrew the rear derailleur? I was told to undo it and tape it to the frame to avoid bending the hanger
Forum: Folding Bikes
04-05-24, 04:47 AM
Replies: 57
Views: 4,079
Posted By Fentuz

So, last year, a mate and I challenged ourselves;...

So, last year, a mate and I challenged ourselves; we had to climb that rocky hill near Wotton Under Edge - 19% to 20% with a 90deg corner and on 650B 52mm wide tyres, with 36-46 ratio, I could not...
Forum: Folding Bikes
04-05-24, 04:14 AM
Replies: 52
Views: 3,350
Posted By Fentuz

What tube did you go for? I found that bontrager...

What tube did you go for? I found that bontrager seemed to be the only one supplying 20" tybe with 48mm presta valves....

And yes, I used to run 2x9 (39/53 x 11-25) because a long lime ago, it was...
Forum: Folding Bikes
04-05-24, 03:50 AM
Replies: 155
Views: 11,660
Posted By Fentuz

It seems that "downhill" MTB groupset are ideal...

It seems that "downhill" MTB groupset are ideal with 16"/ 20" bike. I do like my ZEEsetup
Forum: Folding Bikes
04-04-24, 02:52 AM
Replies: 45
Views: 2,277
Posted By Fentuz

I was talking ago Alfine 11 with local bike shop...

I was talking ago Alfine 11 with local bike shop and mechanic did not seem to be impressed with Alfine which seemed a little harder to setup and not as good (strong) as some with fewer ratios.

I...
Forum: Cyclocross and Gravelbiking (Recreational)
04-04-24, 12:29 AM
Replies: 14
Views: 932
Posted By Fentuz

looking at xtr pedal, their q factor is 52 or...

looking at xtr pedal, their q factor is 52 or 55mm
classic m520 are 51mm
garmin rally xc200 is 53mm (i have 2 mm washers so 55)
hope pedals are 55mm
crankset brother eggbeaters (not spd) are 52...
Forum: Cyclocross and Gravelbiking (Recreational)
04-03-24, 02:02 AM
Replies: 14
Views: 932
Posted By Fentuz

The SQ lab come with a 15mm "XL" offset so if you...

The SQ lab come with a 15mm "XL" offset so if you add a 2mm washer, you will get mors than your desired 16mm

https://www.sq-lab.com/en/area-of-use/mtb/sqlab-pedals-511.html
Forum: Folding Bikes
04-03-24, 01:09 AM
Replies: 111
Views: 49,558
Posted By Fentuz

Not at all. That was peak time. An elite cyclist...

Not at all. That was peak time. An elite cyclist would be able to hold those speeds for a while. I simply peaked at those numbers for a few seconds.[/QUOTE]


Your Honor, I rest my case…
Forum: Folding Bikes
04-02-24, 02:11 PM
Replies: 111
Views: 49,558
Posted By Fentuz

i know people who race in crit and are super fit...

i know people who race in crit and are super fit and capable to produce ftps over 350w and yet, on Swork or pinarello race bike and yet, on flat in summer without wind, they do 32 to 36mph. Again...
Forum: Folding Bikes
04-02-24, 08:14 AM
Replies: 111
Views: 49,558
Posted By Fentuz

on flat??? How did you record that? In...

on flat??? How did you record that?

In theory, a tern x11 with 52T chainring and 10T cog on 28-451 tyres is geared at 30mph @97rpm and that is without taking into account wind resistance and...
Forum: Folding Bikes
04-02-24, 02:40 AM
Replies: 61
Views: 7,875
Posted By Fentuz

The hinge pivot axle of my jetstream broke...

The hinge pivot axle of my jetstream broke because, I could not help myself and kept jumping curbs etc. and after 10years, it was well out of warranty.
A subcontractor of mine did me a favor a...
Forum: Folding Bikes
04-02-24, 12:52 AM
Replies: 61
Views: 7,875
Posted By Fentuz

yes, the line is a good patch to add mechanical...

yes, the line is a good patch to add mechanical integrity but still a “add on”.

ultimately, with the given set of “design input”, easy foldability and weight were more important than rigidity...
Forum: Folding Bikes
04-02-24, 12:13 AM
Replies: 19
Views: 4,722
Posted By Fentuz

130. with a “normal chainring”, a gravel bike...

130. with a “normal chainring”, a gravel bike chain would do as chainstay are similar length
Forum: Folding Bikes
04-01-24, 01:47 PM
Replies: 61
Views: 7,875
Posted By Fentuz

10 years ago tern was known for frame cracking...

10 years ago tern was known for frame cracking due to poor weld and heat affected zone. Admittedly dahon Mu SL had similar issues but in smaller proportions.

ultimately the curved frame design...
Forum: Folding Bikes
04-01-24, 10:16 AM
Replies: 19
Views: 4,722
Posted By Fentuz

normal road bike speed. If you consider a 700c...

normal road bike speed. If you consider a 700c wheel with 33mm tyre is ~ 28” and the 406 with 35mm tyre is 20”, the ratio is 1.4 so 69T/1.4 is ~49T so it makes it pretty much the same as a 700c bike...
Forum: Folding Bikes
04-01-24, 08:45 AM
Replies: 19
Views: 4,722
Posted By Fentuz

Not long ago, i broke the derailleur hanger...

Not long ago, i broke the derailleur hanger (second one this winter) and the sora derailleur so I put a m310 which I had spare.
i found that the chain kept dropping as the wide range cassette with...
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