Author Topic: Hongfu HF-FM058 w/ Scott Spark Geo  (Read 2043 times)

circoloco

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Hongfu HF-FM058 w/ Scott Spark Geo
« on: September 20, 2017, 02:45:59 AM »
As the beautiful lcfs911 frame (which looks exactly like the Scott Spark, but with a different head tube angle and 10mm longer chainstays) is not available in XL
just got word from Yishuns sister company - no XL version available :(

I'm now looking at the Hongfu HF-FM058 which clones the Scott Spark geometry, but not it's looks:
http://www.hongfu-bikes.com/html_Products/Mountain_Frame/650B_29ER_Plus_Frame/2017/0622/482.html



What do you think? 435mm chain stays sounds great, weight (1750+/-40g) is really low (too low?). Is the 69° HT angle still fashionable in 2018? BB92 will make me buy yet another pair of cranks. Plus, it says 21" is available, but they only sell 15, 17 and 19" on aliexpress. I'll find out.



mercenary

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Re: Hongfu HF-FM058 w/ Scott Spark Geo
« Reply #1 on: September 20, 2017, 04:31:12 AM »
I really like the frame....

maybe run a 120mm front suspension and you will get a slacker HA? that is what I was planning. Aliexpress rep for TanTan cycling said 1 month for this frame.

It comes with a boost and non boost triangle.

I am worried which cranks to run with the boost triangle, but keen to run a bike which can have 27.5+ and 29er tyres.




circoloco

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Re: Hongfu HF-FM058 w/ Scott Spark Geo
« Reply #2 on: September 20, 2017, 04:54:42 AM »
Me too. 120mm Fork could be a solution for more slack, BB drop is 50mm so this should still be fine, 20mm in the front will only result in 8-10mm reduced BB drop.
Which rear shock size would you choose - 165*38mm or 190*44mm? What's more common, are there pros and cons?
Did TanTan say you can use 27.5 and 29 on the same frame? They listed those as two different frame options on their site.

mercenary

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Re: Hongfu HF-FM058 w/ Scott Spark Geo
« Reply #3 on: September 20, 2017, 05:19:49 AM »
I think the dual shock stuff is a mistake in the marketing material, I dont know how it can fit both.

TanTan didnt say you can use both wheels on the same frame, but the only difference between the two models appears to be the rear triangle width. In this case it makes sense going with the boost and running both 27.5 and 29er on a wider hub.

http://www.tantancycling.com/index.php?_m=mod_product&_a=view&p_id=567

http://www.tantancycling.com/index.php?_m=mod_product&_a=view&p_id=568


circoloco

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Re: Hongfu HF-FM058 w/ Scott Spark Geo
« Reply #4 on: September 20, 2017, 06:09:54 AM »
So you think the different parameters in wheelbase or reach result from the wheel sizes? But why on earth is the 650b version *longer* than the 29er? TT and Chainstay are identical...


mercenary

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Re: Hongfu HF-FM058 w/ Scott Spark Geo
« Reply #5 on: September 20, 2017, 07:45:44 AM »
mmm... I didnt see those differences but I would still choose the 27.5+ with the longer wheel base and I am sure it could run 29" tyres.

someone has to bite the bullet :)

lets try get Lisa online to explain :)

circoloco

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Re: Hongfu HF-FM058 w/ Scott Spark Geo
« Reply #6 on: September 20, 2017, 10:30:52 AM »
Absolutely  ;)
I wrote HF an email this morning with a couple of questions, boost and non-boost as well. Let’s see how they explain everything. I don’t think they use different main frames for 650b and 29, just the rear triangle.

lRaphl

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Re: Hongfu HF-FM058 w/ Scott Spark Geo
« Reply #7 on: September 20, 2017, 01:32:03 PM »
This frame look perfect except for one thing....2.2 MAX tire width. I can live with a BB92 instead of BSA but such a narow tire width isn't appealing at all.

mercenary

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Re: Hongfu HF-FM058 w/ Scott Spark Geo
« Reply #8 on: September 20, 2017, 01:33:55 PM »
Hoping the boost rear will run something bigger

seraphbike

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Re: Hongfu HF-FM058 w/ Scott Spark Geo
« Reply #9 on: September 20, 2017, 08:36:52 PM »
hello guys , this is lisa . come from tantan factory .  we have many new frame mould . we also have FM078 and FM058 Frame . good quality . good service .
this is our website: www.tantancycling.com
my email: info@tantancycling.com 
skype: lisa-cycle .

circoloco

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Re: Hongfu HF-FM058 w/ Scott Spark Geo
« Reply #10 on: September 20, 2017, 11:49:23 PM »
Thanks Lisa, but we’re looking for lightweight full suspension frames, not cyclocross or 650b hardtail.

@everybody else: I got an answer from hongfu - no XL/21“ version either :((((

sclyde2

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Re: Hongfu HF-FM058 w/ Scott Spark Geo
« Reply #11 on: December 21, 2017, 06:51:11 PM »
So, has anyone on here got one of these frames?  I can't seem to find anyone on here with one.

It seems like some people have been scared off by the rear tyre clearance, but it might be not as much an issue as first thought.

for potential M06 owners, why would you go the M06 over the FM058, when you are after a XC race bike, and don't need boost rear spacing?

the overall geometry seems about the same (similar chainstay, 68.5vs69HA), but the FM058 seems a bit lighter.

I recently came across that french light bikes forum, and there are a few now with the FM058.  One even has switched to a FM058 from a M06, but google translate is not making it clear to me what the reasons were for the switch.  and it seems that 2.25 tyres fit, which is enough for me.  now, they have an "SL" version (T800 carbon), which one guy has received and weighed to be just on 1700g (15.5", no shock or shock bolts).

any reason why so little FM058 love on here?  is the M06 just getting more attention from XC racers because it has been around longer?

Klaster_1

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Re: Hongfu HF-FM058 w/ Scott Spark Geo
« Reply #12 on: December 25, 2017, 03:46:54 AM »
is the M06 just getting more attention from XC racers because it has been around longer?
Most likely this, a year ago almost nobody here had any experience with either of frames. If I knew FM058 was ~300g lighter, I'd go that route instead of M06. If fly/sky weight rims are any indication, we might see even lighter frames in several years, on par with high end brand frames, like what happened with MTB rims. Here's a quote from conversations with Carbonbycicle.cc to prove the point, it's about road rims but I'm sure it's a sign of a bigger trend:
Quote
Yes, more Windweight road rims could appear in the near future, we think.We have to develop the technology into different rims step by step. That needs a lot of energy and investment for lay-up designs and testing.MTB rim's world market was expanding much faster than Road rim's. So, most Chinese manufacturers chose MTB rim first, for weight evaluation work.
We'll tell you that, someday when we have the windweight you want on road rims.
« Last Edit: December 25, 2017, 03:51:51 AM by Klaster_1 »

Le Duke

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Re: Hongfu HF-FM058 w/ Scott Spark Geo
« Reply #13 on: December 25, 2017, 10:41:28 PM »
Thanks Lisa, but we’re looking for lightweight full suspension frames, not cyclocross or 650b hardtail.

@everybody else: I got an answer from hongfu - no XL/21“ version either :((((

If you're going to respond to Lisa/TanTan, you should at least check out their site and realize that they make a <2000g Scott Spark replica.

Klaster_1

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Re: Hongfu HF-FM058 w/ Scott Spark Geo
« Reply #14 on: December 29, 2017, 03:16:03 AM »
If anyone's interested, I've asked Hongfu about 19" FM-058: the price is 650USD and weight is in 1800±40g range.