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Re: After the ride... or should i say after the catastrophic flood Sorry to hear about your loss. I'm glad the family is okay and you are able to push forward. I wish you the best of luck in your recovery efforts.

I have a small carbon hardtail frame for 27.5 inch wheels that I would be happy to donate to one of your daughters if we can figure out how to get it to you. I wish I had a complete bike to offer but it's just the frame at this point. Here is the build I did with it. I'm in the United States so I assume your country would try to impose some import taxes. If it helps, I will be in northern Italy (town of Cannobio) for two weeks in October and I could bring it with me.

https://chinertown.com/index.php/topic,1343.0.html
August 14, 2023, 11:06:13 AM 		1
Re: Welcome to Chinertown - Introduce Yourself! Hi everyone!

I'm Fernando from Spain and I just join the forum so let me introduce myself. Before, I was a triathlete, and now I'm a duathlete. I have no connection with MTB. However, I'm fortunate to have two children who love cycling, but due to their young age, I can't take them with me on the road yet. That's the main reason to go into MTB

I don't intend to do MTB without them and considering the current prices of Western brands, I'm going to build my own bike with Chinese components.

I'll read everything I can and then I'll start asking a lot of questions, so I apologize in advance :).
September 03, 2023, 12:53:47 PM 		1
Re: Welcome to Chinertown - Introduce Yourself! Hello!
I joined after lurking for a few days reading about all the different companies making open mold frames.

Im interested in something fairly specific.  Currently have a Trek Top Fuel 7 (aluminum) and its fairly heavy (by my standards).  I started riding in my youth around 30 years ago, and by the late 90s was really into XC racing on a hardtail that weighed around 21 lbs.  I pretty much stopped riding for 20 years and picked up again in 2022 and wasnt in very good shape.  I got the Trek and got back to work training and getting faster.  It of course feels pretty heavy but ive put carbon rims on it and dropped some weight off it in a few places.  As I train for races I want to reward myself for the work im doing and so im looking for a frame with similar geometry - 120mm travel but with the right shock size to get a remote lockout on it (the Trek uses 185x50 shock which isnt available from fox or RS with a lockout).  Ive compared all the major brands, I do like transition spur and fezzari signal peak, with the fezzari frame being the cheaper option.  Then I started looking at open mold frames.

Heres what im looking for:
120mm travel (might consider 110-115) because outside of racing i do ride some good trails
shock size that allows for remote lockout (cable routing for remote lockout a plus)
BSA bottom bracket (preferred over press fit - Ive never had a pressfit but it sounds like a nightmare on cheap frames with creaking etc.)
66-67 deg head angle - again outside of racing I do some aggressive trail riding

Bonus points for being made of better materials (blend of T800 and T1000 better than T700?)
Bonus points for having ISCG-05 mounts (although not a dealbreaker because I dont currently use them)
160mm disc size is fine

Here is a list of some that seem to meet my needs:
Miracle FS822 - seems new, Head angle a little steep but seems to be due to short fork length - my current favorite no idea of price or color options yet
Lexon Flyer (ebay) seems like the same as the miracle (they use a more realistic fork length and get 66.4 head angle) but ebay only has 2 color schemes and I dont want the decals.
SP cycle SPM861 - not sure about the cable routing in the headset or if it has routing for the remote lockout (doesnt look like it)
Workswell WCB-M-364 - not much info on it - looks like you can spec a BSA bb but its also a vertical shock 185x55
BXT-MTB-147 (ebay) - looks nice except 69 deg head angle - I guess I could use an offset headset and slacken it a little but thats more work.
Carbonda FM1001 - more travel than I need unless I use 185x50 which put me back to no remote lockout, I suppose its possible to go longer travel with a lockout (185x55)

Am I missing any companies?  Winowsports and DIYcarbonbikes are pressfit BB.  Airwolf YFM059 doesnt have enough travel for my taste. 
November 01, 2023, 12:00:22 PM 		1
Re: Welcome to Chinertown - Introduce Yourself! Hi. I’ve been lurking for a bit. Starting to do a little posting now.
November 06, 2023, 08:21:27 PM 		1
Re: Welcome to Chinertown - Introduce Yourself! Hello, I come from a planet quite far from your earth. Sometimes I come back to my second home which is located near “the hell of the North”. Expression which designates “Paris-Roubaix”. Well, I'll leave you, I'm going back to my planet. There, changing gears on the bikes is done mentally, what progress.
November 07, 2023, 12:47:47 AM 		1
Re: Chinese Carbon 29er Pic Thread. There has been some bikes built. Me, my wife and my son has been  upgraded quite a few times. ;D During the pandemic it was easy to sell a used bike so I could build a bike, ride it for a couple of months and sell it for component costs. Now things have changed, its very hard to sell a home built bike so I have  to many bikes and therefore no space for more builds  >:(

But I am looking forward to the new LCFS948 frame, moste likely  I can not resist to build one.
December 02, 2023, 12:28:52 AM 		1
Re: Yishun R086-D Aero Road After 11 rides logging 650mi/1050km with 36 hours in the saddle...I can confidently and enthusiastically say THIS FRAME RIPS!

Rider Stats
Height: 175cm
Weight: 70kg
Inseam: 80cm
Saddle Height: 69cm

Bike Build
Frame: Yishun R086D 50cm (I normally ride a 54cm)
Cockpit: Yishun HB058 40cm Handlebars / ST062 130mm Stem (no spacers)
Components: SRAM Force AXS Hydraulic 48 x 10/28
Wheels: Elitewheels Drive 50D
Tires: Panaracer Agilest TLR 30mm with Muc-off sealant
Total Weight w/ Pedals: 7.7kg / 17lbs

Why the R086D?
As a road/crit/gravel racer, CdA is very important to me.  The vast majority of drag comes from our own body and let's be honest, modern road bikes have long since reached peak efficiency.  My parameters in order of importance: (1) geometry, (2) fit and finish, (3) looks, and (4) affordability/sustainability.

(1), (4), and mostly (3) are knowable prior to purchase. A quick note on (4), I race a lot of crits so spending top $$$$ on a brand name is a value proposition my psyche couldn't handle. As mentioned, modern layups have come a long way. We're in an era of diminishing returns.

When it comes to speed, an aero optimized position is the 2nd-most important facet and the R086's geometry is exactly what I was looking for. Many feel it's too aggressive and that may be true for the majority of riders but there are many that *do desire* to perform well on fast group rides or sportives. Marc Graveline, inventor/founder of one of worlds first aerometers cited an average 22 watt savings to an aero-optimized rider. The speed is there if you want it.

I logged rides of 4:28, 3:04, 6:06, 3:19, 8:24, and 4:09 hours over rough desert roads in New Mexico, USA and despite having back issues from a crash in October the R086D came through with flying colors in terms of comfort. I also did a 1:38 smashfest in a 3-man breakaway with most the time in the drops with no pain or discomfort (other than lactate).

Some footage to get a sense of geometry...

Hoods:



Drops:



I love its looks, the black matte finish is both fantastic and resilient. It's been suggested as an analog to the Canyon Aeroad but I think it also bears resemblance to a Pinarello. I was convinced someone else on this past Sunday's group ride had a Yishun and it was only after a meet-n-greet at a rest step did I determine it was actually a Pinarello (F or Dogma, not sure)...same matte finish (w/ black lettering), same speed-sniffer and flare at the top of the downtube.

Referring back to my parameters, we're left with - and let's face it, the elephant in the room when you're dealing with brands based in Xiamen (2) fit and finish. I'm happy to report the unit I received was flawless (wish I could say the same for the wheels). Caveats below notwithstanding, this bike was a pleasure to build. In fact, I was pleasantly surprised to find a friction-free headset cap without the need of a 0.25mm micro-shim that several had suggested in this thread.

Things to know:
1) Torque guess is as good as mine...
Don't bother looking for instructions in the box because there aren't any.  As other's have noted, only a few items have torque specs stamped on them but Dark17 was kind enough to reach out to Elitewheels to get some general guidelines. From there, it's a bit of trial and error. I initially set the seat post bolt to 9Nm only to have it slide but 11Nm did the trick. Similar issue with the handlebar clamp bolts.

And while I went ahead and stuck caps (A) into the rear/front derailleur and Di2 holes, I still have no idea what B and C were intended for.


2) Go Long!
The rear disc brake flat mount requires not 27mm...not 32mm...but 37mm bolts. I had to order a set and wait a few days.

3) Keep your head(set) straight
I had forgotten to apply carbon paste to the steerer tube so the headset/cable routing cap started skewing left.  While away from home for 2 weeks, I stuck in a rubber gasket for the time being and that did the trick until I could get home and apply the proper fix.  WARNING: Avoid the urge to over-torque if this happens to you. Apply paste, tighten the compression plug to around 6Nm, remove slack then tighten the clamp bolts to 6Nm and you should be fine.


4) Braze On, Braze Off
I made the silly mistake of assuming the braze on bolts were properly torqued from the factory and spent a good hour trying to figure out why my chain kept dropping.

Thank you to the many in this forum who bring awareness to the largely under-appreciated products that come out of the Red Dragon. Special shoutout to Patty who produces wonderful content and helps us all make informed decisions!

Edit 1/10/24 - Rehosted some images
January 10, 2024, 12:02:12 AM 		1