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1
29er / Re: Another Hongfu FM358 build
« on: July 27, 2026, 04:04:51 PM »
Nice decals. Good luck with your build. I’m also a happy rider with this frame!

For an 160mm disc rear you need a flat mount to post mount adapter.
On the front for a 180mm disc you problay also need an adapter.
I’m using two 4 piston brakes. Bought them at:
https://www.bike24.nl/producten/379981

For the rear shock I bought these products: purchase two of these packages and use the widest bushings for the front.
RockShox Rear Shock Mounting Hardware 3-Piece 1/2" for Imperial &
Metric Shocks - 8mm - 8 x 30,0 mm. (2pcs)
The are delivered with assummetric size bushings.

For the rear side, you can use:
RockShox Rear Shock Mounting Hardware 3-Piece 1/2" for Imperial &
Metric Shocks - 8mm - 8 x 16.0 mm (1pc)

I use it with: ROCKSHOX SIDLUXE ULTIMATE 3P SOLO AIR REMOTE SHOCK 210x50.

First real snag.    It’s been more than 10 years since I have completed a build.   There are now more "standards" in bike parts to match up.   

I bought a set of XT 8100 2 piston brakes in advance of the frame arrival.  It looks like I have the wrong  setup for this frame.  A few questions. 

1.   I think I have a post mount caliper.    Can someone confirm?
2.  I think I need a flat mount caliper.   Seems like these are road/gravel type.
3.   Looks like I need an XT 8110 caliper to mount to the frame
 4.   Do I also need an adapter for 180mm rotors?  Or downgrade to 160mm? 


Thanks in advance.

2
29er / Re: Hongfu FM358 build
« on: July 04, 2026, 03:53:25 PM »
Simply purchase two of these packages and use the widest bushings for the front.
RockShox Rear Shock Mounting Hardware 3-Piece 1/2" for Imperial &
Metric Shocks - 8mm - 8 x 30,0 mm. (2pcs)
The are delivered with assummetric size bushings.

For the rear side, you can use:
RockShox Rear Shock Mounting Hardware 3-Piece 1/2" for Imperial &
Metric Shocks - 8mm - 8 x 16.0 mm (1pc)

I use it with:
ROCKSHOX SIDLUXE ULTIMATE 3P SOLO AIR REMOTE SHOCK 210x50.

3
29er / Re: Hongfu FM358 XC 120mm frame
« on: April 20, 2026, 06:52:23 AM »
I conquered the Croatian rocks 🛘 and gravel on this bike during an Epic series event.  The conditions were perfect and I handled the rocks and stones incredibly well. I’m really pleased with the quality of the frame and the overall result.

4
29er / Re: Hongfu FM358 XC 120mm frame
« on: April 05, 2026, 04:28:31 PM »
I’ve cycled almost 1000km with the frame and it’s holding up incredibly well. I’m very happy with it. Next week I’ll race with it for five days to see how it performs.

5
29er / Re: Hongfu FM358 XC 120mm frame
« on: April 05, 2026, 04:21:29 PM »
Hi. Has anyone tested the suspension at full travel? It looks like a design flaw. The suspension mounting parts touch each other at about 70% of the travel and become damaged. The frame suspension stops there. Im using SIDLuxe 210x50 shock.
I emailed Zoe from HongFu about this issue.
Yes, I share the same experience. Hongfu is sending me optimised aluminium linkages.

6
29er / Re: Hongfu FM358 build
« on: December 22, 2025, 01:21:41 PM »
The first test ride was successful. Some optimizations are still needed, including the cables at the front.

7
29er / Re: Hongfu FM358 build
« on: December 22, 2025, 01:01:08 PM »
A couple more things to do but getting close. Need to research more on dripper post, not pleased with how I did it, and rear shock to be cabled.
Also the alignment of the chainring is not good, needs to be moved inboard by 3mm I think to have it aligned with middle of cassette.
All front end will also need to come apart to add a 0.5mm spacer to eliminate rubbing and allow better headset compression…

You must disassemble the cable mount or holder on the rear shock, and then you can rotate the cable holder onto the outer cable.

8
29er / Re: Hongfu FM358 build
« on: December 16, 2025, 02:07:38 PM »
I recently bought a 36.4mm seatpost clamp. Because I’m planning to ride with Christmas. 😀

9
29er / Re: Hongfu FM358 build
« on: December 16, 2025, 03:05:41 AM »
Got it!
Brake hose was run from wheel to head tube
Shifter cable house was introduced by the front of the rear triangle (from the opposite side from the hole) and pushed to the derailleur exit (fished it with a pic), pulled almost all the way in the rear triangle and then pushed back to the front guiding it in the front triangle with pliers

Not a whole lot of fun on that one but it’s done

When you swing the rear triangle up, it gives you extra room at the bottom bracket area to route the cables into the rear triangle.

Saddle clamp check tip. I received a 35mm clamp from Hongfu while the opening in the frame is 36.5 mm.

10
29er / Re: Hongfu FM358 build
« on: December 13, 2025, 07:58:00 AM »
For me, the solution is simple and inexpensive. I acquired a second M8X30mm.  They’re always packed asymmetrically.

11
29er / Re: Spcycle M09 new hardtail 29er MTB frame
« on: December 11, 2025, 03:17:44 PM »
is there a way to mount 44, 46 or 48t chainring using offset? Im desperately looking for a gravel bike that can fir 2.25 tires and ideally 48 or 46t chainring

See the dropbar mtb gravelracer which I’ve build. I used the single speed narrow wide 48t front chainring and 10-51 12speed cassette.

Currrently I’m riding this bike with the same rims for gravel
rides. And use the tyres Schwalbe Thunder Burt Addix Speed Super Ground TLE 29 inch
57 mm / 2.25 inch with low pressure. It’s very comfortable and rides fast.

https://chinertown.com/index.php/topic,4623.msg74464.html#msg74464

13
29er / Re: Hongfu FM358 build
« on: November 27, 2025, 12:41:40 PM »
Could only find one, the acros…

The frame comes with a complete Acros headset.

14
29er / Re: Hongfu FM358 build
« on: November 27, 2025, 12:38:52 PM »
The bushing on the yoke seems to be proprietary to canyon, 16.8mm long, couldn’t find it
Hi, I’ve bought Rockshox 1x M8x30 for the front and 1x M8x16mm for the rear. I’ve filed the rear gap with stainless steel shims of 0.2mm (four shims) as shown in this link: https://www.bike24.com/p2497120.html

At the front, the rings aren’t symmetrical and vary in thickness. Perhaps they were incorrectly packed? See the pictures.

I’m using it with the ROCKSHOX SIDLUXE ULTIMATE 3P SOLO AIR REMOTE SHOCK 210x50.

15
Hi, have you seen this topic? See my post about the beach and gravel racer.
https://chinertown.com/index.php/topic,4623.0.html

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