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Messages - ecm

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I have one LEOSEEK now, and I can say that piece it's very honest for the price. Very impressed, and really loved the USB-C interface. No need expensive cable.

Setup: Prowheel crank set + Leoseek + Stone Chainring
Paired with XOSS NAV +


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04. SEATPOST - Saddle bolt not well fitted

It’s not entirely about the frame itself, but gravel bike geometries can be a bit unconventional(weird!). Compared to a traditional road bike, the seat tube on many gravel frames tends to have a steeper angle.

I went with an RXL carbon seatpost, and after installing it, I noticed that the front and rear bolts were right at the edge of their threading. Barely enough to keep the saddle level. But it's not safe!

My first thought was: I need better-fitting bolts. But it’s not as straightforward as swapping them out. There are a few key measurements to keep in mind:
Head Height: 6mm (M6 in this case)
Head Diameter: 10mm (to keep the full engagement in the mounting point)
Thread Pitch: 1.0mm (you might need a special caliper to measure this accurately if not standard)
Wrench Size: 5mm Allen key

I ended up choosing Wanyifa titanium bolts, which are impressively well-made. I ordered two different lengths:
 - 45mm for the rear clamp – 10mm longer than the original
 - 30mm for the front clamp – 5mm shorter than the original

Now everything fits perfectly and works fine!


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INTEGRATED HANDLEBAR - Fitment Issue (and Solution)

The integrated handlebar set didn’t align perfectly with the compression ring, which caused complications during final assembly.
The only step left was adjusting the cockpit: specifically, tightening the stem bolts and the compression plug bolt.

As the fork spacers began to snug together, I noticed the handlebar movement became extremely stiff (almost locked)... and yet there was still noticeable play in the fork. At one point, I managed to eliminate the fork play entirely, but the handlebar was nearly immobile.

I opted not to use the original dust cap from the frame due to incompatibility with the integrated handlebar. Instead, I used a handlebar and fork spacer set from RXL to maintain compatibility.
Upon inspecting the RXL dust cap washer, I found that the contact point between the compression ring and the RXL dust cap was deeper than the original: a gap of 1.3 mm was missing.

The Fix
The solution was simple, though not immediately obvious: I installed washers between the RXL dust cap and the compression ring. I purchased a set of RISK washers (28.6 x 34 mm), which included six pieces of varying thicknesses.
In my case, I only needed 1.0 mm + 0.3 mm to bridge the gap.

Final Thoughts
Working with an integrated handlebar setup can be frustrating (it's a hell!), especially after everything seems assembled. But in the end, this adjustment resolved the issue.

The cockpit is now tight and play-free, and the handlebar moves smoothly and effortlessly.

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JUIN TECH GT - Hybrid Brake Caliper Surprises

My first hiccup with the JUIN TECH setup came right out of the box. Since this G69 frame is designed for 160mm disc rotors, I naturally bought a pair of 160mm rotors (duh!).
But during assembly, I noticed something weird: the brake pads weren’t fully engaging with the rotors. WTF?!?!

After digging around online, I discovered something unexpected: with JUIN TECH hybrid calipers, you must size up your rotors. WTF?!?!?  :o
There’s no way to run 140mm rotors with them. Here's the deal:
 - If your frame’s minimum rotor size is 140mm, you need to run 160mm rotors with JUIN TECH.
 - If your frame’s minimum is 160mm, go with 180mm rotors.

So, to fix the issue, I went with 180mm rotors. Yeah, they felt oversized at first, but to my surprise, they performed brilliantly on the initial rides according with my weight. I'm not a light rider (100 Kg)
The braking power is solid when you need it, and the modulation is way better than what I’ve experienced with full hydraulic brakes.


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Road Bike Frames, Wheels & Components / Spcycle SP-G069 - Home made build
« on: September 14, 2025, 09:14:10 AM »
Hey everyone!

I'd like to share my experience building my latest bike: Spcycle SP-G069.
https://www.sp-cycle.com/spcycle-2025-new-g069-carbon-gravel-bike-frame-full-hidden-cable-udh-hanger-aero-carbon-gravel-bicycle-frameset-p5858054.html

First of all, I'm not a professional bike mechanic, but I've built 3 bikes at home before, so I've picked up a few things along the way:
01. Endurance Road Bike – My first road build, used mainly for training. I call it MARK #1, and honestly, I might never part with it.
 - Full alloy; Home made wheel with Shimano Hubs and tires 700x28; Groupset Sensah Empire 2x11
02. Aero Road Bike – The incredible Trifox X-8. It's lightning-fast on flat terrain and featherlight for mountain climbs. Perfect for long rides over 150 km. I absolutely love it.
 - Full carbon; Home made wheel with Shimano Hubs and tires 700x25; Groupset Sensah Empire 2x11
03. Fat Bike – My go-to for snowy winters here in Quebec. I really hate indor training...

This new project was pretty straightforward/rational:
 - I chose a gravel frame for versatility. The plan is to run two wheelsets: one for road (700x28c), one for gravel (700x47c).
 - I went with a mechanical groupset, the Sensah Empire 2x11. It's affordable, reliable, and suits my needs perfectly. No need electronic groupset, etc.
 - Use some spare parts, like JUIN TECH brake calippers, chain, cassette, etc.

Overall time spend:
 - 7 days to plan the build and make a budget. After all start to buy the parts. It's pretty hard to check all correlations between those parts.
 - 3 days to build the road wheelset. Sealed bearing was out of question. I prefer Shimano hubs Cup and Cone + pillar spokes (triple butted)
 - 14 days to assembly the bike

My goal is to share some insights from the build process, especially since a few steps were quite unusual and might help others venturing into similar DIY builds.

Overall, I've read some issues related with this frames like: Poor of paint, brake point mount not so well finished, etc. In my case: Zero issues with the frame.

I've got XS frame size. It's sound weird because all my frames where size M or 54. But in the end of the day, the most important it's keep the measures with you body.
This Spcycle XS size it's almost the same as Trifox X-8 M(54) size. Works fine for me: 1.78 cm height (100 kg weight aprox).

Soon I'll come with some news



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So far, my G069 has been working well—no problems with the brake mounts, paint, or anything else. in my case I've bought this G069 to use as 2 in 1 bike (road + gravel). Works very well in both cases.

As for reliability, nothing is ever 100% guaranteed. For example, my neighbor recently bought a new Toyota RAV4, and after chatting with some experienced mechanics, they mentioned that the latest generation of engines has a known issue with oil leaking from the side cover of the chain valve trim. There hasn’t been a recall for it. In other words, even Toyota can’t promise flawless quality.

At the end of the day, every purchase carries some risk.

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Road Bike Frames, Wheels & Components / Re: Best TPU tube brand
« on: September 06, 2025, 08:06:16 AM »
I've decided to give a second chance for those TPU inner tubes, and for my surprise I've found a good one: OFFBONDAGE (Purple)

Riding some hundreds KM in ROAD (700x28c and 700x25c) and GRAVEL(700x47c), this TPU it's very good. A little heavier than others brands, but less valve leaks and replaceable air core.

If the price hurts a little bit, my second choice would be X-Tiger (green).

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Tideacebike
BB with T47 seems to be real good.

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Component Deals & Selection / Re: Pillar Tb2015 spokes
« on: June 25, 2025, 08:59:18 AM »
I forgot to mention that a good NIPPLE it's a game changer.

Look at this picture the difference between a cheap vs a Pillar nipple. Both are brass.


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Component Deals & Selection / Re: Pillar Tb2015 spokes
« on: June 23, 2025, 09:23:10 AM »
Hey guys anyone got experience with Pillar Tb2015 spokes? I wonder if it's worth upgrading to 1420 wing on a gravel wheelset.

I've been using this Pillar Spokes J-Bend TB2015 PSR Triple Butted since 2021. For my 3 bikes (Endurance, Road and Gravel). More than 10 000 Km combined and ZERO issues.

The last one was for my gravel wheelset. The major reason to not buy a pair from any store it's the HUB. I don't like sealed bearings HUB. Always using cup and cone from Shimano OEM.

Total cost: +- 350 USD (pair)





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Component Deals & Selection / Re: XOSS XR PRO - Tail Light
« on: June 22, 2025, 09:31:01 AM »
XOSS official in AliExpress store

https://www.aliexpress.com/store/2231140

The brake detection works very well. My friends in the peloton are impressive too.

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Component Deals & Selection / XOSS XR PRO - Tail Light
« on: June 21, 2025, 09:43:27 AM »
Checking some options for tail light for long rides (more than 100 km and 5 hr), I found this XOSS XR PRO. After some tests, works fine and the battery last for a long time, but seems it's not made for AERO seat tube. A well designed rubber could solve this easily.

Others AERO solutions are too much expensive (more than $ 50 USD), then I decide to go ahead with this XOSS XR PRO and make some smart :P solution to install the tail light support.

If you asking me to install under the seat with the other support (included), the answer is NO WAY! I need to carry my tools.



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Road Bike Frames, Wheels & Components / Re: Best TPU tube brand
« on: April 16, 2025, 06:11:52 AM »
In my experience, the problem with 99% of TPU inner tube is the valve, ever!

Too much leaking, no matter the brand.

In order to compare, I've tested against CONTITUBE butyl (Continental) and the valve it's infinitely better than all TPU brand that I've tested.

Example:
 - TPU 90 PSI --> After 5 days they lose +- 10 PSI
 - Contitube 90 PSI --> After 14 days they lose +- 5 PSI

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Road Bike Frames, Wheels & Components / Re: Stone 2x Chainrings?
« on: March 07, 2025, 10:14:33 AM »
Looking for good aluminum 2x chainrings (50/34). Ideally 110BCD/5 bolt and under $80. I was looking at Stone, and Bucklos (although I prefer all back) but I was wondering if anyone else had any recommendations? Kinda hoping for the weight to be around 150g or less.

I've been using STONE chainrings in my 2 road bikes since 2023.
In my case, STONE (110BCD/5 bolt) with Prowheel crank (5 claws):
- 1st Setup 46-30 + cassette 11-32 (Sensah Empire groupset) - For my Alloy endurance road bike, even some light gravel roads. Maybe you ask me: Why 46-30???? 95% of the time I'm riding alone; My cadence is higher than average; High elevations and rough terrain. BONUS: There's no issues to ride with my friends in peloton higher than 38 Km/h average. Barely using 11 cog. More than 6.000 Km used, and works fine.
- 2nd Setup 48-33 + cassette 11-32 (Sensah Empire groupset) - For my Trifox X8. Using this only on road and smooth surfaces. For long rides (150 Km and more). The gear ratio for me it's PERFECT! Again, barely using those small cogs (11 and 12/13).

Note that for me, I don't care about weight. Only reliability.
I hope I'm helped you.

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