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Magene P325 CS - First Impressions I really wanted a power meter for my bike, but did not want to pay the normal rates for the a dual-sided meter
Noticed the Magene P325CS was a dual meter option for a reasonable price, so I pulled the trigger.

I think it retails for about $450/$550 CAD, but I picked mine up for about $350 CAD.  I got a standard 53/39, with 170mm cranks.

Packaging:
It comes in a pretty box, and is well-packaged.  Left crank is packaged in a separate box within, and the crank set protectected with a custom-cut piece of packing foam.
Includes: Chainrings, Cranks, magnetic charging cable, instructions

Build:
Everything looks well-machined.  Smooth, with no burrs.  All parts fit perfectly. 
The cranks are hollowed with 3-holes, 2 of which are visible.  Anodization does not run the length of the holes, and stops about an inch in
They are a bit chunky at 775 grams.
The power meters are rechargeable, and come with a charging cable that magnetically sticks to the charging ports on either crank
There are reports of chainring flex under sprinting conditions, but I cannot comment as I swapped out the rings for 1X.
The spider LOOKs like a direct-mount SRAM 8-bolt AXS interface, but it is not.  The SRAM 8-bolt interface has one shorter spline.  This means that if you switch chainrings, you will need to take a round file to one of the splines to get it to fit on the cranks.  (I had to do this with my Stone AXS-to-5-Bolt Adapter)
Note: If you want to switch out the chainrings, you will need to get one that allows access to the drive-side charging port.

Installation:
As easy as can be.  Fits standard BB road shell width, with 24mm crank shaft. 
Slide through BB, pre-load with 10mm hex bolt, tighten left-side pinch bolts.  done

Accuracy:
Can't speak to this, as this is my first power meter.  GP Lama reviewed, and it is not as accurate as he would like.  This was also looked at by Ronald Kuba, and to a lesser degree Charles Ouimet. 
Both of them believe it is fit for purpose, unless you are at a competitive level (which I am not, and early data from the power meter backs this up - lol)
At the end of the day, I am only competing against myself.  At the very least, it will be useful in trending performance changes.

Set-up:
Connected easily to my Magene C406 using the Onelap utility, which then syncs with Strava.  No issues here
One a few rides, but so far no signal drops

Features:
The Onelap utility provides all the metrics you could ever need.
Basic things it does track are: Power, cadence, left/right balance, pedaling efficiency, torque effectiveness.
It then makes other calculations, such as Power Zones (Anaerobic, VO2 Max, etc.), Watts/kg, Training stress, intensity, normalized power, etc.

All in all, I am quite happy with it.  For the same price, I could have gotten a single refurbished 4iii or Stages crank. 
Whether it is as accurate as a pair of Assiomas is irrelevant for me.  It is accurate enough for my purposes.
September 16, 2021, 11:06:15 AM 		1
Re: Magene P325 CS - First Impressions
Quote from: curvenut on September 17, 2021, 10:06:55 PM
Nice review !

 Why didnt you buy a 4iiii .. recognize brand, and a canadian cie !
I got the left side Ultegra from their store .

I have mine for 5 months so far, no complaints .

Thanks!
A few reasons:
1) for the price of a single side 4iii refurb, I got a dual power meter plus chainrings
2) I did think about 4iii, but that’d have necessitated sourcing the drive side separately, which would have increased my costs
3) But mainly, my challenge was to build a bike almost exclusively with Chinese brands. I dubbed my bike the MIC (Made in China) Mark I (the implication being that as Chinese parts improve, my n+1 will be MIC Mk 2)


Working with some of the manufacturers directly, you can really tell they are trying to shed the made in China stigma with their products.
September 17, 2021, 10:46:50 PM 		1
Re: Carbonda Gravel Carbon frame CFR707 I don't have any good build pictures to share yet (maybe if I have some time over lunch). I have some pictures of the frame, though! :-)
October 12, 2021, 02:58:48 AM 		1
Gray market SRAM Force 1 Shifter pair + calipers Hey gang. Wanted to share, just paid $450 for a pair of SRAM force 1 Shifters, L+R 1x11, including brake calipers (pre-bled, rear brake cable is 1.7m long) on ebay. I received it practically the next day from Taiwan to East Coast USA, which is f'in. INCREDIBLE with current supply chain bottle necks. Felt like sharing with you all.

https://www.ebay.com/itm/Sram-Force-1-HRD-1x11-Speed-Shift-Brake-Control-Hydraulic-Disc-Brakes-/194813077898?mkcid=16&mkevt=1&_trksid=p2349624.m46890.l6249&mkrid=711-127632-2357-0

They're also selling SRAM Apex shifter pairs + brake calipers for $300.
March 16, 2022, 10:00:46 PM 		1
Re: L-TWOO RX 2x12 road groupset The first to road hydraulic braking isn’t Sensah or Wheel Top but L-TWOO!

SRAM hood shape, Campy style shifting and Shimano model name…but only compatible with RXT 2x13 derailleurs and has an unorthodox way of mounting callipers

Hopefully they'll also make 2x11 and 2x12 versions for R9/Shimano and RX compatibility
June 17, 2022, 04:49:51 AM 		1
Re: Stumpjumper clone I've had the clone for a while now and ultimately felt that the 150mm travel was too much of a good thing...

So after scratching the hell out of it due to my errors during transport I got it repainted and decided to go full "Down Country" on it.

The forks are now 120mm SID Ultimate with a Slack R -1.5°, A SIDeluxe Ultimate damper and the Specialized ST Damper extension to allow for the 190x42.5 damper.

With various other Race Face and SRAM components weight is down to a very reasonable 11kg, running Newmen Carbon rims and 2.3 tyres from Conti.

Head Angle is approx 65.5°, effective seat tube angle I still need to calculate.

Love the handling of the bike and the 120mm front and back is more than enough for my riding.

What do you think? Sacrilege or ???

Cheers

Guy
June 22, 2022, 11:06:05 AM 		1
Classified Powershift Wheels Putting this is this forum, as it’s not a Chiner thing 
Just giddy with excitement and wanted to share.

I’ll be getting a set of these wheels to test out:
https://v1.classified-cycling.cc/en/wheels

It’s sort of answering a prayer for a 1X person like myself, and can’t wait to try them out!
June 29, 2022, 10:35:56 AM 		1
Cheap parts on Amazon with a warranty? So I just noticed that Amazon will sell you a 2 year warranty on pretty much anything for a bit under 10% of the product cost. I used this warranty once on a Kindle, and they refunded the money without a hassle.


I think I'm going to try this out on some cheap pedals (ZERAY ZP-108S). It only adds about $3 over Aliexpress and it should ship faster. The warranty claims to cover wear and tear as well as defects, so it could actually be a good deal...


Anyone else used the Amazon warranty on bike parts?
July 04, 2022, 05:46:48 PM 		1
Chinertown Strava Group Looks like someone started this some years ago.

Putting the link here.  Maybe we can get this re-booted
https://www.strava.com/clubs/chinertown
July 05, 2022, 09:29:37 PM 		1
Re: L-TWOO RX 2x12 road groupset L-TWOO posted a video of a hybrid electronic system on their youtube channel.

youtube.com/watch?v=mezfHQ9_0pQ
August 04, 2022, 07:00:24 AM 		1