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Re: Wheeltop EDS GeX It's pretty suspect that their 19 reviews all appear to be fake. A bunch of them even seem to feature pictures from the same bike :o

All reviews were added on between 25th and 29th of September. I received the marketing email with the announcement of the groupset on the 8th of October and there has been no reviews on their website since.
October 21, 2024, 02:23:52 AM 		1
Re: Chainline help - Light Carbon LCG-071 and Sram Apex axs your chainline will be closer to the highest gear by a few mil, so your granny gear might get a bit noisy. if it bothers you too much you can always space the driveside crank arm out a bit and get a chainring w/more offset.
November 14, 2024, 10:26:34 AM 		1
Re: Chainline help - Light Carbon LCG-071 and Sram Apex axs Their advice on chainline is pretty unintelligible to me. Having an LCG071 myself on which I run a 43.5mm chainline crankset, I really don't believe that a 54/42T could fit with a 43.5mm chainline. 46-30T just barely fits. Perhaps there's a typo, where:

Quote
If use double chainring, max 54/42T (chainline=43.5mm)，min 46-30T (chainline=47mm)

should actually read:

Quote
If use double chainring, max 54/42T (chainline=47mm), max 46-30T (chainline=43.5mm)

Similarly, I don't understand why they would recommend a max chainring of 42T for a 49.7mm chainline, which is a wider chainline than the 43.5mm chainline's outer ring (which sits at 46mm), or even that from a 47.5mm chainline. It would make more sense if they were recommending a 42T max chainring for a 43.5mm 1x chainline, which is what you get with a inboard-offset 1x chainring commonly used in 1x conversions.

In any case: I'm betting that with a 47.5mm chainline, you can run 54/42t max.

November 14, 2024, 10:51:57 AM 		1
Re: Chainline help - Light Carbon LCG-071 and Sram Apex axs Maybe I'm misunderstanding, but Lightcarbon's specification doesn't mean you must have a crankset with ~49 mm chainline. It is merely the reference value for determining clearance. If you have a crankset with a smaller chainline value (i.e. more inboard), you probably will run into clearance issues with the specified max of 42T.

The ideal chainline for a 12x142 through axle back wheel is around 46 mm, but cranksets, especially gravel specific ones, sometimes compromise and are a bit more outboard to gain more clearance between chain/crank/front derailleur and tire. Or they might compromise to be more inboard to work better on "classic" 10x130 mm QR where the ideal chainline is 43.5 mm (e.g. 44.5 mm on Shimano road cranks).

Around 49 mm is the ideal chainline with boost (148 mm) axle standards, but those are almost exclusively used on MTBs.
November 15, 2024, 10:20:04 AM 		1
Re: Chainline help - Light Carbon LCG-071 and Sram Apex axs Hi @RiegelundGel97, I'm sure what you mean about chainline, I guess is how far the chainring sits from the BB.

I have one of this frames and I built it with ultegra cranckset and the chainring fitted where the big chainring of 2x would fit and I used to run a 46T chainring, my rear derailleur is an Sram Rival xplr axs with a 10-45 Shimano cassette.

I don't feel it particularly noisy when I run the lowest gear but it's true that I found the transmission noisier that the standard ultegra that I run on my road bike.

I sent you a picture of the gap with the 40t chainring to show you the gap but as I said I used to run a 46T without any problem even if the gap was quite small
November 17, 2024, 12:54:21 PM 		1