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Re: LTWOO ER9 & ERX - Electronic groepsets
Quote from: kubackjeee on October 17, 2023, 03:18:11 PM
You guys are really buying this stuff even when youtubers known for loving Chinese stuff gave it a red card?

Well, they are only youtubers....they seems to forget how hard sram failed when starting with their electronic groupsets..i remember a race, where 5 people were sitting at the side of the road not being able to change gears with their sram, sebastian kienle had failures on racing hawaii with sram..
So, why not give LTWOO the time to get stuff done...
We are currently planning to sell these units, even with aliexpress selling it lower than we buy directly, but customers are in the market for budget custom gravel builds....and it is great for the market....we need to show shimano, that their pricing needs to be adjusted.
the low prices on the shimano di2 sets are made by the dealer ships, shimano has still their high price attitude and in europe, margins are not there....a normal bike shop buys shimano stuff cheaper online at some outlets, than referring to the official distributor...
October 19, 2023, 02:02:59 AM 		1
Re: LTK266-D-SL, race frame, 680g, <800g w/paint & metal parts (M), fits 35mm+ tires Curious to hear if there is more feedback on this frame.

I stand by my initial take that this bike is delightfully boring. It lacks the "alive" feeling that makes you want to go fast and be a little reckless, but it always feels surefooted, even when pushing it through high-speed corners. I also still have no complaints regarding how it handles broken pavement or gravel roads even running an unpadded saddle. It's a strange thing, this bike doesn't feel any less than higher-end bikes, but it also lacks a standout quality (other than its very modern tire clearance and weight as low as the best frames from 2024).

It just seems too good to be true. Part of me is hoping for a reality check. And yes, I sound like Serge and hate every second of it.
October 12, 2025, 08:56:53 PM 		1
Re: Spcycle New Mold SP-R088 Carbon Road Frame
Quote from: benquick on October 23, 2025, 06:17:53 AM
Hi everyone. First, I must say that this forum has been an incredibly helpful resource for figuring out what to look for in Chinese frames and components, and once again I will try to use you all to get more insight.

I am in the market for a new frame, and I am torn between Spcycle R088 and LongTeng LTK266-D-SL. Both seem like good deals, are fairly lightweight, and tick all other boxes in regards to how I want my next bike to be (UDH, wide tire clearance etc.). Both being relatively good frames that match my objective criteria, I am now thinking that the ride feel should be an important deciding factor also. For example, people in the LongTeng thread mention how the ride can be relatively boring and how LTK266-D-SL is not aero at all, but I have problems with figuring out how this frame would relate to that. Overall, since the difference of 100g is not going to make much difference when climbing, I am going to list the "ride feel" criteria ordered by importance (skipping any criteria I do not really think about):
  • Absorbing the road noise. For long rides, I find that my current bike is relatively unforgiving, which I would like to remedy.
  • How fast the bike feels, the feeling of immediateness when accelerating and excitement when fast cornering. I imagine this makes riding fun, and I want the most of it that I can get.
  • How tucked in do I have to be when riding on the flats; I feel like I am relatively flexible, and the ride position can be manipulated with headset spacers, stem lenght, and seat position. Even though I would like to go fast (=be tucked in), I can't tell which of these two frames is going to be more flexible in regards to how I set up the bike and position myself. It it matters, I am 184cm/70kg and currently ride a relatively aggressive geometry. Both of these frames should allow me to get a more relaxed position in size L/56, but I am wondering about if there are any significant differences between the two.

For example, in regards to aero, both Spcycle and LongTeng feature a D-shaped seatpost, a slight cutout for the rear wheel, and arguably a non-aero circular headtube. However, people in the other thread are explicitly saying that LTK266-D-SL is not aero, but when I compare the geometry to R088 (see here for sizes L/56: https://geometrygeeks.bike/compare/longteng-ltk266-d-sl-2025-l,spcycle-r088-2025-56/), the headtube of the latter is higher, and the stack heights are similar. LTK266-D-SL also has 35mm tire clearance, and it is impossible for me to judge whether this meaningfully affects performance (given the same tires and wheels on both frames). What should I make of this? I am asking about aero since I relate it with the feeling of going fast -- but since I lack the experience with different frames, I am also wondering whether any of these properties are going to significantly affect my comfort?

Next thing relates to the stiffness of both frames. It has been mentioned in this thread that some flex has been noticed in the top-tube, while LTK266-D-SL uses higher-grade carbon, which is stiffer and perhaps more uncomfortable. I don't really know how to think about this, and if someone can provide some insight, it would really help my decision process.

Thank you all for any insights that you might have. General opinions about whether picking one frame over the other is going to have a noticeable impact in the first place are also welcome. I am also wondering how informed my decision can even be without trying out both frames, as it seems difficult to judge such specific criteria based on frame images, specs and reports from other riders who have only ridden one of the two frames.
Hi, since I haven't tested either frame, I can't give you a definitive answer.
However, I have a few comments on the data you posted:
1) I think the stack you reported on the LTK266-D-SL isn't correct... if you look at the geometry on the LTbike website, the stack in the L size is 559mm, not 564mm;
2) Reading the specs, the carbon used is T800 for the LTK266-D-SL and T1000 for the R088, so theoretically the T1000 of the R088 is "better," and should be stiffer;
3) Keep in mind that a stiffer frame also means more vibrations transmitted from the road (with the same wheels and tires);
4) Looking at the geometry of the two frames, although the LTK266-D-SL has a lower stack height, overall it seems to have more "relaxed" geometry (see 7mm shorter reach and 72.5° head angle versus the R088's 73.5°).
Considering the above, if you're looking for a more responsive frame, perhaps (based on paper) the R088 might be the better choice.

My criteria, however, is primarily aesthetic...so (if the geometry is good), I'd say get the one you like best.  ;D
October 23, 2025, 08:37:34 AM 		1
Re: Spcycle New Mold SP-R088 Carbon Road Frame
Quote from: Bonus79 on October 23, 2025, 08:37:34 AM
Hi, since I haven't tested either frame, I can't give you a definitive answer.
However, I have a few comments on the data you posted:
1) I think the stack you reported on the LTK266-D-SL isn't correct... if you look at the geometry on the LTbike website, the stack in the L size is 559mm, not 564mm;
2) Reading the specs, the carbon used is T800 for the LTK266-D-SL and T1000 for the R088, so theoretically the T1000 of the R088 is "better," and should be stiffer;
3) Keep in mind that a stiffer frame also means more vibrations transmitted from the road (with the same wheels and tires);
4) Looking at the geometry of the two frames, although the LTK266-D-SL has a lower stack height, overall it seems to have more "relaxed" geometry (see 7mm shorter reach and 72.5° head angle versus the R088's 73.5°).
Considering the above, if you're looking for a more responsive frame, perhaps (based on paper) the R088 might be the better choice.

My criteria, however, is primarily aesthetic...so (if the geometry is good), I'd say get the one you like best.  ;D

You pulled the numbers from the LTK266D, not the SL model. The 266DSL in theory, is M65, T1000, and T1100. How much of those materials is used, and whether or not there is a fourth material, is an open question.

Quote from: benquick on October 23, 2025, 06:17:53 AM
Hi everyone. First, I must say that this forum has been an incredibly helpful resource for figuring out what to look for in Chinese frames and components, and once again I will try to use you all to get more insight.

I am in the market for a new frame, and I am torn between Spcycle R088 and LongTeng LTK266-D-SL. Both seem like good deals, are fairly lightweight, and tick all other boxes in regards to how I want my next bike to be (UDH, wide tire clearance etc.). Both being relatively good frames that match my objective criteria, I am now thinking that the ride feel should be an important deciding factor also. For example, people in the LongTeng thread mention how the ride can be relatively boring and how LTK266-D-SL is not aero at all, but I have problems with figuring out how this frame would relate to that. Overall, since the difference of 100g is not going to make much difference when climbing, I am going to list the "ride feel" criteria ordered by importance (skipping any criteria I do not really think about):
  • Absorbing the road noise. For long rides, I find that my current bike is relatively unforgiving, which I would like to remedy.
  • How fast the bike feels, the feeling of immediateness when accelerating and excitement when fast cornering. I imagine this makes riding fun, and I want the most of it that I can get.
  • How tucked in do I have to be when riding on the flats; I feel like I am relatively flexible, and the ride position can be manipulated with headset spacers, stem lenght, and seat position. Even though I would like to go fast (=be tucked in), I can't tell which of these two frames is going to be more flexible in regards to how I set up the bike and position myself. It it matters, I am 184cm/70kg and currently ride a relatively aggressive geometry. Both of these frames should allow me to get a more relaxed position in size L/56, but I am wondering about if there are any significant differences between the two.

For example, in regards to aero, both Spcycle and LongTeng feature a D-shaped seatpost, a slight cutout for the rear wheel, and arguably a non-aero circular headtube. However, people in the other thread are explicitly saying that LTK266-D-SL is not aero, but when I compare the geometry to R088 (see here for sizes L/56: https://geometrygeeks.bike/compare/longteng-ltk266-d-sl-2025-l,spcycle-r088-2025-56/), the headtube of the latter is higher, and the stack heights are similar. LTK266-D-SL also has 35mm tire clearance, and it is impossible for me to judge whether this meaningfully affects performance (given the same tires and wheels on both frames). What should I make of this? I am asking about aero since I relate it with the feeling of going fast -- but since I lack the experience with different frames, I am also wondering whether any of these properties are going to significantly affect my comfort?

Next thing relates to the stiffness of both frames. It has been mentioned in this thread that some flex has been noticed in the top-tube, while LTK266-D-SL uses higher-grade carbon, which is stiffer and perhaps more uncomfortable. I don't really know how to think about this, and if someone can provide some insight, it would really help my decision process.

Thank you all for any insights that you might have. General opinions about whether picking one frame over the other is going to have a noticeable impact in the first place are also welcome. I am also wondering how informed my decision can even be without trying out both frames, as it seems difficult to judge such specific criteria based on frame images, specs and reports from other riders who have only ridden one of the two frames.

Regarding comfort, the big benefit of more clearance is the option to run wider tires, should you want to. Otherwise hard to see an upside or downside. Top tubes are primarily in tension so flex by squeezing it will mean close to nothing. I don't know if there is a single person on this forum who has experience with both frames who can comment on ride feel. One thing to keep in mind is that once you include the cost of sourcing your own headset, and add in the cost of paint, thru axles, and shipping the LTK266DSL ends up being a lot more expensive than this frame.
October 23, 2025, 10:09:17 AM 		1
Re: LTK266-D-SL, race frame, 680g, <800g w/paint & metal parts (M), fits 35mm+ tires The Seatpost is 30.3mm at the widest and 29.8mm long. Ive also sized some of the different parts of the wedge area in the attached photo.

Overall, the wedge sits like 2.5-3mm down into the hole and not flush, This is a pretty silly oversight from LTK, though Ive been riding my frame without the rubber cover and its fine.

That said, ive been working on a replacement 3d Printed cover, but I still dont have the hang of designing for these kinds of things that are part intended to be stretched and part intended to be compressed out of TPU. I attached an STL file (not sure why the step upload is failing) with my current design that I have not yet printed. These are $3.00/print at a MOQ of 15 and dropping to $2.50 at 20. If I do a run of these, i will have plenty of extras.
October 24, 2025, 10:54:54 PM 		1
Re: New Adapt Aero-Allrounder Build finished!

Here’s the list of parts:

Frame: of course Adapt DP-B02
Handlebars: DP-H01 which is also supplied by Adapt
Groupset: Shimano 105 di2 which came from my Yoshun r086D
Cassette: ztto 10-33
Chainring: pass quest 48-35
Wheelset: 206db rsl50c from my r086d

Can possibly still be lighter with carbon crankset or higher tier groupset. I am also planning on changing the wheels to something lighter. Maybe from xcms, serenade, pertual or whichever has good value. Will try to ride tomorrow if weather is good.
October 30, 2025, 04:56:46 AM 		1
Re: LTK266-D-SL, race frame, 680g, <800g w/paint & metal parts (M), fits 35mm+ tires
Quote from: benquick on November 04, 2025, 03:31:19 PM
  • How would you describe the difference in ride feel between having a long vs. a short frame? I want to imagine in what way I am going to feel different depending on whether I choose LTK266-D-SL vs. R088 compared to my VB-R-177.
  • What kind of tradeoff are you, personally, trying to balance as you are moving the seat? More comfort vs. aero? Are you keeping the stem length and headset height the same as you experiment?

1. I've only ridden on a missized race bike frame a few times. I don't think I can advise you on how you will feel on a longer vs a shorter reach frame -- which will also mean different stacks and other geo changes. There are so many factors beyond height and inseam, like torso/arm length, flexibility, how many spacers, what your preferred arm/elbow angle is, what bar width you're going to use (relative to shoulder width)...i could go on and on. As you mentioned it's different if you are adding spacers. I recommend using a website like www.bikegeocalc.com/ and actually inputting all of your current measurements and components and then mapping them onto the (possible) new frames, factoring in the new components you would have, such as a different bar-stem setup. You could replicate your current fit, at least. In terms of how changes to that fit will make you feel -- I can't tell you anything from here on the message board, and even with more info I'm not a bike fitter in the least  :-X

Why I go for smaller frame is partly wanting a lower stack and more seatpost - 58 usually have higher frame stack than I want. I like that pro look, too, with the long stem -- it's an aesthetic thing. And I don't feel cramped once I get the long stem, so why go bigger? Sorry for this rambly answer, but I'm really not a bike tester or all that experienced with different frames, I've just ridden my friends' bikes a few times and gravel race bikes with long reach and shorter stem to compensate (e.g. BMC kaius) and those experiences have generally confirmed my preferences for a road setup.

2. Just experimenting with ~5-10mm forward. It's trendy to be more forward and over top of the BB these days. I also moved from 172.5mm cranks to 170, so I wonder if that gives me some room to play with. I'm keeping the front end the same (can't change it without major expense anyways).

edit: one thing -- my LTK266-D-SL still has a lot more seatpost that could be exposed without getting close to the minimal insertion, so don't worry about that.
November 05, 2025, 06:54:02 AM 		1
Re: LTK266-D-SL, race frame, 680g, <800g w/paint & metal parts (M), fits 35mm+ tires Some Weights:

  • Frame: 745g
  • Fork: 315g
  • Seatpost: 93g (only carbon)
  • Seatpost: 52g (Metal Parts)
  • Seatpost Clamp: 22g
  • front axle: 32g (M12*P1,5 116)
  • rear axle: 46g (M12*P1,0 168,5)
  • UDH Hanger: 19g
  • Front Hanger: 16g
  • Cockpit LTK : 431g (100*400)
  • Headset LTK: 94g
  • Expander LTK: 37g
  • Ahead LTK: 17g
  • Spacer 5mm LTK: 10g
  • Spacer 10mm LTK: 21g
  • Spacer 20mm LTK: 40g
November 07, 2025, 03:51:12 PM 		1
Re: Seraph Bikes Superlight 836g X68 - Alternative to SL8 Fakes? Hello All,
I have been lurking and "researching" for a frame as I updated a bike with 105 mechanical that only had about 350-500 miles on it and the wheels.  The group set  and wheels have been in boxes for 2 years and decided to buy a used frame, but came across this site and decided to buy a clone for the hell of it!  I appreciate all the information from everyone to help each other out.  I decide on a Seraph and purchased via PayPal on Sat Nov. 8th.  For anyone interested, I will return the favors you have given me in the timeline, pictures of the frame, interior of the frame, etc...
November 11, 2025, 02:46:00 AM 		1
Re: Interesting Aliexpress finds! - good deals, interesting stuff, new products etc!
Quote from: benquick on November 15, 2025, 05:58:27 AM
Did anyone buy the CRUZBIKE carbon crank?
https://a.aliexpress.com/_Eynmuve

3-bolt direct mount, relatively cheap, 24mm titanium spindle, no branding, only 320g. Any red flags I am missing? I would be buying for a road bike -- is 93mm shaft length ok?
Same spindle length as Lexon and others. Will likely require a couple small spacers and have a slightly wider q but works.
November 15, 2025, 08:39:00 AM 		1