Timeline for Hydraulic disc brake - lever compatibility
Current License: CC BY-SA 4.0
12 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jan 1, 2022 at 18:44 | comment | added | Marc Pfister | It is worth pointing out that instead of handwaving about leverage ratios, you could check that Hylex uses a 21mm piston, the same size as Shimano road calipers. You could also check that most mountain 2-pot calipers use 22mm pistons. This would indicated the leverage ratios are interchangeable, with MTB brakes trading 10% pad clearance for 10% more power. | |
| Oct 16, 2020 at 11:37 | history | edited | Argenti Apparatus | CC BY-SA 4.0 |
added 1 character in body
|
| May 1, 2020 at 21:40 | comment | added | Weiwen Ng | @Klaster_1 regarding mixing Tektro and Shimano, I have seen some of those posts. However, mineral oils are all different. The molecular weights involved might differ substantially, which could mean the braking performance might be altered in ways that the manufacturer didn't anticipate. We also don't know what additives are different, and how they might interface with the seals in each system. This isn't like exceeding your RD capacity, where you can see bad shifting. This is your brakes, and if there's damage it's not immediately visible. | |
| May 1, 2020 at 18:17 | history | edited | Argenti Apparatus | CC BY-SA 4.0 |
added 130 characters in body
|
| May 1, 2020 at 18:13 | comment | added | Argenti Apparatus | @Klaster_1 point taken, but I'll choose a safe answer backed up by manufacturer's documentation over unverified forum posts every time, especially when it involves brake systems. If I had personal experience or could point to an upvoted answer on here it would be a different matter. | |
| May 1, 2020 at 18:07 | comment | added | Klaster_1 Нет войне | @ArgentiApparatus my main gripe is about "general compatibility" part, I also find the answer too lopsided towards the safe side, citing official sources only. The answer would benefit from an additional viewpoint of mix and match, you can at least Google and resume experience of people with Tektro levers/Shimano calipers (there are MTBR threads), the potential downsides of such setup are already listed. The OP can decide what to choose if all pros/cons are clearly listed. I'm too lazy today to answer myself, but as a regular contributor, you might benefit from constructive feedback. | |
| May 1, 2020 at 17:56 | comment | added | Argenti Apparatus | @WeiwenNg leverage ratios are definitly a thing. The cross-section area of the pistons acts in the same way as the lever length | |
| May 1, 2020 at 17:53 | comment | added | Argenti Apparatus | @Klaster_1 note I said that Shimano and SRAM do not document compatibility between road and MTB. Also see bicycles.stackexchange.com/a/45053/24228, bicycles.stackexchange.com/a/45219/24228 | |
| May 1, 2020 at 16:41 | comment | added | Weiwen Ng | @Klaster_1 might have a point. Leverage ratios are definitely a thing with cable systems. But in hydraulics, I think that at least some of those properties are set by the brake fluid. So, there might be unofficial compatibility within a brand’s road and MTB levers for the hydraulic side. You definitely can’t pair any random hydraulic lever to the OP’s brakes if the fluids aren’t compatible. But your sentence seems to focus more on the first case, e.g. mixing Ultegra levers with XT calipers. | |
| May 1, 2020 at 15:05 | comment | added | Argenti Apparatus | Can whomever downvoted explain why they think this answer is incorrect? | |
| May 1, 2020 at 15:04 | comment | added | Klaster_1 Нет войне | I downvoted the answer because of "no general compatibility" statement, which I disagree with. All Shimano hydro calipers and levers are compatible, road and MTB. The same is very likely true for SRAM, but I have data on this. What works in real life and what manufacturers declare are two distinct things. | |
| May 1, 2020 at 11:06 | history | answered | Argenti Apparatus | CC BY-SA 4.0 |