Reverb length from collar
mattjevans
Posts: 253
can someone tell me the length of a reverb from bottom of the silver collar part to the rails? I have been hunting but can't find this dimension. Either for a 100 or for a 125.
I don't run a particularly long seat post and trying to figure out if I can make this work and if so which drop height
I don't run a particularly long seat post and trying to figure out if I can make this work and if so which drop height
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From the centre of the seat rail to the collar bottom, mine is 190mm, Fully down collar bottom to seat rail centre 65mm0
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Mines 185mm from collar bottom to rails. I have the 125mm version"Why have that extra tooth if you're not using it?" - Brian Lopes
Votec V.SX Enduro 'Alpine Thug' 2012/2013 build
Trek Session 80 -
I've talked to a few people who are new to dropper posts who misunderstand the idea, so please humour me here.mattjevans wrote:can someone tell me the length of a reverb from bottom of the silver collar part to the rails? I have been hunting but can't find this dimension. Either for a 100 or for a 125.
I don't run a particularly long seat post and trying to figure out if I can make this work and if so which drop height
Why do you run such a short seatpost? And why do you want the length of the upper part of the post?0 -
125mm version here & it's somewhere around 185-190mm from top of seat tube to saddle rails.My guide to navigating using the Garmin Edge 800
My guide to navigating using the Garmin Edge 1000
Riding your first Century (100 miles) – a guide for normal people.0 -
YeehaaMcgee wrote:
I've talked to a few people who are new to dropper posts who misunderstand the idea, so please humour me here.mattjevans wrote:can someone tell me the length of a reverb from bottom of the silver collar part to the rails? I have been hunting but can't find this dimension. Either for a 100 or for a 125.
I don't run a particularly long seat post and trying to figure out if I can make this work and if so which drop height
Why do you run such a short seatpost? And why do you want the length of the upper part of the post?
I run a post at 20cm because that is what fits me and suits my body and riding style. I could go to a smaller frame and have more post but I don't want a lower front end and less reach.
I want to know the length of the upper part to assess if I could use it. Obviously in theory since the height is variable you could use it even if your "normal" seatpost length was 150mm, and simply not raise it to its full height every time, but from what I have read around nobody really thinks this is a good idea. So my view is that if the fully extended length from seat collar bottom to rails is longer than my "normal" seatpost length, I couldn't do a reverb.
From the sounds of it, I could run a 125mm drop Reverb, just, and a 100mm drop should be fine.
Cheers0 -
125 should be fine for you too. HiBike doing them for about £180 delivered!My guide to navigating using the Garmin Edge 800
My guide to navigating using the Garmin Edge 1000
Riding your first Century (100 miles) – a guide for normal people.0 -
mattjevans, that's ok, I was just worried you might be falling into a common misunderstanding.0
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YeehaaMcgee wrote:mattjevans, that's ok, I was just worried you might be falling into a common misunderstanding.
thanks - out of interest, what is the misunderstanding?0 -
thanks all for posting the info0
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A number of minor things. Some people try and set the post's lowest position to where they'd like it, and then get confused because it extends too far, for example, rather than setting the fully extended post properly, and just dropping it!mattjevans wrote:YeehaaMcgee wrote:mattjevans, that's ok, I was just worried you might be falling into a common misunderstanding.
thanks - out of interest, what is the misunderstanding?
that kind of thing.0 -
YeehaaMcgee wrote:
A number of minor things. Some people try and set the post's lowest position to where they'd like it, and then get confused because it extends too far, for example, rather than setting the fully extended post properly, and just dropping it!mattjevans wrote:YeehaaMcgee wrote:mattjevans, that's ok, I was just worried you might be falling into a common misunderstanding.
thanks - out of interest, what is the misunderstanding?
that kind of thing.
sounds more like an ejector seat set up that way...0 -
forgotrafe wrote:125 should be fine for you too. HiBike doing them for about £180 delivered!
Sadly (as it would be my preference) I think 125mm would be too marginal to make sense. I'd only have 10mm from bottom of collar to seat clamp top. At the moment I have a saddle (Selle Italia X1) that has a low rise from rails to saddle top. If I change saddle to something that has greater rail to top distance, I'd need to drop the post height and that wouldn't be possible with the 125mm version.0 -
I only have about 15mm sticking out. 100mm might have given more flexibility and more than adequate drop, just couldn't argue with the HiBike price for the 125mm.My guide to navigating using the Garmin Edge 800
My guide to navigating using the Garmin Edge 1000
Riding your first Century (100 miles) – a guide for normal people.0 -
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YeehaaMcgee wrote:It really does sound like the frame is too big, or has very retro geometry though. hmm.
no. neither of those. hmm0 -
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Remember that you dont have to fully extend the reverb. The fully compressed height(bottom of collar to rails) will be the same with the 100 and 125mm version. If you currently have to have your post so low in the frame that you are looking at rail to top distances for saddles, your frame sounds too big and a dropper post will not help here at all!0
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leaflite wrote:Remember that you dont have to fully extend the reverb. The fully compressed height(bottom of collar to rails) will be the same with the 100 and 125mm version. If you currently have to have your post so low in the frame that you are looking at rail to top distances for saddles, your frame sounds too big and a dropper post will not help here at all!
Fully compressed height wasn't my concern.0 -
mattjevans wrote:leaflite wrote:Remember that you dont have to fully extend the reverb. The fully compressed height(bottom of collar to rails) will be the same with the 100 and 125mm version. If you currently have to have your post so low in the frame that you are looking at rail to top distances for saddles, your frame sounds too big and a dropper post will not help here at all!
Fully compressed height wasn't my concern.
What was then?
Your OP asks what the bottom of the silver collar to the rails height is. I am telling you that it is the same for the 100 and the 125 version.0 -
Fully extended length. Which is what the answers came back with0
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mattjevans wrote:Fully extended length. Which is what the answers came back with
Oh, right
I misunderstood :oops:0
