Thunder's Place

The big penis and mens' sexual health source, increasing penis size around the world.

Selecting Your Cylinder Size

Two left hands, that’s not good for fapping and PEing is it. Hey maybe it is one of the reasons you pump?

If anyone in the US is interested I found the velseal cylinders from pumptoys (possibility of an angled entry ) to be very very comfortable. I previously had a cylinder from thickwall. It is quality one could knock a few fellows out if he knew how to swing it.

Originally Posted by gprent
:Up: :up:

Made the first purchase 👌 Soon be on my way to pumping and will share the progress 😬

Hi all I just received my Leluv 2” cylinder and pump, I just have a concern that the cylinder is too small?

I currently am 5 1/2” around which is a 2” cylinder is correct for?

But upon first try I found that I was touching the side walls without any pressure? Have I missed something here shouldn’t there be some room around me to allow for circumference expansion? Can anyone one provide any comment on this ? How snug should the cylinder be?


BPEL: 6.75"

EG: 5.50"

Got my LA pump and 2x9 cylinder, been at it for about a week now. Doing warmups with a warm washcloth, 100 jelqs, in the tube at 5-7hg for 15, 100 jelqs then another 15. I should add that I used a BathMate for more than a year and am an experienced PE’r.

So far I’ve gone from only packing the base 2” or so to almost packing all the way to my glans. Was hoping of more glans expansion - may it’ll come later. Is there any use for the glans only tubes? Currently my penis is proportional al the way up and down including the head - the head may be a little wider in a non-pumped state. I’d like to keep it this way and not have a girth start and a smaller head.

Any advice?


Starting stats 02/13/2013: BPEL 6-3/4" and EG 4-1/4"

Now: BPEL 7-1/8" MSEG 5-1/2" (permanent gains)

What patience you have, much appreciated

It looks like the LeLuv cylinders are well regarded here, as well as some of the cheapest I’ve seen for just the cylinder.

I’m just getting started and my BEG is slightly greater than 5.5in (maybe closer to 5.75in) though the rest of me sits about 5in EG with the tip even dropping down to a 4.5 or so. My BPEL is 7.6in. The one issue I can see is that LeLuv only has 9in cylinders length wise which only leaves me a bit under an inch and a half to expand. Other than that the 2in diameter sounds right for me, correct?

I’m primarily looking for girth though more length is welcomed as I’ve got a decent up curve. Should I stick to the 9x2 or look elsewhere perhaps for a 10x2 or 10x2.25?

I’ve read through a lot of the other call and responses, but I’m just making sure before I invest.
Thank you for all the time you’ve put in to answering inquiries!

Originally Posted by Murdic
It looks like the LeLuv cylinders are well regarded here, as well as some of the cheapest I’ve seen for just the cylinder.

I’m just getting started and my BEG is slightly greater than 5.5in (maybe closer to 5.75in) though the rest of me sits about 5in EG with the tip even dropping down to a 4.5 or so. My BPEL is 7.6in. The one issue I can see is that LeLuv only has 9in cylinders length wise which only leaves me a bit under an inch and a half to expand. Other than that the 2in diameter sounds right for me, correct?

I’m primarily looking for girth though more length is welcomed as I’ve got a decent up curve. Should I stick to the 9x2 or look elsewhere perhaps for a 10x2 or 10x2.25?

I’ve read through a lot of the other call and responses, but I’m just making sure before I invest.
Thank you for all the time you’ve put in to answering inquiries!

I think the 9x2 should give you many years of enjoyable use.


The primary goal of PE should be to make your penis as healthy as possible in both form and function. If you do that, increased size will follow.

Originally Posted by bill45
Hi all I just received my Leluv 2” cylinder and pump, I just have a concern that the cylinder is too small?
I currently am 5 1/2” around which is a 2” cylinder is correct for?
But upon first try I found that I was touching the side walls without any pressure? Have I missed something here shouldn’t there be some room around me to allow for circumference expansion? Can anyone one provide any comment on this ? How snug should the cylinder be?

I am thinking you must have a very wide and fairly flat penis cross section. The 2” is correct for you and your underside penis chamber will probably get the greatest expansion giving you a more round cross section after pumping.


The primary goal of PE should be to make your penis as healthy as possible in both form and function. If you do that, increased size will follow.

Originally Posted by jcl911
Got my LA pump and 2x9 cylinder, been at it for about a week now. Doing warmups with a warm washcloth, 100 jelqs, in the tube at 5-7hg for 15, 100 jelqs then another 15. I should add that I used a BathMate for more than a year and am an experienced PE’r.

So far I’ve gone from only packing the base 2” or so to almost packing all the way to my glans. Was hoping of more glans expansion - may it’ll come later. Is there any use for the glans only tubes? Currently my penis is proportional al the way up and down including the head - the head may be a little wider in a non-pumped state. I’d like to keep it this way and not have a girth start and a smaller head.

Any advice?

The glans only tubes are quite expensive and I don’t know of anyone that uses one. I think that with continued pumping, you will get more glans expansion using the cylinder you have.


The primary goal of PE should be to make your penis as healthy as possible in both form and function. If you do that, increased size will follow.

I hope this is on-topic as I want to know has anyone else experienced this. I ordered a 1.75 x 10 inch Boston pump cylinder with the built in Cockring about 6 or 7 months ago. I always thought I was getting a good seal because I was getting good expansion although I had to pump continuously to maintain 3 to 5 HG pressure. However, about 2 months ago after going back and forth over the cheaper Leluv 2.0 or Boston Pums 2.0 I ordered the cheaper Leluv (2 x9). To my surprise the seal is much better as I can pump to 3-7 hg and stop and watch TV and keep the same pressure for 10 minutes or more. So much easier on the hands. Anyone else experience this great of a seal? The only downfall is I should have ordered the 10 inch cylinder because I reach 8.5 in the tube. Not a problem for now since I’m going for girth only. Another strange thing is my BPEL is 9.25 but I only reach 8.5 in the tube.


Starting date 5/14/2015

Staring size: NBPEL 8.0 BPEL 8.75 Mseg 4.9 BEG 5.25

Currently 5/17/2016 NBPEL 8.3 MSEG 5.25 BEG 5.7

The odd ball seal is the one you got with the Boston pump build in cock ring. You should not have to pump continuously.

Regular old professional round cylinders always give me a leak free seal.

I don’t know what a built in cock ring looks like, but I’m guessing that is the problem area.


The primary goal of PE should be to make your penis as healthy as possible in both form and function. If you do that, increased size will follow.

Originally Posted by gprent

I don’t know what a built in cock ring looks like, but I’m guessing that is the problem area.

Excuse my wording. Its basically the standard Boston Pump cylinder in which the opening is 1/8 inch smaller in diameter than the inside so a 1.75 cylinder is 1.5 at the opening. Its not an actual built in cock ri g but supposedly should serve as one but I get a better seal with the cheaper Leluv although its a little larger and I only pack the first 2 inches. I was packing the entire 1.75 tube. I always thought it was normal to have to continuosly pump during the session. Well my hands should be a bit stronger now lol.


Starting date 5/14/2015

Staring size: NBPEL 8.0 BPEL 8.75 Mseg 4.9 BEG 5.25

Currently 5/17/2016 NBPEL 8.3 MSEG 5.25 BEG 5.7

Originally Posted by SoLong
Excuse my wording. Its basically the standard Boston Pump cylinder in which the opening is 1/8 inch smaller in diameter than the inside so a 1.75 cylinder is 1.5 at the opening. Its not an actual built in cock ri g but supposedly should serve as one but I get a better seal with the cheaper Leluv although its a little larger and I only pack the first 2 inches. I was packing the entire 1.75 tube. I always thought it was normal to have to continuosly pump during the session. Well my hands should be a bit stronger now lol.

Check to make sure that the female quick disconnect is screwed in firmly. Not overly tight, but firmly. Sometimes new cylinders come with this connector not quite tight enough.


The primary goal of PE should be to make your penis as healthy as possible in both form and function. If you do that, increased size will follow.

Originally Posted by Walter5169
Two left hands, that’s not good for fapping and PEing is it. Hey maybe it is one of the reasons you pump?

If anyone in the US is interested I found the velseal cylinders from pumptoys (possibility of an angled entry ) to be very very comfortable. I previously had a cylinder from thickwall. It is quality one could knock a few fellows out if he knew how to swing it.

my first cylinder (1.5”) was a VelSeal with the silicone gasket around the base. It was indeed comfortable. When I got my LAPump 1.75” cylinder, I transferred the gasket from my VelSeal to the LAPump without a problem.
When I ordered my 2” cylinder from LeLuv I had to order a larger gasket from PumpToys, but well worth it. I just transferred the larger gasket to my new 2.25” LeLuv cylinder.

The PumpToys gasket makes any flanged or flared edge cylinder significantly more comfortable.


Start 11/09 BPEL: 5.5", EG: 4.4"

Current. BPEL: 6:4", EG: 5.5"

Originally Posted by gprent
I am thinking you must have a very wide and fairly flat penis cross section. The 2” is correct for you and your underside penis chamber will probably get the greatest expansion giving you a more round cross section after pumping.

Yes turns out I’m about aprox 55mm wide, I didn’t consider this at the time, seems to be going alright I get all length expansion tho, do you think you could re-heat the acrylic tube and shape it again ? If I flattened it abit I would get more girth expansion? Which I like, The ladies also like the girth haha


BPEL: 6.75"

EG: 5.50"

Originally Posted by bill45
Yes turns out I’m about aprox 55mm wide, I didn’t consider this at the time, seems to be going alright I get all length expansion tho, do you think you could re-heat the acrylic tube and shape it again ? If I flattened it abit I would get more girth expansion? Which I like, The ladies also like the girth haha

I think it is best you use it as is. You will still get plenty of girth expansion without risking your pumping equipment.


The primary goal of PE should be to make your penis as healthy as possible in both form and function. If you do that, increased size will follow.

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