YT Jeffsy 29 Thread

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Posted: Nov 22, 2019 at 15:45 Quote
Can anyone tell me if the rockshox deluxe rct shock on the 19 cf pro come with any volume reducers already installed? If it does then I'm wondering if taking one out will improve the feel of the bike.. has anyone played around with the deluxe and found a better setup??

Posted: Nov 23, 2019 at 6:46 Quote
Jda6385 wrote:
Can anyone tell me if the rockshox deluxe rct shock on the 19 cf pro come with any volume reducers already installed? If it does then I'm wondering if taking one out will improve the feel of the bike.. has anyone played around with the deluxe and found a better setup??

Read some articles on volume spacers and re-ask your question. "improve the feel of the bike" doesn't tell much about what you're looking for. Do you want your suspension to be more supple on top? Stiffer throughout? Ramp up or linear suspension curve?

Posted: Nov 23, 2019 at 10:56 Quote
code26 wrote:
Jda6385 wrote:
Can anyone tell me if the rockshox deluxe rct shock on the 19 cf pro come with any volume reducers already installed? If it does then I'm wondering if taking one out will improve the feel of the bike.. has anyone played around with the deluxe and found a better setup??

Read some articles on volume spacers and re-ask your question. "improve the feel of the bike" doesn't tell much about what you're looking for. Do you want your suspension to be more supple on top? Stiffer throughout? Ramp up or linear suspension curve?

My apologies, I'm almost to the point of obsession when it comes to finding out as much as I can about how my bikes suspension works. Sadly, my ignorance far outweighs any knowledge I may have about the topic. I guess what I'm looking for is better small bump sensitivity and more supple off the top. Thanks

Posted: Nov 23, 2019 at 13:17 Quote
Jda6385 wrote:
code26 wrote:
Jda6385 wrote:
Can anyone tell me if the rockshox deluxe rct shock on the 19 cf pro come with any volume reducers already installed? If it does then I'm wondering if taking one out will improve the feel of the bike.. has anyone played around with the deluxe and found a better setup??

Read some articles on volume spacers and re-ask your question. "improve the feel of the bike" doesn't tell much about what you're looking for. Do you want your suspension to be more supple on top? Stiffer throughout? Ramp up or linear suspension curve?


My apologies, I'm almost to the point of obsession when it comes to finding out as much as I can about how my bikes suspension works. Sadly, my ignorance far outweighs any knowledge I may have about the topic. I guess what I'm looking for is better small bump sensitivity and more supple off the top. Thanks

What you want is a megneg can or just dump it and go coil. Only air shock that is gonna replicate the small bump sensitivity and OOT best compared to a coil is a Fox X2.

Posted: Nov 23, 2019 at 13:48 Quote
Elkulp wrote:
_Only_ air shock that is gonna replicate the small bump sensitivity and OOT best compared to a coil is a Fox X2.

*Cough*
Topaz
*/Cough*

Wink

...but yeah, bigger and preferably adjustable negative air spring usually brings the most noticeable improvement to the small bump sensitivity.

Posted: Nov 23, 2019 at 14:38 Quote
Vertti83 wrote:
Elkulp wrote:
_Only_ air shock that is gonna replicate the small bump sensitivity and OOT best compared to a coil is a Fox X2.

*Cough*
Topaz
*/Cough*

Wink

...but yeah, bigger and preferably adjustable negative air spring usually brings the most noticeable improvement to the small bump sensitivity.

Thanks for the advice! do you ride with a topaz yourself?? I've been looking at DVO's topaz as a possible upgrade but seems like coils are becoming more popular. so I'm torn between the two.. all opinions are welcome

Posted: Nov 25, 2019 at 3:04 Quote
Jda6385 wrote:
Vertti83 wrote:
Elkulp wrote:
_Only_ air shock that is gonna replicate the small bump sensitivity and OOT best compared to a coil is a Fox X2.

*Cough*
Topaz
*/Cough*

Wink

...but yeah, bigger and preferably adjustable negative air spring usually brings the most noticeable improvement to the small bump sensitivity.

Thanks for the advice! do you ride with a topaz yourself?? I've been looking at DVO's topaz as a possible upgrade but seems like coils are becoming more popular. so I'm torn between the two.. all opinions are welcome

Yes, I do have a Topaz on my mk1 Jeffsy 29", and it has been working very well indeed. The air spring is fairly linear with no spacers, and it is easy to adjust positive and/or negative air spring with the spacers, I have one band in negative side, no bands on positive side. Piggyback pressure I've kept at ~175psi, that has quite noticeable effect on the damping. The Lowspeed compression lever provides some added "platform" in case if pedalling longer uphills or so...

There might not be quite as many external adjustments on the Topaz as on X2 or the Cane Creek Double Barrel (inline), but so far the adjustments have been enough and the other big part for me with the Topaz is that it is fairly simple to service the shock, so no need to send shock to service when time for such comes around...

There is quite a bit of discussion about Topaz and other options on this and "the other Jeffsy thread" about one year back or so...

Posted: Nov 25, 2019 at 7:09 Quote
I also have a topaz (230x65 mm, 160 mm travel) on my jeffsy cf 18 27.5. I love this shock. And everything Vertti said is correct. I can only encourage you to try it.

Posted: Nov 30, 2019 at 4:03 Quote
Jda6385 wrote:
Can anyone tell me if the rockshox deluxe rct shock on the 19 cf pro come with any volume reducers already installed? If it does then I'm wondering if taking one out will improve the feel of the bike.. has anyone played around with the deluxe and found a better setup??

I adjusted my RS shock by ripping it off the bike and fitting a CC inline coil. Way way way better!

I just couldn’t get any sensitivity out the air shock, was great on tarmac or fire road climbs but for everything else the coil is far superior.

Posted: Dec 2, 2019 at 11:48 Quote
Hey fellow Jeffsy owners, I have a question.

I have a 2018 AL comp that im thinking about cannibalizing into a new bike build (Norco Optic or Marin Rift Zone). My question is, once this bike has been stripped down to the frame/shock, will it be worth anything? The shock is the Cane Creek inline coil, so that has been upgraded. The new frame will be designed around shorter offset forks, so I wont be using my pike on the new build, but I think I wanna toss it on my hardtail.

Current spec of my Jeffsy 29 AL:
- XT drivetrain/XT 4 piston brakes (very new)
- Pike RC fork with upgrade air spring 150mm travel
- Cane Creek Inline Coil
- One up 150mm Dropper
- Everything else is stock for the build.

Posted: Dec 3, 2019 at 4:21 Quote
Froday wrote:
...The new frame will be designed around shorter offset forks, so I wont be using my pike on the new build...

Isn't the Jeffsy mk1 one of the first bikes where shorter fork offset was "the thing" it was partly marketed with?

Correct me if I'm wrong, but I believe all Jeffsy 29"s should be specced originally with shorter(42-46mm) offset, instead of the "standard" 51mm for 29" wheels. So you might want to check what is the actual offset on the Pike you have already...

Posted: Dec 3, 2019 at 8:41 Quote
Vertti83 wrote:
Froday wrote:
...The new frame will be designed around shorter offset forks, so I wont be using my pike on the new build...

Isn't the Jeffsy mk1 one of the first bikes where shorter fork offset was "the thing" it was partly marketed with?

Correct me if I'm wrong, but I believe all Jeffsy 29"s should be specced originally with shorter(42-46mm) offset, instead of the "standard" 51mm for 29" wheels. So you might want to check what is the actual offset on the Pike you have already...

Nope, my build still had the 51mm fork.

Posted: Dec 3, 2019 at 9:58 Quote
Vertti83 wrote:
Froday wrote:
...The new frame will be designed around shorter offset forks, so I wont be using my pike on the new build...

Isn't the Jeffsy mk1 one of the first bikes where shorter fork offset was "the thing" it was partly marketed with?

Correct me if I'm wrong, but I believe all Jeffsy 29"s should be specced originally with shorter(42-46mm) offset, instead of the "standard" 51mm for 29" wheels. So you might want to check what is the actual offset on the Pike you have already...
Jeffsy AL 29 2016: Pike with 46mm offset.

Posted: Dec 3, 2019 at 11:33 Quote
Vertti83 wrote:
Isn't the Jeffsy mk1 one of the first bikes where shorter fork offset was "the thing" it was partly marketed with?

Correct, they were early adopters of using a reduced offset fork.

Posted: Dec 3, 2019 at 17:42 Quote
https://www.yt-industries.com/en/detail/index/sArticle/1928

Here is the old site for the 2018 bike.

Also, that is kinda a side conversation to what really matters.

Is a Aluminum Jeffsy frame worth anything to anyone?


 
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