Trek Slash 2021 ?

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Trek Slash 2021 ?
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Posted: Nov 22, 2022 at 5:54 Quote
Chicken-man wrote:
Hi guys, I've bought a fox dpx2 to replace the stock shock on my slash 7. Am I right in thinking that I can reuse the hardware and change the du bushings? Anyone know what size I'd need? And if I'm missing anything. Cheers.

I've been able to transfer everything into the dhx2 from the stock deluxe shock on my Slash 7. Guess you'll be fine.

Posted: Nov 28, 2022 at 16:33 Quote
Which bearing pusher puller kit do I need to swap the lower shock mount bearings? Do I need to slide hammer them out or can I push those? It looks like a tight fit. Was looking at the Alt Alt kit.

Posted: Dec 1, 2022 at 6:14 Quote
Looking to find the good spring rate for a rockshock super deluxe ultimate coil on my Slash. I weight 155lbs.
THANKS

O+
Posted: Dec 1, 2022 at 9:31 Quote
threshold31 wrote:
Looking to find the good spring rate for a rockshock super deluxe ultimate coil on my Slash. I weight 155lbs.
THANKS

Here's two spring rate calculator options. These will get you close. Rockshox coils only come in 50lb increments so if you end up pretty in between two rates I'd suggest ordering both and testing them to decide which one you prefer.

https://mrpbike.com/pages/spring-calculator

https://www.tftuned.com/spring-calculator

Posted: Dec 1, 2022 at 14:10 Quote
I want change my DPX2 from my 2021 9.7 Slash. I don't know if its better to buy:
- the RockShox Super Deluxe Ultimate ThruShaft RCT - 230x62.5mm Trunnion/Yoke Rear Shock for Trek Slash 2021+ C1 from this web https://www.bike24.es/productos/642392?sku=2188357&gclid=Cj0KCQiAvqGcBhCJARIsAFQ5ke7CdJGQ9_KGn3kM-c-f8AWcsaAFh1PnflgoGOoU69794YHULmlF12saAjcvEALw_wcB
Or to buy the 2023 model but its not specific for trek:
- RockShox Super Deluxe Ultimate RC2T Debon Air+ Amortiguador - Standard - 230mm :
https://www.bike24.es/productos/642392?sku=2188357&gclid=Cj0KCQiAvqGcBhCJARIsAFQ5ke7CdJGQ9_KGn3kM-c-f8AWcsaAFh1PnflgoGOoU69794YHULmlF12saAjcvEALw_wcB

Which one would you recomend? Big thanks

Posted: Dec 2, 2022 at 9:04 Quote
pqbb wrote:
felix571 wrote:
pqbb wrote:
Installed a rode the new gen Super Deluxe Ultimate for 2 days over the weekend! (eyelet mount, without hydraulic bottom out)
Very happy with the shock! After having a lot of reliability issues with the Thru shaft this season, I'm very glad to be on the generic shock.

I'm running it with:
all the positive chamber volume reducers the shock came with.
~25% sag
LSC - 1 click from closed (there are 5 positions in total - so this is position 2/5 where 1 is closed and 5 open)
HSC - 3 clicks from closed (there are 5 positions in total - so this is position 4/5 where 1 is closed and 5 open)
rebound - quite fast (didn't count clicks, but pretty much as fast as possible without feeling the shock top out)

Overall, I already like it better than the thru shaft ever felt over the past 2 seasons.
It feels like I have more support and therefore more travel available.
Having the HSC adjustment is great. As a lighter rider (155lbs), I often feel like any suspension has HSC too closed for either my weight, riding style and rough terrain.

I was instantly comfortable with the new shock, and even more after having played with the settings a little bit. Would definitely recommend.

Can you link the exact version you´ve bought and the adapter kit as well? Thanks!

This is the shock:
RockShox, Super Deluxe Ultimate RC2T, Rear shock, 230x62.5, Shaft Eyelet: Standard, Body Eyelet: Standard, Linear, Linear Reb/LowComp, 320lb Threshold
(I prefer going with the linear air can, which I'm under the impression provides better mid stroke support than the bigger negative chamber air can. Then I add tokens for bottom out resistance.)

I don't have info on the adapter kit, I got it from a local (crappy) trek retailer that I recommend everyone to avoid (UBAC in Bromont, Quebec, Canada)

Could you tell us how is it working?

Posted: Dec 12, 2022 at 9:57 Quote
I had this answer from https://linkagedesign.blogspot.com/2021/04/trek-slash-29-2021.html?m=1 :
The 2021 Trek Slash has 20% progressivity, a fairly correct figure for an Enduro model and that won't cause too many problems, but even so, a progressive shock would help the system.

In my opinion, combining the progressive can with HBO is too wild and I don't think it makes sense, so the two options would be: Linear camera + HBO if you want the bike to have a very sweet behavior, but without making stops. , or Progressive Cam No HBO if you want a firmer midsection and feel more agile on jumps, turns ("peraltes"), and fun trails.

My best wishes.

Posted: Dec 12, 2022 at 22:04 Quote
This is the answer from ROCKSHOX about which Super Deluxe Ultimate RC2T uses the TREK Slash 2023:

Check out the screenshot below directly from the Trek website.

Part number 00.4118.294.403 (RS SUPER DELUXE ULTIMATE RC2T 230X62.5 PROGRESSIVE AIR CAN 0 NEG 0 POS TOKENS LINEAR REB-MED COMP TUNE HYDRAULIC BOTTOM OUT 320LB THRESHOLD STANDARD STANDARD C1) is custom-built for Trek and uses HBO and a Progressive air can. The rebound tune is Linear, the Compression tune is M, and Lockout Force is 320. 0 negative and 0 positive volume reducers are installed, and the check tune is 0- Light. Unfortunately, we do not sell this shock aftermarket.

The best aftermarket solution is to order shock number 00.4118.358.086 (Rear Shock Super Deluxe Ultimate RC2T - (230X62.5) Linear Air, 0 Neg/1 Pos Token, LinearReb/LowComp, Hydraulic Bottom Out, 320lb Threshold, Standard Standard - C1), remove the one positive volume reducer, and install the Progressive Air can, which is part number 11.4118.059.010 (REAR SHOCK AIR CAN ASSEMBLY - PROGRESSIVE 57.5-65MM (DECALS, COUNTERMEASURE, AND SPRING) - SUPER DELUXE THRUSHAFT C1 (2021+)/ SUPER DELUXE C1/DELUXE C1 (2023+)).

Posted: Dec 13, 2022 at 3:20 Quote
spongybrakes wrote:
has anyone at Trek addressed the quick to fail bottom shock mount bearings? i have a total of 4 rides on my 2022 9.8 and the bottom shock mount bearings are toasted. looks like a spacer issue?
trek replaced my bearings for me . although the shop charged me labour to do this , which was a piss take

Posted: Dec 13, 2022 at 8:42 Quote
Anyone know if a kitsuma coil will fit without causing issues on the 2021+ slash? It’s a m/l frame.

Posted: Dec 13, 2022 at 8:45 Quote
Iuhiu wrote:
pqbb wrote:
felix571 wrote:


Can you link the exact version you´ve bought and the adapter kit as well? Thanks!

This is the shock:
RockShox, Super Deluxe Ultimate RC2T, Rear shock, 230x62.5, Shaft Eyelet: Standard, Body Eyelet: Standard, Linear, Linear Reb/LowComp, 320lb Threshold
(I prefer going with the linear air can, which I'm under the impression provides better mid stroke support than the bigger negative chamber air can. Then I add tokens for bottom out resistance.)

I don't have info on the adapter kit, I got it from a local (crappy) trek retailer that I recommend everyone to avoid (UBAC in Bromont, Quebec, Canada)

Could you tell us how is it working?

It's working great! I would say very similar to the thru shaft with the exception I can adjust (open) HSC, which I couldn't do on the thru shaft. Overall, I feel the shock is more consistent and I get better high speed sharp(roots, square rocks , etc) impact compliance.

Posted: Dec 13, 2022 at 8:46 Quote
Iuhiu wrote:
This is the answer from ROCKSHOX about which Super Deluxe Ultimate RC2T uses the TREK Slash 2023:

Check out the screenshot below directly from the Trek website.

Part number 00.4118.294.403 (RS SUPER DELUXE ULTIMATE RC2T 230X62.5 PROGRESSIVE AIR CAN 0 NEG 0 POS TOKENS LINEAR REB-MED COMP TUNE HYDRAULIC BOTTOM OUT 320LB THRESHOLD STANDARD STANDARD C1) is custom-built for Trek and uses HBO and a Progressive air can. The rebound tune is Linear, the Compression tune is M, and Lockout Force is 320. 0 negative and 0 positive volume reducers are installed, and the check tune is 0- Light. Unfortunately, we do not sell this shock aftermarket.

The best aftermarket solution is to order shock number 00.4118.358.086 (Rear Shock Super Deluxe Ultimate RC2T - (230X62.5) Linear Air, 0 Neg/1 Pos Token, LinearReb/LowComp, Hydraulic Bottom Out, 320lb Threshold, Standard Standard - C1), remove the one positive volume reducer, and install the Progressive Air can, which is part number 11.4118.059.010 (REAR SHOCK AIR CAN ASSEMBLY - PROGRESSIVE 57.5-65MM (DECALS, COUNTERMEASURE, AND SPRING) - SUPER DELUXE THRUSHAFT C1 (2021+)/ SUPER DELUXE C1/DELUXE C1 (2023+)).

That is the shock I got, but I couldn't find the progressive air can so I added positive volume reducers/tokens instead.
I'd be curious to try the other can, but don't feel like it's needed at all.

Posted: Dec 13, 2022 at 8:48 Quote
spongybrakes wrote:
Which bearing pusher puller kit do I need to swap the lower shock mount bearings? Do I need to slide hammer them out or can I push those? It looks like a tight fit. Was looking at the Alt Alt kit.

I use a blind bearing puller with a slide hammer for those.
Be careful when re-installing them, the little lip where these bearing sit is very thin and can be damaged if you press the bearings a bit to hard.

O+
Posted: Dec 19, 2022 at 8:08 Quote
Has anyone upgraded to 220/200mm rotors f/r on their Slash? If so - what spacers did you need to buy for the upgrade? Thanks!

Posted: Dec 19, 2022 at 22:52 Quote
i-kerr wrote:
Has anyone upgraded to 220/200mm rotors f/r on their Slash? If so - what spacers did you need to buy for the upgrade? Thanks!

I am running 220 front and rear. You you want to keep your brake? Depending on the brake manufacturer there are differences in the rotor size. 203mm are common as well.

If you can tell us exactly which rotor size you want to use, we can help you with the adapters.
Which fork are you using?


 
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