Trek rail rear shock upgrade ideas please

alexhalliow

Member
Nov 5, 2020
37
3
Isle of Wight
Great- this is the shock I have taken off- I can use the same hardware?

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zdenny55

New Member
Oct 27, 2020
2
12
CZ
Hi there. Is it possible to fit a regular Rock Shox Superdeluxe 230x60 on a L size frame? If so,is the stock hardware the same?
Thanks
I haven't tried it, but I think not enough clearance for a piggyback. With my converted trunnion 205x60, there is around 5 mm clearance.
 
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magic82

Member
Nov 18, 2020
13
2
italy
Hello guys, I'm a new member and I have a question for you. I have a Trek Rail 9 alloy 2020 size L and I want to change the rear shock. To do this I see that is necessary the adapter to mount a rear shock with standard mount. Now my original rear shock have trunnion mount.
Could you tell me which adapter I need to mount an Ohlins rear shox with standard mount please? I have also difficult to find a rear shock with these dimension 230x57,5, I see somebody use 230x60, which problems can I found? if there are problems the warranty is valid?
 

Slapbassmunky

Active member
Aug 1, 2020
284
293
Isle of wight
MRP Hazzard, 230x60, progressive spring. Was going to go with the DVO though i was told they're B/O until October. So far so good, shock feels great.
How are you getting on with the shock so far, any issues to report? According to the MRP website the hazzard uses bigger diameter shock hardware, were there any issues mounting it up with the standard trek hardware?
 

AME

Member
Mar 28, 2019
38
13
Europe
Hi. Read theough the thread but maybe i misses it. Anyone ries the Dvo Topaz on a Rail 5/7 large frame?

thank you
 

Bike Gorilla

Member
Jul 2, 2020
49
14
Linslade
Hi, I have the new 2021 RockShox Super Deluxe Ultimate RT3, DebonAir spring, Thru Shaft 3-position damper, 230x57.5 mm for sale. This has come off my Trek Rail 9 as I wanted to run a coil. Only has 15 hours on it.
Message me if you're interested.
 

Doug Stampfer

Well-known member
Jul 7, 2018
737
756
NZ
Is the 230x 57.5 a rare size? I'm looking in the second hand sites locally for a X2 or RS super deluxe or coil & it seems there's everything but that size. Or is it a very common size & they get snapped up as soon as they come on the market???
 

zaykay

Member
Dec 3, 2019
93
79
Finland
Is the 230x 57.5 a rare size? I'm looking in the second hand sites locally for a X2 or RS super deluxe or coil & it seems there's everything but that size. Or is it a very common size & they get snapped up as soon as they come on the market???
Fox shocks are all the same 230x57,5-65, their stroke is limited by internal spacers which you can buy from Fox. Rail linkage works perfect also with 230x60 shock without any modifications. RS uses different piston rod/lower eyelet for different stroke lengths. They can be also swapped. Both shock travel change requires full rebuild/bleed.
 
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gfunkmc

Member
Jan 9, 2019
79
62
wales
Fox shocks are all the same 230x57,5-65, their stroke is limited by internal spacers which you can buy from Fox. Rail linkage works perfect also with 230x60 shock without any modifications. RS uses different piston rod/lower eyelet which can be also changed. Both shock travel change requires full rebuild/bleed.

Also the rockshox air can will foul on the frame
 

Hob Nob

Active member
Jun 4, 2020
152
149
UK
You can limit travel fair more easily than a full rebuild - just do what Ohlins/PUSH/Ext do & put a plastic travel spacer under the bump stop.

You can buy nylon washers with the ride ID/OD on eBay/Amazon in various thicknesses - just pick what you want to run whatever travel you like.

FWIW I run a Push shock on mine. A 65mm stroke has clearance & takes it to ~170mm rear travel.
 

Doomanic

🛠️Wrecker🛠️
Patreon
Founding Member
Jan 21, 2018
8,735
10,399
UK
No. Spacers under the bump stop only work on coil shocks.
 

Rob Rides EMTB

Administrator
Staff member
Subscriber
Jan 14, 2018
6,260
13,700
Surrey, UK
Hi, I have the new 2021 RockShox Super Deluxe Ultimate RT3, DebonAir spring, Thru Shaft 3-position damper, 230x57.5 mm for sale. This has come off my Trek Rail 9 as I wanted to run a coil. Only has 15 hours on it.
Message me if you're interested.
Still for sale?
 

JMD

Member
Jul 26, 2019
96
65
Staffordshire
Still for sale?
I have got this shock on my 2021 bike it's the best air shock I've used.
But the shock I really want & the one you want is the shock fitted to the 2021 Slash (I believe it will fit)
With your 170mm Zeb?

Edit. I'm talking about the top end Slash with the same shock as the Rail 9 & 9.8 but with a 62.5mm stroke.
 
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Rob Rides EMTB

Administrator
Staff member
Subscriber
Jan 14, 2018
6,260
13,700
Surrey, UK
I have got this shock on my 2021 bike it's the best air shock I've used.
But the shock I really want & the one you want is the shock fitted to the 2021 Slash (I believe it will fit)
With your 170mm Zeb?

Edit. I'm talking about the top end Slash with the same shock as the Rail 9 & 9.8 but with a 62.5mm stroke.
Isn’t it the same shock just with more stroke?
 

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