170mm fork on a Rail

Beamishblue

Member
Sep 20, 2020
8
5
Scotland
I see that the 2021 9.9 has a 170mm Zeb fitted as stock. I have a 2021 9.8 and I'm thinking of fitting a 170mm air spring.

Is anyone running 170mm forks on a Rail? Is it a big improvement?
 

Jamescoughlan

Active member
Subscriber
Jul 13, 2020
93
91
Aberporth
I put a 170mm Smashpot coil conversion in my Lyrik and now, combined with 160mm cranks, I have less pedal strikes!

Because I've gone coil as well it's hard to determine if 170mm is better or is it just the amazing coil effect!?
 

bluewater87

Active member
Jul 12, 2020
135
55
Canada
I’m installing a zeb 170 44mm as soon as I get my rail 9.7.
will be selling the yari.
0E0A0EA4-5F4C-4ADE-864A-E14FB1534B48.jpeg
 

KnollyBro

E*POWAH Elite
Dec 3, 2020
855
2,075
Vancouver
We run the RXF 36 170mm along with the Ohlins coil shock on our Levo SLs. It's a nicely balanced bike that can ride down any trail I have ever put it on. I like the Ohlins RXF better than my FOX 38 Factory if that means anything.


20220218_202816.jpg
 

fasterjason

Member
Dec 17, 2022
74
36
USA
If you are using a rock shox fork on your Rail, I highly recommend the 170mm air shaft (cheap upgrade). The Debon air design is crap (sram). The updated design is a little better at maintaining ride height but still not great. I switched to a Fox 38 170mm several years ago. My new Rail came with a Zeb 160, but I bought another 38 to replace it before even riding the Zeb.
 

fasterjason

Member
Dec 17, 2022
74
36
USA
Did it make you faster Jason?

(Sorry, someone had to do it ;))
Honestly my lap times are not any faster with the 38 vs yari with 170mm air shaft. The 38 feels and works much better though, especially banging rock gardens in the mountains. I imagine the ZEB also works well.
 

Johan Dagertun

New Member
Feb 24, 2023
10
3
Sweden
Have had 170 mm spring on my 9.7 with Yari for a year now and I like it better. Can highly recommend going for the 10 mm increase at least on the previous geometry Rails
 

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