Rail (625Wh) 203mm rotors installed on 2023 Zeb Ultimate

vertrkr

Member
Nov 19, 2021
30
58
California
I have a '21 Rail 5 that came with 203mm rotors with like a 20mm adapter on the Gold 35 shocks.

I installed a '23 Zeb Ultimate which has a native 200mm post mount. Finding spacers/adapters for a 200->203mm was very difficult on the internet.

I ended up going to the hardware store with calipers to find a 1.5mm thick M6 washer. I used a 25mm M6 socket head bolt with 1 washer as the spacer and 2 washers under the bolt head to get the bolt length correct for my oem Tektro brakes. That left 12mm of thread to go into the post mount. The RockShox manual says 9-13mm of thread insertion.

Just thought I'd post in case it might help someone else. I know it's 3 years old news but damn if there isn't much to be found on the internet for this.

IMG_1186 Large.jpeg
 
Last edited:

Darren66

Member
Mar 7, 2020
100
60
uk
I have a '21 Rail 5 that came with 203mm rotors with like a 20mm adapter on the Gold 35 shocks.

I installed a '23 Zeb Ultimate which has a native 200mm post mount. Finding spacers/adapters for a 200->203mm was very difficult on the internet.

I ended up going to the hardware store with calipers to find a 1.5mm thick M6 washer. I used a 25mm M6 socket head bolt with 1 washer as the spacer and 2 washers under the bolt head to get the bolt length correct for my oem Tektro brakes. That left 12mm of thread to go into the post mount. The RockShox manual says 9-13mm of thread insertion.

Just thought I'd post in case it might help someone else. I know it's 3 years old news but damn if there isn't much to be found on the internet for this.

View attachment 106336
Shimano sells a 200-203mm adapter, sold everywhere.
ftp_f_freewheel_imagesmadisonfwaccessoriessmmaf203ppl2a.jpg
 

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