Hope jockey wheels with SRAM X9 RD

I have just bought a pair of Hope jockey wheels to replace the worn, original jockey wheels in my SRAM X9 RD (2011 model with single hole jockey wheels).
The Hope top wheel come with a brass bush but the SRAM bolt will not fit through this. Is it ok to fit the jockey wheel without this bush?
The Hope top wheel come with a brass bush but the SRAM bolt will not fit through this. Is it ok to fit the jockey wheel without this bush?
“Life has been unfaithful
And it all promised so so much”
Giant Trance 2 27.5 2016 ¦ Sonder Broken Road 2021¦ Giant Revolt Advanced 2 2019 ¦ Giant Toughtroad SLR 1 2019 ¦ Giant Anthem 3 2015 ¦ Specialized Myka Comp FSR 2009
And it all promised so so much”
Giant Trance 2 27.5 2016 ¦ Sonder Broken Road 2021¦ Giant Revolt Advanced 2 2019 ¦ Giant Toughtroad SLR 1 2019 ¦ Giant Anthem 3 2015 ¦ Specialized Myka Comp FSR 2009
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And it all promised so so much”
Giant Trance 2 27.5 2016 ¦ Sonder Broken Road 2021¦ Giant Revolt Advanced 2 2019 ¦ Giant Toughtroad SLR 1 2019 ¦ Giant Anthem 3 2015 ¦ Specialized Myka Comp FSR 2009
I would except they are closed on Sundays and Bank Holidays.
Thanks, Russyh. I have fitted them now so I'll keep an eye on the top one.
edit - Just found this exploded diagram on the Hope website. It states that the bush is optional.
And it all promised so so much”
Giant Trance 2 27.5 2016 ¦ Sonder Broken Road 2021¦ Giant Revolt Advanced 2 2019 ¦ Giant Toughtroad SLR 1 2019 ¦ Giant Anthem 3 2015 ¦ Specialized Myka Comp FSR 2009