These freehubs fit the following wheels and hubs.
2018 - 2019 - 2020 -2021 Reynolds TR and TRs MTB. 2018 - 2019 - 2020 -2021 Reynolds AR and ARs Road. 2018 - 2019 - 2020 -2021 Reynolds AR and ARx Gravel. 2017 - 2019 Reynolds Assault and Assault Disc. 2017 - 2019 Reynolds Attack and Attack Disc. 2017 - 2019 Reynolds Strike and Strike Disc.