Table to help find spare end-caps and freehubs for JRA hubs.
Newer hubs have the hub code etched on them, older hubs will not. If you have trouble identifying your hub and finding the right parts please contact us.
| group | hub | code | axle compatibility | freehub compatibility | notes |
| road | light front | jra1011 | please ask | – | |
| road | light rear | jra1021 | please ask | R-type standard or light | discontinued 2023 |
| road | standard front | jra1031 | please ask | – | |
| road | standard rear | jra1041 | rear road hub QR end caps | R-type standard or light | |
| road | Straight pull front | jra1051 | please ask | – | |
| road | straight pull rear 2:1 | jra1061 | please ask | R-type | |
| 6-bolt J-bend | standard front 3 in 1 | jra2011 | axle end caps for 6-bolt front hubs | – | |
| 6-bolt J-bend | standard front QR 12 | jra2012 | axle end caps for front disk light hubs | – | |
| 6-bolt J-bend | standard rear 4 in 1 | jra2021 | axle and end caps for rear 6-bolt standard spacing hubs | M-type | |
| 6-bolt J-bend | boost front | jra2031 | axle end caps for 6-bolt Boost 110mm front hubs | – | |
| 6-bolt J-bend | boost rear | jra2041 | axle and end caps for rear 6-bolt Boost 148mm hubs | M-type | |
| 6-bolt J-bend | 157 rear | jra2051 | please ask | M-type | |
| 6-bolt J-bend | lefty | jra2061 | – | – | |
| 6-bolt J-bend | lefty max | jra2071 | – | – | |
| 6-bolt J-bend | old 5-in-1 front | jra2081 | axle end caps for 6-bolt large diameter front hubs | – | |
| 6-bolt straight-pull | standard SP front | jra3011 | axle end caps for 6-bolt front hubs | – | |
| 6-bolt straight-pull | standard SP rear | jra3021 | axle end caps for rear 6-bolt straight-pull hubs | M-type | |
| 6-bolt straight-pull | boost SP front | jra3031 | axle end caps for 6-bolt Boost 110mm front hubs | – | discontinued 2022 |
| 6-bolt straight-pull | boost SP rear | jra3041 | axle and end caps for rear 6-bolt Boost 148mm hubs | M-type | discontinued 2022 |
| centre-lock J-bend | standard front | jra4011 | axle end caps for centre-lock J-bend front hubs | – | |
| centre-lock J-bend | standard rear | jra4021 | center-lock standard hubs rear axle & end-caps | R-type | discontinued 2022 |
| centre-lock J-bend | standard rear – gravel | jra4022 | center-lock standard hubs rear axle & end-caps | M-type | new in 2023 |
| centre-lock J-bend | boost front | jra4031 | axle end caps for 6-bolt Boost 110mm front hubs | M-type | |
| centre-lock J-bend | boost rear | jra4041 | axle & end caps for rear centre-lock Boost 148mm hubs | M-type | |
| centre-lock straight-pull | standard front | jra5011 | axle end caps for front straight-pull centre-lock hubs | – | |
| centre-lock straight-pull | standard rear | jra5021 | center-lock standard hubs rear axle & end-caps | R-type | discontinued 2022 |
| centre-lock straight-pull | standard rear – gravel | jra5022 | center-lock standard hubs rear axle & end-caps | M-type | new in 2023 |
| centre-lock straight-pull | boost front | jra5031 | axle end caps for 6-bolt Boost 110mm front hubs | – | |
| centre-lock straight-pull | boost rear | jra5041 | axle & end caps for rear centre-lock Boost 148mm hubs | M-type | |
| fat bike | 135 front | jra6011 | |||
| fat bike | 150 front | jra6011 | |||
| fat bike | 170 rear | jra6021 | axle & end caps for rear 170mm fat hubs | ||
| fat bike | 190 rear | jra6021 | axle & end caps for rear 190mm fat hubs | M-type | |
| track | front | jra7011 | please ask | ||
| track | rear | jra7021 | please ask | M-type |