52184
GTRider
Looks like BA12 is the part and you apparently need the One Universal Cone bored for a 1/2" shaft. I don't see a phone number for them on their site, just an email addy.
Thanks
It’s only the rear, with its large center hole, that poses problems for other marque shops. The Universal Cone is used in conjunction with the BA12 when balancing a front wheel, but most shops already have some sort of balancer that uses dual tapered cones to support the wheel. If you carry the BA12 for the rear you’re good to go.
Best,
DeVern