Abec Flywheel gear on Shapeways

A few days ago I signed up for notifications on https://www.reddit.com/r/boostedboards/comments/6eisqo/abec_11_flywheel_wheel_mounts_for_boosted_v2/ and received an email this morning with the storefront on Shapeways selling the gear:

https://www.shapeways.com/product/HNF9LEHGW/boosted-board-v2-abec-11-flywheel-transmission

I didn't realize at first that this for a single wheel, you need to get 2 for a Boosted Dual. $138 + shipping for a set is a bit over my limit, especially given that the print cost is probably around $50 for the set.