Ultra light weight spool for Shimano16Aldebaran BFS XG (magnet brake model) for the ultimate finesse performance.

16ALD15R spool, 1.5mm deep, 4.9g, (genuine spool 7.7g)
Line capacitiy 0.205mm-35m, 0.165mm-45m (Genuine spool 0.235mm-45m)

8pcs of additional neodium magnets, sold separately, are required to use this spool. The shallow spool is far from brake system, and you need to add these 1mm thick magnets to compensate the decreased brake force.