FT Aluminum Top Shaft V2
For the B5M 3-gear transmission.
Requires 5 x 10 x 4mm bearings, #91560.
Also for Rear Motor B5s with transmission case #91430: can use either #25237 Bearings, 5x10x4mm, or #91560 FT Bearings, 5x10x4mm.
Factory Part No. 91606
