Associated FT Aluminum Top Shaft V2 ASC91606

For the B5M 3-gear transmission. Requires 5x10x4mm bearings, ASC91560. Also for Rear Motor B5s with transmission case ASC91430: can use either ASC25237 Bearings, 5x10x4mm, or ASC91560 FT Bearings, 5x10x4mm.