* 1.1/8â for BMX / Freeride caged ball bearings
* Forged chromoly lower cup
* 12mm deep cup
* Super oversized Ã1/4â Ã 15B lower ball bearings
* Upper Ã5/32â Ã 22 caged ball bearings
* Chromoly crown race
* Gyro compatible
* Stack height 16.4 + 13.6 = 30mm
**Spares:**
* Upper bearing: 160-1657
* Lower Bearing: 160-6725
* Crown Race: 160-5501