Bike BB Axle Installation Tool Bicycle Bowl Set/Center Axle Bearing Pressing Tool Aluminum alloy material/CNC turning anodizing/non damaging body Bicycle Bowl Set Press in Tool Two sets of planar thrust bearings The bearings are equipped with lubricating balls, whichare not easy to press and tilt. Two sets of bearingsare used, which saves labor and operation FLY_H Bicycle Bottom Bracket Bearing Installation and Disassembly Tool-Aluminum alloy upper/lower pressure block The upper/lower pressing blocks are made of newaluminum alloy materials,and theCNCprecision turning surface is anodized with high glossiness，When assembling the inner hole size of the front corresponding to the frame head tube or bowl groupit plays a guiding and positioning role, which is not easy to be pressed or tilted, and protects theframe and bowl group Bicycle Bearing Tools The reverse side is used for assembling thepressed in center shaft, with a sinking tableand forced air design to avoid damagingthe bearings during installation