What's in the box:

Lixada BB30 Bottom Bracket Road Bike 24MM Bearing Bottom Bracket 68-73mm Bike Bottom Bracket for SHIMANO SRAM GXP Prowheel

Feature:
For 68-73mm road bike bottom bracket frame.
Compatible with 24*24mm Shimano or 24*22mm SRAM GXP with a conversion ring.
Special threaded interlocking bottom bracket design to reduce noise and for easy installation and maintenance.
Double O ring keeps water or dust out of the frame and works as the buffer between the frame and BB.
Aluminum alloy construction for long service time.

Specification:
Material: Aluminum alloy
Model: BB30 / PF30 (optional)
Inner dia.: 24*24mm / 24*22mm(with a conversion ring for 22mm crank axle)
Outer dia.: 42mm
BB frame length: 68-73mm
Compatible: Shimano / SRAM GXP / Prowheel
Weight of BB: 113g / 3.9oz
Package weight: 128g / 4.5oz

Package list
1 * Bottom Bracket
1 * Conversion Ring