PHILWOOD OUTBOARD BB for SHIMANO

Phil's finest quality OBB.

Introducing the Phil Wood Outboard Bottom Bracket. Crafted from the highest quality American-made 7075 aluminum alloy, it boasts lightweight construction and superior rigidity and durability. Recognizing that this part, alongside the hub, experiences the highest loads and continuous rotation on a bicycle, it's engineered with the utmost peace of mind in mind, ensuring durability without maintenance, spinning cleanly and smoothly.
The Outboard Bottom Bracket (OBB) is compatible with popular through-axle type cranksets such as SHIMANO HOLLOWTECH2, which are currently mainstream.

Featuring Phil Wood's waterproof grease, fully filled to ensure maximum durability, and equipped with standard bearings for longevity.