Bottom Brackets

Forged and CNC machined AL6061 cups - Double sealed replaceable bearings - Fits 68mm and 73mm shell widths - 1.37" x 24T English thread - Alloy spacers included for chainline adjustment - Anodized and laser etched finish

Origin8's Revolvr PF30 Outboard Thread-Together Bottom Bracket provides a secure and stable shell interface for smoother operation and extended bearing life. Hybrid AL6061/Nylon fiber cups provide a superior fit and noise-free operation. Low-friction dual seals protect the bearings from harmful contaminants, while sealed premium bearings are both serviceable and replaceable. - Designed for installing Shimano HollowTechII 24mm or SRAM GXP 22/24mm spindle cranks into PF30 frames without the need for adapters - Shell: 68-73mm x 46mm - Interface: PF30 - Cup Material: AL6061/Nylon Fiber - Weight: 138g

Pedal smoothly and steadily with Origin-8's Torqlite Square-Taper Bottom Bracket. The forged aluminum body and cups are light and tough, the CNC'd hollow-chromoly spindle is stiff and shaves more grams, and the sealed bearings are super smooth and durable.