PF4630 Ceramic BB
Bearing Cups are made of 6061 T6 Anodized Aluminum Alloy
Shell Width: [road] 68 mm ~ [mountain] 73 mm with BB30 Crank
Compatible Frame 68mm/73mm/79mm/86.5mm/92mm x 46mm (Inner diameter or Cup diameter)
Ceramics Bearing
Accessory: 5pcs of Spacers
Enclosure: Two Seals
Enclosure Material: Rubber Seal