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...
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...