Specifically designed for PF30 frames using a 30 mm crank spindle, this Wheels Manufacturing PF30 Outboard Thread Together bottom bracket has an angular bearing on the drive side, radial on the other.
Features
Compatible with PF30 and Specialized Carbon OSBB bottom bracket/frame interfaces and 30 mm diameter crank spindles
Specialized Carbon OSBB frames with a 61 mm shell width will need additional 3.5 mm cup spacers (not included)
Fits frames with 61 to 83 mm shell widths; 46 mm shell internal diameter
Spindle length must be 103 mm or longer when used in a 68 mm wide shell, 109 mm or longer when used in a 73 mm wide shell
Machined aluminum cups with replaceable bearings offer increased durability and longer bearing life
Chromium-steel ball bearings provide smooth, long-lasting operation; Enduro Angular Contact sealed grade 5 on the drive side and ABEC-3 sealed grade 10 on the non-drive side
52100 high-carbon chromium alloy races are extremely tough and durable for a long life