Designed for use with 30 mm crank spindles, the Wheels Manufacturing T47 Outboard Threaded bottom bracket is a great upgrade if you're looking for long-lasting, smooth operation.
Features
Compatible with T47 bottom bracket/frame interface and 30 mm crank spindles
Fits frames with 68 to 100 mm bottom bracket shell widths; 47 x 1.0 mm threaded bottom bracket internal diameter
Machined aluminum cups with replaceable bearings offer increased durability and bearing life
Enduro Angular Contact sealed, grade 5 chromium-steel ball bearings provide long-lasting, smooth operating and are suitable for carrying combined axial and radial loads
52100 high-carbon chromium alloy races are extremely tough and durable for a long life
Also includes two 0.5 mm crank spindle spacers, two 1.0 mm crank spindle spacers and two Enduro silicon dust seals
T47 bottom bracket cups are similar to standard BSA threaded cups in that the drive side cup is left-hand threaded and the non-drive side cup is right-hand threaded
Use a quality grease when installing in steel or aluminum bottom bracket shells, and a compatible anti-seize compound in titanium shells (grease and anti-seize not included)