Upgrade your stock bottom bracket with the T47 - XD-15 PRO - 30mm by Enduro Bearings. Designed to spin more efficiently and last longer, this bottom bracket is a great replacement option. The XD-15 Pro bearing features the same XD-15 steel as the Xd-15 Corsa bearing, but with a different design. These bearings are 15º angular contact sealed cartridge bearings with deep-groove raceways for improved longevity and larger ball size. They also use Grade 3 Silicon Nitride ceramic balls and LLB Nitrile seals on both sides for maximum performance. Available in 24MM and 30MM ID, the XD-15 Pro is compatible with most of our bottom bracket solutions. Plus, it is covered by our Limited Lifetime Warranty. Key features of the T47 - XD-15 PRO - 30mm include:- Suitable for T47 frames with a 46mm threaded shell- Fits chainsets with a 30mm axle- Lightweight, machined aluminium cups- XD-15 Pro, 15 degree bearings- Weighs just 144gUpgrade your bottom bracket with the T47 - XD-15 PRO - 30mm by Enduro Bearings for improved performance and durability. Shop now!