T47 - STAINLESS A/C - SRAM GXP - Enduro BearingsT47 bottom brackets are available with the best Enduro XD-15 ceramic bearings, or with 440C stainless bearings. Both feature an angular contact design to handle pedaling forces and extend bearing life.The cups thread into the frame, ensuring a perfect fit and preventing unwanted movement over time. No special presses or retaining compounds are needed.The T47 standard accommodates larger diameter cups, which means larger bearings. This makes it ideal for super stiff, 30mm cranksets.All bottom brackets are proudly made in the USA at our machining facility in Gilroy, California.For Cross, Mountain, or rainy muddy environments, 440C stainless steel is a great choice. It reduces the need for maintenance and withstands stormy rides. This material does not rust or corrode, and our 4mm diameter ball has +50% mass compared to the competition, making it more durable.Features:- Fits T47 frames - 46mm threaded shell, SRAM GXP axle- Lightweight, machined aluminium cups- Stainless Steel A/C Bearings- Weight - 144g